{"id":23338,"date":"2026-03-31T23:32:53","date_gmt":"2026-03-31T15:32:53","guid":{"rendered":"https:\/\/viox.com\/?p=23338"},"modified":"2026-03-31T23:32:56","modified_gmt":"2026-03-31T15:32:56","slug":"us-low-voltage-circuit-breaker-standards-explained-ul-489-ul-1066-nema-ab-and-nec","status":"publish","type":"post","link":"https:\/\/test.viox.com\/km\/us-low-voltage-circuit-breaker-standards-explained-ul-489-ul-1066-nema-ab-and-nec\/","title":{"rendered":"\u1780\u17b6\u179a\u1796\u1793\u17d2\u1799\u179b\u17cb\u17a2\u17c6\u1796\u17b8\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a\u17a7\u1794\u1780\u179a\u178e\u17cd\u1780\u17b6\u178f\u17cb\u179f\u17c0\u1782\u17d2\u179c\u17b8\u179c\u17c9\u17bb\u179b\u1791\u17b6\u1794\u179a\u1794\u179f\u17cb\u179f\u17a0\u179a\u178a\u17d2\u178b\u17a2\u17b6\u1798\u17c1\u179a\u17b7\u1780\u17d6 ANSI, IEEE, NEMA, UL, NEC, UL 489, UL 1066, NEMA AB, \u1793\u17b7\u1784 IEEE C37"},"content":{"rendered":"<div class=\"product-intro\">\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" src=\"https:\/\/img.viox.com\/Engineer-reviewing-low-voltage-circuit-breaker-standards-in-front-of-switchgear-and-distribution-equipment.webp\" alt=\"Engineer reviewing low-voltage circuit breaker standards in front of switchgear and distribution equipment\" \/><figcaption style=\"font-style: italic; margin-top: 10px; color: #555;\">\u179c\u17b7\u179f\u17d2\u179c\u1780\u179a\u1780\u17c6\u1796\u17bb\u1784\u1796\u17b7\u1793\u17b7\u178f\u17d2\u1799\u1798\u17be\u179b\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a \u1793\u17b7\u1784\u17af\u1780\u179f\u17b6\u179a\u17a7\u1794\u1780\u179a\u178e\u17cd\u1795\u17d2\u178f\u17b6\u1785\u17cb\u179f\u17c0\u1782\u17d2\u179c\u17b8\u179c\u17c9\u17bb\u179b\u1791\u17b6\u1794\u179a\u1794\u179f\u17cb\u179f\u17a0\u179a\u178a\u17d2\u178b\u17a2\u17b6\u1798\u17c1\u179a\u17b7\u1780\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u179a\u17c4\u1784\u1785\u1780\u17d2\u179a\u1794\u17d2\u178f\u17bc\u179a\u17a7\u1794\u1780\u179a\u178e\u17cd\u17d4.<\/figcaption><\/figure>\n<p>\u1794\u17d2\u179a\u179f\u17b7\u1793\u1794\u17be\u17a2\u17d2\u1793\u1780\u1792\u17d2\u179c\u17be\u1780\u17b6\u179a\u1787\u17b6\u1798\u17bd\u1799\u17a7\u1794\u1780\u179a\u178e\u17cd\u1795\u17d2\u178f\u17b6\u1785\u17cb\u179f\u17c0\u1782\u17d2\u179c\u17b8\u179c\u17c9\u17bb\u179b\u1791\u17b6\u1794\u1793\u17c5\u179f\u17a0\u179a\u178a\u17d2\u178b\u17a2\u17b6\u1798\u17c1\u179a\u17b7\u1780 \u1795\u17d2\u1793\u17c2\u1780\u178a\u17c2\u179b\u1796\u17b7\u1794\u17b6\u1780\u1794\u17c6\u1795\u17bb\u178f\u1782\u17ba\u1798\u17b7\u1793\u1798\u17c2\u1793\u1787\u17b6\u17a7\u1794\u1780\u179a\u178e\u17cd\u1795\u17d2\u178f\u17b6\u1785\u17cb\u179f\u17c0\u1782\u17d2\u179c\u17b8\u178a\u17c4\u1799\u1781\u17d2\u179b\u17bd\u1793\u17af\u1784\u1793\u17c4\u17c7\u1791\u17c1\u17d4 \u179c\u17b6\u1782\u17ba\u1780\u17b6\u179a\u179a\u1780\u17b1\u17d2\u1799\u1783\u17be\u1789\u1790\u17b6\u17a2\u17d2\u1793\u1780\u178e\u17b6\u1792\u17d2\u179c\u17be\u17a2\u17d2\u179c\u17b8\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a\u17d4.<\/p>\n<p>\u1798\u1793\u17bb\u179f\u17d2\u179f\u1783\u17be\u1789\u1788\u17d2\u1798\u17c4\u17c7\u178a\u17bc\u1785\u1787\u17b6\u17d6<\/p>\n<ul>\n<li><strong>ANSI<\/strong><\/li>\n<li><strong>\u17a2\u17ca\u17b8\u17a2\u17ca\u17b8<\/strong><\/li>\n<li><strong>NEMA<\/strong><\/li>\n<li><strong>UL<\/strong><\/li>\n<li><strong>NFPA<\/strong><\/li>\n<li><strong>UL 489<\/strong><\/li>\n<li><strong>UL 1066<\/strong><\/li>\n<li><strong>NEMA AB<\/strong><\/li>\n<li><strong>IEEE C37<\/strong><\/li>\n<li><strong>\u1782.\u1787.\u1794<\/strong><\/li>\n<\/ul>\n<p>\u17a0\u17be\u1799\u179f\u1793\u17d2\u1798\u178f\u1790\u17b6\u1796\u17bd\u1780\u1782\u17c1\u1791\u17b6\u17c6\u1784\u17a2\u179f\u17cb\u1792\u17d2\u179c\u17be\u1780\u17b6\u179a\u1784\u17b6\u179a\u178a\u17bc\u1785\u1782\u17d2\u1793\u17b6\u17d4 \u1796\u17bd\u1780\u1782\u17c1\u1798\u17b7\u1793\u1794\u17b6\u1793\u1792\u17d2\u179c\u17be\u1791\u17c1\u17d4 \u1781\u17d2\u179b\u17c7\u1787\u17b6\u17a2\u17d2\u1793\u1780\u179f\u1798\u17d2\u179a\u1794\u179f\u1798\u17d2\u179a\u17bd\u179b\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a \u1781\u17d2\u179b\u17c7\u1787\u17b6\u17a2\u17d2\u1793\u1780\u1794\u1784\u17d2\u1780\u17be\u178f\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a \u1781\u17d2\u179b\u17c7\u1787\u17b6\u17a2\u1784\u17d2\u1782\u1780\u17b6\u179a\u1792\u17d2\u179c\u17be\u178f\u17c1\u179f\u17d2\u178f \u1793\u17b7\u1784\u179c\u17b7\u1789\u17d2\u1789\u17b6\u1794\u1793\u1794\u17d0\u178f\u17d2\u179a \u17a0\u17be\u1799\u1798\u17bd\u1799\u1780\u17d2\u1793\u17bb\u1784\u1785\u17c6\u178e\u17c4\u1798\u1793\u17c4\u17c7\u1782\u17ba\u1787\u17b6\u1780\u17d2\u179a\u1798\u178a\u17c6\u17a1\u17be\u1784 \u1787\u17b6\u1787\u17b6\u1784\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a\u1795\u179b\u17b7\u178f\u1795\u179b\u17d4.<\/p>\n<p>\u179c\u17b7\u1792\u17b8\u179f\u17b6\u1798\u1789\u17d2\u1789\u1794\u17c6\u1795\u17bb\u178f\u178a\u17be\u1798\u17d2\u1794\u17b8\u1799\u179b\u17cb\u1796\u17b8\u1796\u17bd\u1780\u1782\u17c1\u1782\u17ba\u17d6<\/p>\n<ul>\n<li><strong>ANSI<\/strong> \u1782\u17ba\u1787\u17b6\u179f\u17d2\u179a\u1791\u17b6\u1794\u17cb\u179f\u1798\u17d2\u179a\u1794\u179f\u1798\u17d2\u179a\u17bd\u179b \u1793\u17b7\u1784\u17a2\u1793\u17bb\u1798\u17d0\u178f\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a\u1787\u17b6\u178f\u17b7\u17a2\u17b6\u1798\u17c1\u179a\u17b7\u1780 \u1798\u17b7\u1793\u1798\u17c2\u1793\u1787\u17b6\u17a2\u1784\u17d2\u1782\u1780\u17b6\u179a\u178a\u17c2\u179b\u179f\u179a\u179f\u17c1\u179a\u179a\u17b6\u179b\u17cb\u1785\u17d2\u1794\u17b6\u1794\u17cb\u1794\u1785\u17d2\u1785\u17c1\u1780\u1791\u17c1\u179f\u17a7\u1794\u1780\u179a\u178e\u17cd\u1795\u17d2\u178f\u17b6\u1785\u17cb\u179f\u17c0\u1782\u17d2\u179c\u17b8\u178a\u17c4\u1799\u1781\u17d2\u179b\u17bd\u1793\u17af\u1784\u1793\u17c4\u17c7\u1791\u17c1\u17d4.<\/li>\n<li><strong>\u17a2\u17ca\u17b8\u17a2\u17ca\u17b8<\/strong> \u1793\u17b7\u1784 <strong>NEMA<\/strong> \u1782\u17ba\u1787\u17b6\u1795\u17d2\u179b\u17bc\u179c\u17a2\u1797\u17b7\u179c\u178c\u17d2\u178d\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a\u17d4.<\/li>\n<li><strong>UL Standards &amp; Engagement<\/strong> \u17a2\u1797\u17b7\u179c\u178c\u17d2\u178d\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a \u1781\u178e\u17c8\u1796\u17c1\u179b\u178a\u17c2\u179b <strong>UL Solutions<\/strong> \u178f\u17d2\u179a\u17bc\u179c\u1794\u17b6\u1793\u1795\u17d2\u179f\u17b6\u179a\u1797\u17d2\u1787\u17b6\u1794\u17cb\u1787\u17b6\u1798\u17bd\u1799\u1793\u17b9\u1784\u179f\u1780\u1798\u17d2\u1798\u1797\u17b6\u1796\u1792\u17d2\u179c\u17be\u178f\u17c1\u179f\u17d2\u178f \u1780\u17b6\u179a\u179c\u17b6\u1799\u178f\u1798\u17d2\u179b\u17c3 \u1793\u17b7\u1784\u179c\u17b7\u1789\u17d2\u1789\u17b6\u1794\u1793\u1794\u17d0\u178f\u17d2\u179a\u17d4.<\/li>\n<li><strong>NFPA<\/strong> \u1794\u17c4\u17c7\u1796\u17bb\u1798\u17d2\u1796\u1795\u17d2\u179f\u17b6\u1799 <strong>\u1782.\u1787.\u1794<\/strong>, \u1793\u17b7\u1784 <strong>\u1782.\u1787.\u1794<\/strong> \u1782\u17ba\u1787\u17b6\u1780\u17d2\u179a\u1798\u178a\u17c6\u17a1\u17be\u1784 \u1798\u17b7\u1793\u1798\u17c2\u1793\u1787\u17b6\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a\u1794\u1789\u17d2\u1787\u17b8\u1795\u179b\u17b7\u178f\u1795\u179b\u1791\u17c1\u17d4.<\/li>\n<li><strong>UL 489<\/strong> \u1793\u17b7\u1784 <strong>NEMA AB 1<\/strong> \u17a2\u1784\u17d2\u1782\u17bb\u1799\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1796\u17b7\u1797\u1796\u17a7\u1794\u1780\u179a\u178e\u17cd\u1795\u17d2\u178f\u17b6\u1785\u17cb\u179f\u17c0\u1782\u17d2\u179c\u17b8\u1780\u179a\u178e\u17b8\u178a\u17c2\u179b\u1794\u17b6\u1793\u178a\u17c6\u17a1\u17be\u1784\u17d4.<\/li>\n<li><strong>UL 1066<\/strong> \u1793\u17b7\u1784\u179c\u17c9\u17bb\u179b\u1791\u17b6\u1794 <strong>IEEE \/ ANSI-NEMA C37<\/strong> \u1782\u17d2\u179a\u17bd\u179f\u17b6\u179a\u17a2\u1784\u17d2\u1782\u17bb\u1799\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1796\u17b7\u1797\u1796\u17a7\u1794\u1780\u179a\u178e\u17cd\u1795\u17d2\u178f\u17b6\u1785\u17cb\u179f\u17c0\u1782\u17d2\u179c\u17b8\u1790\u17b6\u1798\u1796\u179b\u179c\u17c9\u17bb\u179b\u1791\u17b6\u1794\u17d4.<\/li>\n<\/ul>\n<p>\u1793\u17c4\u17c7\u1782\u17ba\u1787\u17b6\u1780\u17d2\u179a\u1794\u1781\u17d0\u178e\u17d2\u178c\u179f\u17d2\u1793\u17bc\u179b\u17d4 \u1793\u17c5\u179f\u179b\u17cb\u1793\u17c3\u17a2\u178f\u17d2\u1790\u1794\u1791\u1793\u17c1\u17c7\u1796\u1793\u17d2\u1799\u179b\u17cb\u1796\u17b8\u17a2\u178f\u17d2\u1790\u1793\u17d0\u1799\u1793\u17c3\u1793\u17b8\u1798\u17bd\u1799\u17d7\u1780\u17d2\u1793\u17bb\u1784\u1780\u17b6\u179a\u17a2\u1793\u17bb\u179c\u178f\u17d2\u178f \u1793\u17b7\u1784\u179a\u1794\u17c0\u1794\u178a\u17c2\u179b\u1796\u17bd\u1780\u179c\u17b6\u179f\u1798\u1787\u17b6\u1798\u17bd\u1799\u1782\u17d2\u1793\u17b6\u1793\u17c5\u1796\u17c1\u179b\u1787\u17d2\u179a\u17be\u179f\u179a\u17be\u179f \u17ac\u1794\u1789\u17d2\u1787\u17b6\u1780\u17cb\u17a7\u1794\u1780\u179a\u178e\u17cd\u1795\u17d2\u178f\u17b6\u1785\u17cb\u179f\u17c0\u1782\u17d2\u179c\u17b8\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1791\u17b8\u1795\u17d2\u179f\u17b6\u179a\u179f\u17a0\u179a\u178a\u17d2\u178b\u17a2\u17b6\u1798\u17c1\u179a\u17b7\u1780\u17d4.<\/p>\n<h2>\u1782\u1793\u17d2\u179b\u17b9\u17c7\u200b\u1799\u1780<\/h2>\n<ul>\n<li><strong>ANSI<\/strong> \u17a2\u1793\u17bb\u1798\u17d0\u178f\u178a\u17c6\u178e\u17be\u179a\u1780\u17b6\u179a\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a\u1787\u17b6\u178f\u17b7\u17a2\u17b6\u1798\u17c1\u179a\u17b7\u1780; \u179c\u17b6\u1798\u17b7\u1793\u1798\u17c2\u1793\u1787\u17b6\u179a\u17bf\u1784\u178a\u17bc\u1785\u1782\u17d2\u1793\u17b6\u1791\u17c5\u1793\u17b9\u1784 IEEE, NEMA, UL \u17ac NEC \u1791\u17c1\u17d4.<\/li>\n<li><strong>UL 489<\/strong> \u1793\u17b7\u1784 <strong>UL 1066<\/strong> \u1798\u17b7\u1793\u1798\u17c2\u1793\u1787\u17b6\u179f\u17d2\u179b\u17b6\u1780\u179f\u1789\u17d2\u1789\u17b6\u1794\u17d2\u179a\u1780\u17bd\u178f\u1794\u17d2\u179a\u1787\u17c2\u1784\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1782\u17d2\u179a\u17bd\u179f\u17b6\u179a\u17a7\u1794\u1780\u179a\u178e\u17cd\u1795\u17d2\u178f\u17b6\u1785\u17cb\u179f\u17c0\u1782\u17d2\u179c\u17b8\u178a\u17bc\u1785\u1782\u17d2\u1793\u17b6\u1793\u17c4\u17c7\u1791\u17c1\u17d4.<\/li>\n<li><strong>UL 489 \/ NEMA AB<\/strong> \u1785\u1784\u17d2\u17a2\u17bb\u179b\u1791\u17c5\u1796\u17b7\u1797\u1796\u17a7\u1794\u1780\u179a\u178e\u17cd\u1795\u17d2\u178f\u17b6\u1785\u17cb\u179f\u17c0\u1782\u17d2\u179c\u17b8\u1780\u179a\u178e\u17b8\u178a\u17c2\u179b\u1794\u17b6\u1793\u178a\u17c6\u17a1\u17be\u1784\u17d4.<\/li>\n<li><strong>UL 1066 \/ IEEE C37<\/strong> \u1785\u1784\u17d2\u17a2\u17bb\u179b\u1791\u17c5\u1796\u17b7\u1797\u1796\u17a7\u1794\u1780\u179a\u178e\u17cd\u1795\u17d2\u178f\u17b6\u1785\u17cb\u179f\u17c0\u1782\u17d2\u179c\u17b8\u1790\u17b6\u1798\u1796\u179b\u179c\u17c9\u17bb\u179b\u1791\u17b6\u1794\u17d4.<\/li>\n<li><strong>NFPA 70 (\u1782.\u1787.\u1794)<\/strong> \u1782\u17d2\u179a\u1794\u17cb\u1782\u17d2\u179a\u1784\u1780\u17b6\u179a\u178a\u17c6\u17a1\u17be\u1784 \u1793\u17b7\u1784\u1780\u1798\u17d2\u1798\u179c\u17b7\u1792\u17b8 \u1781\u178e\u17c8\u1796\u17c1\u179b\u178a\u17c2\u179b\u17af\u1780\u179f\u17b6\u179a UL, NEMA \u1793\u17b7\u1784 IEEE \u1782\u17d2\u179a\u1794\u17cb\u1782\u17d2\u179a\u1784\u1794\u17d2\u179a\u1797\u17c1\u1791\u1795\u179b\u17b7\u178f\u1795\u179b \u1780\u17b6\u179a\u179a\u17c6\u1796\u17b9\u1784\u1791\u17bb\u1780\u1793\u17c3\u1780\u17b6\u179a\u179f\u17b6\u1784\u179f\u1784\u17cb \u1780\u17d2\u179a\u1794\u1781\u17d0\u178e\u17d2\u178c\u1792\u17d2\u179c\u17be\u178f\u17c1\u179f\u17d2\u178f \u17ac\u1780\u17b6\u179a\u178e\u17c2\u1793\u17b6\u17c6\u178a\u17c2\u179b\u1796\u17b6\u1780\u17cb\u1796\u17d0\u1793\u17d2\u1792\u17d4.<\/li>\n<li><strong>OSHA NRTL<\/strong> \u1782\u17ba\u1787\u17b6\u1780\u17d2\u179a\u1794\u1781\u17d0\u178e\u17d2\u178c\u1793\u17c3\u1780\u17b6\u179a\u1791\u1791\u17bd\u179b\u179f\u17d2\u1782\u17b6\u179b\u17cb\u1794\u1791\u1794\u17d2\u1794\u1789\u17d2\u1789\u178f\u17d2\u178f\u17b7\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1798\u1793\u17d2\u1791\u17b8\u179a\u1796\u17b7\u179f\u17c4\u1792\u1793\u17cd\u1792\u17d2\u179c\u17be\u178f\u17c1\u179f\u17d2\u178f \u1798\u17b7\u1793\u1798\u17c2\u1793\u1787\u17b6\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a\u17a7\u1794\u1780\u179a\u178e\u17cd\u1795\u17d2\u178f\u17b6\u1785\u17cb\u179f\u17c0\u1782\u17d2\u179c\u17b8\u1791\u17c1\u17d4.<\/li>\n<\/ul>\n<h2>\u178f\u17b6\u179a\u17b6\u1784\u1799\u17c4\u1784\u179a\u17a0\u17d0\u179f<\/h2>\n<table style=\"border-collapse: collapse; width: 100%; text-align: left;\" border=\"1\">\n<thead>\n<tr>\n<th style=\"padding: 8px;\">\u1788\u17d2\u1798\u17c4\u17c7<\/th>\n<th style=\"padding: 8px;\">\u17a2\u17d2\u179c\u17b8\u178a\u17c2\u179b\u179c\u17b6\u1782\u17ba\u1787\u17b6<\/th>\n<th style=\"padding: 8px;\">\u178f\u17bd\u1793\u17b6\u1791\u17b8\u1792\u1798\u17d2\u1798\u178f\u17b6\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u17a2\u17c1\u1780\u17bc\u17a1\u17bc\u179f\u17ca\u17b8\u17a7\u1794\u1780\u179a\u178e\u17cd\u1795\u17d2\u178f\u17b6\u1785\u17cb\u179f\u17c0\u1782\u17d2\u179c\u17b8<\/th>\n<th style=\"padding: 8px;\">\u17a2\u178f\u17d2\u1790\u1793\u17d0\u1799\u1787\u17b6\u1780\u17cb\u179f\u17d2\u178f\u17c2\u1784<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 8px;\"><strong>ANSI<\/strong><\/td>\n<td style=\"padding: 8px;\">\u179f\u17d2\u1790\u17b6\u1794\u17d0\u1793\u179f\u1798\u17d2\u179a\u1794\u179f\u1798\u17d2\u179a\u17bd\u179b \u1793\u17b7\u1784\u17a2\u1793\u17bb\u1798\u17d0\u178f\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a<\/td>\n<td style=\"padding: 8px;\">\u178f\u17d2\u179a\u17bd\u178f\u1796\u17b7\u1793\u17b7\u178f\u17d2\u1799\u178a\u17c6\u178e\u17be\u179a\u1780\u17b6\u179a\u17af\u1780\u1797\u17b6\u1796\u178a\u17c2\u179b\u178f\u17d2\u179a\u17bc\u179c\u1794\u17b6\u1793\u17a2\u1793\u17bb\u1798\u17d0\u178f\u178a\u17c4\u1799 ANSI<\/td>\n<td style=\"padding: 8px;\">\u1794\u1789\u17d2\u1787\u17b6\u1780\u17cb\u1796\u17b8\u178a\u17c6\u178e\u17be\u179a\u1780\u17b6\u179a \u1793\u17b7\u1784\u1780\u17b6\u179a\u17af\u1780\u1797\u17b6\u1796 \u1798\u17b7\u1793\u1798\u17c2\u1793\u1782\u17d2\u179a\u1794\u17cb\u1783\u17d2\u179b\u17b6\u1794\u1785\u17d2\u1785\u17c1\u1780\u1791\u17c1\u179f\u1791\u17b6\u17c6\u1784\u17a2\u179f\u17cb\u1793\u17c4\u17c7\u1791\u17c1\u17d4<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>\u17a2\u17ca\u17b8\u17a2\u17ca\u17b8<\/strong><\/td>\n<td style=\"padding: 8px;\">\u17a2\u1784\u17d2\u1782\u1780\u17b6\u179a\u17a2\u1797\u17b7\u179c\u178c\u17d2\u178d\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a<\/td>\n<td style=\"padding: 8px;\">\u1795\u17d2\u179b\u17bc\u179c\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a\u1794\u1785\u17d2\u1785\u17c1\u1780\u1791\u17c1\u179f \u1787\u17b6\u1796\u17b7\u179f\u17c1\u179f\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1782\u17d2\u179a\u17bd\u179f\u17b6\u179a\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17d2\u178f\u17bc\u179a\u1790\u17b6\u1798\u1796\u179b\u178a\u17bc\u1785\u1787\u17b6 C37<\/td>\n<td style=\"padding: 8px;\">\u1794\u17d2\u179a\u1797\u1796\u1794\u1785\u17d2\u1785\u17c1\u1780\u1791\u17c1\u179f\u179f\u17d2\u1793\u17bc\u179b\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a\u17a7\u1794\u1780\u179a\u178e\u17cd\u1795\u17d2\u178f\u17b6\u1785\u17cb\u179f\u17c0\u1782\u17d2\u179c\u17b8\u1790\u17b6\u1798\u1796\u179b\u1787\u17b6\u1785\u17d2\u179a\u17be\u1793<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>NEMA<\/strong><\/td>\n<td style=\"padding: 8px;\">\u179f\u1798\u17b6\u1782\u1798\u17a7\u179f\u17d2\u179f\u17b6\u17a0\u1780\u1798\u17d2\u1798 \u1793\u17b7\u1784\u17a2\u1784\u17d2\u1782\u1780\u17b6\u179a\u17a2\u1797\u17b7\u179c\u178c\u17d2\u178d\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a<\/td>\n<td style=\"padding: 8px;\">\u1794\u17c4\u17c7\u1796\u17bb\u1798\u17d2\u1796\u1795\u17d2\u179f\u17b6\u1799\u17a7\u1794\u1780\u179a\u178e\u17cd\u1795\u17d2\u178f\u17b6\u1785\u17cb\u179f\u17c0\u1782\u17d2\u179c\u17b8\u1780\u179a\u178e\u17b8\u178a\u17c2\u179b\u1794\u17b6\u1793\u178a\u17c6\u17a1\u17be\u1784 \u1793\u17b7\u1784\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a \u1793\u17b7\u1784\u1780\u17b6\u179a\u178e\u17c2\u1793\u17b6\u17c6\u178a\u17c2\u179b\u1791\u17b6\u1780\u17cb\u1791\u1784\u1793\u17b9\u1784\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17d2\u178f\u17bc\u179a<\/td>\n<td style=\"padding: 8px;\">\u1794\u17d2\u179a\u1797\u1796\u179f\u17c6\u1781\u17b6\u1793\u17cb\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb AB \u1793\u17b7\u1784\u17af\u1780\u179f\u17b6\u179a ANSI\/NEMA C37 \u1798\u17bd\u1799\u1785\u17c6\u1793\u17bd\u1793<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>UL Standards &amp; Engagement \/ UL Solutions<\/strong><\/td>\n<td style=\"padding: 8px;\">\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a\u17a2\u1797\u17b7\u179c\u178c\u17d2\u178d\u1793\u17cd \u1794\u17bc\u1780\u1793\u17b9\u1784\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u17a2\u17c1\u1780\u17bc\u17a1\u17bc\u179f\u17ca\u17b8\u1792\u17d2\u179c\u17be\u178f\u17c1\u179f\u17d2\u178f\/\u179c\u17b7\u1789\u17d2\u1789\u17b6\u1794\u1793\u1794\u17d0\u178f\u17d2\u179a<\/td>\n<td style=\"padding: 8px;\">\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a\u1795\u179b\u17b7\u178f\u1795\u179b \u1793\u17b7\u1784\u1780\u17d2\u179a\u1794\u1781\u17d0\u178e\u17d2\u178c\u179c\u17b6\u1799\u178f\u1798\u17d2\u179b\u17c3\u1795\u179b\u17b7\u178f\u1795\u179b<\/td>\n<td style=\"padding: 8px;\">\u1780\u178e\u17d2\u178f\u17b6\u179b\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1780\u17b6\u179a\u1796\u17b7\u1797\u17b6\u1780\u17d2\u179f\u17b6\u17a2\u17c6\u1796\u17b8\u1794\u1789\u17d2\u1787\u17b8\u1795\u179b\u17b7\u178f\u1795\u179b \u1793\u17b7\u1784\u179c\u17b7\u1789\u17d2\u1789\u17b6\u1794\u1793\u1794\u17d0\u178f\u17d2\u179a<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>NFPA \/ NEC<\/strong><\/td>\n<td style=\"padding: 8px;\">\u17a2\u17d2\u1793\u1780\u1794\u17c4\u17c7\u1796\u17bb\u1798\u17d2\u1796\u1795\u17d2\u179f\u17b6\u1799\u1780\u17bc\u178a \u1793\u17b7\u1784\u1780\u17bc\u178a\u178a\u17c6\u17a1\u17be\u1784<\/td>\n<td style=\"padding: 8px;\">\u1780\u17b6\u179a\u179a\u1785\u1793\u17b6 \u1780\u17b6\u179a\u178a\u17c6\u17a1\u17be\u1784 \u1793\u17b7\u1784\u1780\u17b6\u179a\u178f\u17d2\u179a\u17bd\u178f\u1796\u17b7\u1793\u17b7\u178f\u17d2\u1799\u179c\u17b6\u179b<\/td>\n<td style=\"padding: 8px;\">\u1782\u17d2\u179a\u1794\u17cb\u1782\u17d2\u179a\u1784\u179a\u1794\u17c0\u1794\u178a\u17c2\u179b\u17a7\u1794\u1780\u179a\u178e\u17cd\u1795\u17d2\u178f\u17b6\u1785\u17cb\u179f\u17c0\u1782\u17d2\u179c\u17b8\u178a\u17c2\u179b\u1794\u17b6\u1793\u1785\u17bb\u17c7\u1794\u1789\u17d2\u1787\u17b8\u17a2\u17b6\u1785\u178f\u17d2\u179a\u17bc\u179c\u1794\u17b6\u1793\u17a2\u1793\u17bb\u179c\u178f\u17d2\u178f<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>OSHA NRTL<\/strong><\/td>\n<td style=\"padding: 8px;\">\u1780\u1798\u17d2\u1798\u179c\u17b7\u1792\u17b8\u1791\u1791\u17bd\u179b\u179f\u17d2\u1782\u17b6\u179b\u17cb\u179a\u1794\u179f\u17cb\u179a\u178a\u17d2\u178b\u17b6\u1797\u17b7\u1794\u17b6\u179b<\/td>\n<td style=\"padding: 8px;\">\u1791\u1791\u17bd\u179b\u179f\u17d2\u1782\u17b6\u179b\u17cb\u1798\u1793\u17d2\u1791\u17b8\u179a\u1796\u17b7\u179f\u17c4\u1792\u1793\u17cd\u1792\u17d2\u179c\u17be\u178f\u17c1\u179f\u17d2\u178f\u1795\u17d2\u1793\u17c2\u1780\u17af\u1780\u1787\u1793\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1780\u17b6\u179a\u1794\u1789\u17d2\u1787\u17b6\u1780\u17cb\u1795\u179b\u17b7\u178f\u1795\u179b\u1798\u17bd\u1799\u1785\u17c6\u1793\u17bd\u1793<\/td>\n<td style=\"padding: 8px;\">\u179f\u17d2\u179a\u1791\u17b6\u1794\u17cb\u1791\u1791\u17bd\u179b\u179f\u17d2\u1782\u17b6\u179b\u17cb\u1794\u1791\u1794\u17d2\u1794\u1789\u17d2\u1789\u178f\u17d2\u178f\u17b7 \u1798\u17b7\u1793\u1798\u17c2\u1793\u1787\u17b6\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a\u1795\u179b\u17b7\u178f\u1795\u179b<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u1782\u17c6\u179a\u17bc\u1795\u17d2\u179b\u17bc\u179c\u1785\u17b7\u178f\u17d2\u178f\u179a\u17a0\u17d0\u179f<\/h2>\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" src=\"https:\/\/img.viox.com\/Technical-infographic-showing-the-relationship-between-ANSI-IEEE-NEMA-UL-NEC-and-OSHA-NRTL.webp\" alt=\"Technical infographic showing the relationship between ANSI, IEEE, NEMA, UL, NEC, and OSHA NRTL\" \/><figcaption style=\"font-style: italic; margin-top: 10px; color: #555;\">\u1798\u1782\u17d2\u1782\u17bb\u1791\u17d2\u1791\u17c1\u179f\u1780\u17cd\u178a\u17c2\u179b\u1798\u17be\u179b\u1783\u17be\u1789\u179b\u1798\u17d2\u17a2\u17b7\u178f\u17a2\u17c6\u1796\u17b8\u1791\u17c6\u1793\u17b6\u1780\u17cb\u1791\u17c6\u1793\u1784\u179a\u179c\u17b6\u1784\u17a2\u1784\u17d2\u1782\u1780\u17b6\u179a\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a\u17a2\u1782\u17d2\u1782\u17b7\u179f\u1793\u17b8\u179f\u17c6\u1781\u17b6\u1793\u17cb\u17d7\u179a\u1794\u179f\u17cb\u179f\u17a0\u179a\u178a\u17d2\u178b\u17a2\u17b6\u1798\u17c1\u179a\u17b7\u1780 \u178a\u17bc\u1785\u1787\u17b6 ANSI, IEEE, UL \u1793\u17b7\u1784 NEC \u17d4.<\/figcaption><\/figure>\n<p>\u1793\u17c5\u1796\u17c1\u179b\u178a\u17c2\u179b\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a\u17a7\u1794\u1780\u179a\u178e\u17cd\u1795\u17d2\u178f\u17b6\u1785\u17cb\u179f\u17c0\u1782\u17d2\u179c\u17b8\u179a\u1794\u179f\u17cb\u179f\u17a0\u179a\u178a\u17d2\u178b\u17a2\u17b6\u1798\u17c1\u179a\u17b7\u1780\u179a\u1789\u17c9\u17c1\u179a\u1789\u17c9\u17c3 \u178b\u17b6\u1793\u17b6\u1793\u17bb\u1780\u17d2\u179a\u1798\u179f\u17b6\u1798\u1789\u17d2\u1789\u1793\u17c1\u17c7\u1787\u17b6\u1792\u1798\u17d2\u1798\u178f\u17b6\u1787\u17bd\u1799\u17d6<\/p>\n<ul>\n<li><strong>ANSI<\/strong> \u17a2\u1793\u17bb\u1798\u17d0\u178f\u178a\u17c6\u178e\u17be\u179a\u1780\u17b6\u179a\u17af\u1780\u1797\u17b6\u1796<\/li>\n<li><strong>\u17a2\u17ca\u17b8\u17a2\u17ca\u17b8<\/strong>, <strong>NEMA<\/strong>, <strong>UL Standards &amp; Engagement<\/strong>, \u1793\u17b7\u1784 <strong>NFPA<\/strong> \u17a2\u1797\u17b7\u179c\u178c\u17d2\u178d\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a \u17ac\u1780\u17bc\u178a\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1782\u1793\u17d2\u179b\u1784\u1795\u17d2\u1791\u17b6\u179b\u17cb\u1781\u17d2\u179b\u17bd\u1793\u179a\u1794\u179f\u17cb\u1796\u17bd\u1780\u1782\u17c1<\/li>\n<li><strong>UL Solutions<\/strong> \u1793\u17b7\u1784\u17a2\u1784\u17d2\u1782\u1797\u17b6\u1796\u178a\u17c2\u179b\u1791\u1791\u17bd\u179b\u179f\u17d2\u1782\u17b6\u179b\u17cb\u1795\u17d2\u179f\u17c1\u1784\u1791\u17c0\u178f\u179c\u17b6\u1799\u178f\u1798\u17d2\u179b\u17c3\u1795\u179b\u17b7\u178f\u1795\u179b\u178f\u17b6\u1798\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a\u178a\u17c2\u179b\u17a2\u17b6\u1785\u17a2\u1793\u17bb\u179c\u178f\u17d2\u178f\u1794\u17b6\u1793<\/li>\n<li><strong>OSHA NRTL<\/strong> \u1791\u1791\u17bd\u179b\u179f\u17d2\u1782\u17b6\u179b\u17cb\u1798\u1793\u17d2\u1791\u17b8\u179a\u1796\u17b7\u179f\u17c4\u1792\u1793\u17cd\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u179c\u17b7\u179f\u17b6\u179b\u1797\u17b6\u1796\u179c\u17b7\u1789\u17d2\u1789\u17b6\u1794\u1793\u1794\u17d0\u178f\u17d2\u179a\u178a\u17c2\u179b\u1794\u17b6\u1793\u1780\u17c6\u178e\u178f\u17cb<\/li>\n<li><strong>NEC (NFPA 70)<\/strong> \u1794\u17d2\u179a\u17b6\u1794\u17cb\u17a2\u17d2\u1793\u1780\u1796\u17b8\u179a\u1794\u17c0\u1794\u178a\u17c2\u179b\u17a7\u1794\u1780\u179a\u178e\u17cd\u178f\u17d2\u179a\u17bc\u179c\u178f\u17c2\u178f\u17d2\u179a\u17bc\u179c\u1794\u17b6\u1793\u178a\u17c6\u17a1\u17be\u1784 \u1793\u17b7\u1784\u17a2\u1793\u17bb\u179c\u178f\u17d2\u178f<\/li>\n<\/ul>\n<p>\u1793\u17c5\u1796\u17c1\u179b\u178a\u17c2\u179b\u179a\u1785\u1793\u17b6\u179f\u1798\u17d2\u1796\u17d0\u1793\u17d2\u1792\u1793\u17c4\u17c7\u1785\u17d2\u1794\u17b6\u179f\u17cb\u179b\u17b6\u179f\u17cb \u1780\u17b6\u179a\u1782\u17bc\u179f\u1795\u17c2\u1793\u1791\u17b8\u1782\u17d2\u179a\u17bd\u179f\u17b6\u179a\u17a7\u1794\u1780\u179a\u178e\u17cd\u1795\u17d2\u178f\u17b6\u1785\u17cb\u179f\u17c0\u1782\u17d2\u179c\u17b8\u1780\u17b6\u1793\u17cb\u178f\u17c2\u1784\u17b6\u1799\u179f\u17d2\u179a\u17bd\u179b\u17d6<\/p>\n<ul>\n<li><strong>UL 489 \/ NEMA AB<\/strong> \u1785\u1784\u17d2\u17a2\u17bb\u179b\u1791\u17c5\u1780\u17b6\u179a\u17a2\u1793\u17bb\u179c\u178f\u17d2\u178f\u17a7\u1794\u1780\u179a\u178e\u17cd\u1795\u17d2\u178f\u17b6\u1785\u17cb\u179f\u17c0\u1782\u17d2\u179c\u17b8\u1780\u179a\u178e\u17b8\u178a\u17c2\u179b\u1794\u17b6\u1793\u178a\u17c6\u17a1\u17be\u1784<\/li>\n<li><strong>UL 1066 \/ IEEE C37<\/strong> \u1785\u1784\u17d2\u17a2\u17bb\u179b\u1794\u1784\u17d2\u17a0\u17b6\u1789\u17a2\u17c6\u1796\u17b8\u1780\u17b6\u179a\u17a2\u1793\u17bb\u179c\u178f\u17d2\u178f\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u179b\u17c2\u1784\u179f\u17c0\u1782\u17d2\u179c\u17b8\u1790\u17b6\u1798\u1796\u179b\u179c\u17c9\u17bb\u179b\u1791\u17b6\u1794 \u1793\u17b7\u1784\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17d2\u178f\u17bc\u179a<\/li>\n<\/ul>\n<h2>\u178f\u17be\u1793\u179a\u178e\u17b6\u1787\u17b6\u17a2\u17d2\u1793\u1780\u1792\u17d2\u179c\u17be\u17a2\u17d2\u179c\u17b8\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u179a\u1785\u1793\u17b6\u179f\u1798\u17d2\u1796\u17d0\u1793\u17d2\u1792\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a\u17a2\u17b6\u1798\u17c1\u179a\u17b7\u1780<\/h2>\n<p>\u1798\u17bb\u1793\u1796\u17c1\u179b\u1794\u17d2\u179a\u17c0\u1794\u1792\u17c0\u1794\u17af\u1780\u179f\u17b6\u179a\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u179b\u17c2\u1784\u179f\u17c0\u1782\u17d2\u179c\u17b8\u1787\u17b6\u1780\u17cb\u179b\u17b6\u1780\u17cb \u179c\u17b6\u1798\u17b6\u1793\u1794\u17d2\u179a\u1799\u17c4\u1787\u1793\u17cd\u1780\u17d2\u1793\u17bb\u1784\u1780\u17b6\u179a\u1794\u17c6\u1794\u17c2\u1780\u179f\u17d2\u1790\u17b6\u1794\u17d0\u1793\u17d4.<\/p>\n<h3>ANSI<\/h3>\n<p><strong>ANSI<\/strong> \u178f\u17c6\u178e\u17b6\u1784\u17b1\u17d2\u1799 <strong>\u179c\u17b7\u1791\u17d2\u1799\u17b6\u179f\u17d2\u1790\u17b6\u1793\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a\u1787\u17b6\u178f\u17b7\u17a2\u17b6\u1798\u17c1\u179a\u17b7\u1780<\/strong>. \u17d4 \u178f\u17bd\u1793\u17b6\u1791\u17b8\u179a\u1794\u179f\u17cb\u179c\u17b6\u1782\u17ba\u1780\u17b6\u179a\u179f\u1798\u17d2\u179a\u1794\u179f\u1798\u17d2\u179a\u17bd\u179b \u1793\u17b7\u1784\u1780\u17b6\u179a\u17a2\u1793\u17bb\u1798\u17d0\u178f\u17d4 ANSI \u1798\u17b7\u1793\u179f\u179a\u179f\u17c1\u179a\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u179b\u17c2\u1784\u179f\u17c0\u1782\u17d2\u179c\u17b8\u1791\u17b6\u17c6\u1784\u17a2\u179f\u17cb\u178a\u17c2\u179b\u179c\u17b7\u179f\u17d2\u179c\u1780\u179a\u1794\u17d2\u179a\u17be\u1794\u17d2\u179a\u17b6\u179f\u17cb\u178a\u17c4\u1799\u1795\u17d2\u1791\u17b6\u179b\u17cb\u1791\u17c1\u17d4 \u1795\u17d2\u1791\u17bb\u1799\u1791\u17c5\u179c\u17b7\u1789 \u179c\u17b6\u17a2\u1793\u17bb\u1798\u17d0\u178f\u178a\u17c6\u178e\u17be\u179a\u1780\u17b6\u179a\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a \u1793\u17b7\u1784\u1791\u1791\u17bd\u179b\u179f\u17d2\u1782\u17b6\u179b\u17cb\u17a2\u17d2\u1793\u1780\u1794\u1784\u17d2\u1780\u17be\u178f\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a\u178a\u17c2\u179b\u17a2\u17b6\u1785\u1793\u17b6\u17c6\u1799\u1780\u17af\u1780\u179f\u17b6\u179a\u1787\u17b6\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a\u1787\u17b6\u178f\u17b7\u17a2\u17b6\u1798\u17c1\u179a\u17b7\u1780\u17d4.<\/p>\n<p>\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u179b\u1780\u17d2\u1781\u1781\u178e\u17d2\u178c\u1787\u17b6\u1780\u17cb\u179f\u17d2\u178f\u17c2\u1784 ANSI \u1782\u17ba\u1787\u17b6\u179f\u17d2\u179a\u1791\u17b6\u1794\u17cb\u178a\u17c6\u178e\u17be\u179a\u1780\u17b6\u179a \u1793\u17b7\u1784\u1780\u17b6\u179a\u1798\u17bc\u179b\u1798\u178f\u17b7\u1782\u17d2\u1793\u17b6\u17d4.<\/p>\n<h3>\u17a2\u17ca\u17b8\u17a2\u17ca\u17b8<\/h3>\n<p><strong>\u17a2\u17ca\u17b8\u17a2\u17ca\u17b8<\/strong> \u1782\u17ba <strong>\u179c\u17b7\u1791\u17d2\u1799\u17b6\u179f\u17d2\u1790\u17b6\u1793\u179c\u17b7\u179f\u17d2\u179c\u1780\u179a\u17a2\u1782\u17d2\u1782\u17b7\u179f\u1793\u17b8 \u1793\u17b7\u1784\u17a2\u17c1\u17a1\u17b7\u1785\u178f\u17d2\u179a\u17bc\u1793\u17b7\u1780<\/strong>. \u17d4 \u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1796\u17b7\u1797\u1796\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u179b\u17c2\u1784\u179f\u17c0\u1782\u17d2\u179c\u17b8 IEEE \u1782\u17ba\u1787\u17b6\u1795\u17d2\u179b\u17bc\u179c\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a\u1794\u1785\u17d2\u1785\u17c1\u1780\u1791\u17c1\u179f\u178a\u17cf\u179f\u17c6\u1781\u17b6\u1793\u17cb \u1787\u17b6\u1796\u17b7\u179f\u17c1\u179f\u178f\u17b6\u1798\u179a\u1799\u17c8 <strong>\u1782\u17d2\u179a\u17bd\u179f\u17b6\u179a C37<\/strong> \u178f\u17d2\u179a\u17bc\u179c\u1794\u17b6\u1793\u1794\u17d2\u179a\u17be\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1794\u179a\u17b7\u1794\u1791\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17d2\u178f\u17bc\u179a\u1790\u17b6\u1798\u1796\u179b \u1793\u17b7\u1784\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u179b\u17c2\u1784\u179f\u17c0\u1782\u17d2\u179c\u17b8\u1790\u17b6\u1798\u1796\u179b\u17d4.<\/p>\n<p>\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u179b\u1780\u17d2\u1781\u1781\u178e\u17d2\u178c\u1787\u17b6\u1780\u17cb\u179f\u17d2\u178f\u17c2\u1784 IEEE \u1782\u17ba\u1787\u17b6\u17a2\u1784\u17d2\u1782\u1780\u17b6\u179a\u179f\u179a\u179f\u17c1\u179a\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a\u1794\u1785\u17d2\u1785\u17c1\u1780\u1791\u17c1\u179f\u17d4.<\/p>\n<h3>NEMA<\/h3>\n<p><strong>NEMA<\/strong> \u1782\u17ba <strong>\u179f\u1798\u17b6\u1782\u1798\u17a2\u17d2\u1793\u1780\u1795\u179b\u17b7\u178f\u17a2\u1782\u17d2\u1782\u17b7\u179f\u1793\u17b8\u1787\u17b6\u178f\u17b7<\/strong>. \u17d4 \u179c\u17b6\u1782\u17ba\u1787\u17b6\u179f\u1798\u17b6\u1782\u1798\u17a7\u179f\u17d2\u179f\u17b6\u17a0\u1780\u1798\u17d2\u1798 \u1793\u17b7\u1784\u1787\u17b6\u17a2\u17d2\u1793\u1780\u1794\u1784\u17d2\u1780\u17be\u178f\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a\u178a\u17c2\u179b\u1791\u1791\u17bd\u179b\u179f\u17d2\u1782\u17b6\u179b\u17cb\u178a\u17c4\u1799 ANSI \u17d4 \u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1780\u17b6\u179a\u1784\u17b6\u179a\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u179b\u17c2\u1784\u179f\u17c0\u1782\u17d2\u179c\u17b8\u179c\u17c9\u17bb\u179b\u1791\u17b6\u1794 \u179c\u17b6\u1798\u17b6\u1793\u179f\u17b6\u179a\u17c8\u179f\u17c6\u1781\u17b6\u1793\u17cb\u1796\u17d2\u179a\u17c4\u17c7\u179c\u17b6\u1795\u17d2\u179f\u1796\u17d2\u179c\u1795\u17d2\u179f\u17b6\u1799 <strong>NEMA AB<\/strong> \u1782\u17d2\u179a\u17bd\u179f\u17b6\u179a\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u179b\u17c2\u1784\u179f\u17c0\u1782\u17d2\u179c\u17b8\u1780\u179a\u178e\u17b8\u178a\u17c2\u179b\u1794\u17b6\u1793\u178a\u17c6\u17a1\u17be\u1784 \u17a0\u17be\u1799\u1780\u17cf\u1785\u17bc\u179b\u179a\u17bd\u1798\u1780\u17d2\u1793\u17bb\u1784\u1795\u17d2\u1793\u17c2\u1780\u1781\u17d2\u179b\u17c7\u1793\u17c3 <strong>C37<\/strong> \u1791\u17c1\u179f\u1797\u17b6\u1796\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17d2\u178f\u17bc\u179a\u17d4.<\/p>\n<p>\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u179b\u1780\u17d2\u1781\u1781\u178e\u17d2\u178c\u1787\u17b6\u1780\u17cb\u179f\u17d2\u178f\u17c2\u1784 NEMA \u1782\u17ba\u1787\u17b6\u1791\u17b6\u17c6\u1784\u179f\u17d2\u1790\u17b6\u1794\u17d0\u1793\u17a7\u179f\u17d2\u179f\u17b6\u17a0\u1780\u1798\u17d2\u1798 \u1793\u17b7\u1784\u1787\u17b6\u17a2\u17d2\u1793\u1780\u1794\u17c4\u17c7\u1796\u17bb\u1798\u17d2\u1796\u1795\u17d2\u179f\u17b6\u1799\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a\u179f\u1780\u1798\u17d2\u1798\u17d4.<\/p>\n<h3>UL<\/h3>\n<p>\u1788\u17d2\u1798\u17c4\u17c7 <strong>UL<\/strong> \u1787\u17b6\u1789\u17b9\u1780\u1789\u17b6\u1794\u17cb\u1794\u178e\u17d2\u178f\u17b6\u179b\u17b1\u17d2\u1799\u1798\u17b6\u1793\u1780\u17b6\u179a\u1797\u17d0\u1793\u17d2\u178f\u1785\u17d2\u179a\u17a1\u17c6\u1781\u17d2\u179b\u17b6\u17c6\u1784\u1794\u17c6\u1795\u17bb\u178f \u1796\u17d2\u179a\u17c4\u17c7\u1798\u1793\u17bb\u179f\u17d2\u179f\u1794\u17d2\u179a\u17be\u179c\u17b6\u1798\u17b6\u1793\u1793\u17d0\u1799\u1790\u17b6\u1791\u17b6\u17c6\u1784\u1780\u17b6\u179a\u179f\u179a\u179f\u17c1\u179a\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a \u1793\u17b7\u1784\u1780\u17b6\u179a\u1794\u1789\u17d2\u1787\u17b6\u1780\u17cb\u1795\u179b\u17b7\u178f\u1795\u179b\u17d4.<\/p>\n<p>\u1793\u17c5\u1780\u1798\u17d2\u179a\u17b7\u178f\u1781\u17d2\u1796\u179f\u17cb\u17d6<\/p>\n<ul>\n<li><strong>UL Standards &amp; Engagement<\/strong> \u178f\u17d2\u179a\u17bc\u179c\u1794\u17b6\u1793\u1795\u17d2\u179f\u17b6\u179a\u1797\u17d2\u1787\u17b6\u1794\u17cb\u1787\u17b6\u1798\u17bd\u1799\u1793\u17b9\u1784\u1780\u17b6\u179a\u17a2\u1797\u17b7\u179c\u178c\u17d2\u178d\u1793\u17cd\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a<\/li>\n<li><strong>UL Solutions<\/strong> \u178f\u17d2\u179a\u17bc\u179c\u1794\u17b6\u1793\u1795\u17d2\u179f\u17b6\u179a\u1797\u17d2\u1787\u17b6\u1794\u17cb\u1787\u17b6\u1798\u17bd\u1799\u1793\u17b9\u1784\u1780\u17b6\u179a\u1792\u17d2\u179c\u17be\u178f\u17c1\u179f\u17d2\u178f \u1780\u17b6\u179a\u179c\u17b6\u1799\u178f\u1798\u17d2\u179b\u17c3 \u1793\u17b7\u1784\u179f\u1780\u1798\u17d2\u1798\u1797\u17b6\u1796\u1794\u1789\u17d2\u1787\u17b6\u1780\u17cb<\/li>\n<\/ul>\n<p>\u178a\u17bc\u1785\u17d2\u1793\u17c1\u17c7\u1793\u17c5\u1796\u17c1\u179b\u178a\u17c2\u179b\u179c\u17b7\u179f\u17d2\u179c\u1780\u179a\u1793\u17b7\u1799\u17b6\u1799\u1790\u17b6 \u201c\u1793\u17c1\u17c7\u1782\u17ba\u1787\u17b6\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u179b\u17c2\u1784\u179f\u17c0\u1782\u17d2\u179c\u17b8 UL\u201d \u1796\u17bd\u1780\u1782\u17c1\u1785\u17d2\u179a\u17be\u1793\u178f\u17c2\u1798\u17b6\u1793\u1793\u17d0\u1799\u1790\u17b6\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u179b\u17c2\u1784\u179f\u17c0\u1782\u17d2\u179c\u17b8\u178f\u17d2\u179a\u17bc\u179c\u1794\u17b6\u1793\u179c\u17b6\u1799\u178f\u1798\u17d2\u179b\u17c3\u1791\u17c5\u178f\u17b6\u1798\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a\u1795\u179b\u17b7\u178f\u1795\u179b UL \u178a\u17bc\u1785\u1787\u17b6 <strong>UL 489<\/strong> \u17ac <strong>UL 1066<\/strong> \u178a\u17c4\u1799\u179f\u17d2\u1790\u17b6\u1794\u17d0\u1793\u1794\u1789\u17d2\u1787\u17b6\u1780\u17cb\u178a\u17c2\u179b\u1791\u1791\u17bd\u179b\u179f\u17d2\u1782\u17b6\u179b\u17cb\u17d4.<\/p>\n<h3>NFPA \u1793\u17b7\u1784 NEC<\/h3>\n<p><strong>NFPA<\/strong> \u1782\u17ba <strong>\u179f\u1798\u17b6\u1782\u1798\u1780\u17b6\u179a\u1796\u17b6\u179a\u17a2\u1782\u17d2\u1782\u17b8\u1797\u17d0\u1799\u1787\u17b6\u178f\u17b7<\/strong>. \u17d4 \u179c\u17b6\u1795\u17d2\u179f\u1796\u17d2\u179c\u1795\u17d2\u179f\u17b6\u1799 <strong>NFPA 70<\/strong>, \u178a\u17c2\u179b\u1782\u17c1\u179f\u17d2\u1782\u17b6\u179b\u17cb\u1785\u17d2\u1794\u17b6\u179f\u17cb\u1787\u17b6\u1784 <strong>\u1782.\u1787.\u1794<\/strong>, \u17ac\u1780\u17d2\u179a\u1798\u17a2\u1782\u17d2\u1782\u17b7\u179f\u1793\u17b8\u1787\u17b6\u178f\u17b7\u17d4.<\/p>\n<p>\u17a2\u17d2\u179c\u17b8\u178a\u17c2\u179b\u179f\u17c6\u1781\u17b6\u1793\u17cb\u178a\u17c2\u179b\u178f\u17d2\u179a\u17bc\u179c\u1785\u1784\u1785\u17b6\u17c6\u1782\u17ba\u17d6<\/p>\n<ul>\n<li><strong>NFPA<\/strong> \u1782\u17ba\u1787\u17b6\u17a2\u17d2\u1793\u1780\u1794\u17c4\u17c7\u1796\u17bb\u1798\u17d2\u1796\u1795\u17d2\u179f\u17b6\u1799<\/li>\n<li><strong>\u1782.\u1787.\u1794<\/strong> \u1782\u17ba\u1787\u17b6\u17af\u1780\u179f\u17b6\u179a\u1780\u17bc\u178a<\/li>\n<\/ul>\n<h3>OSHA NRTL<\/h3>\n<p>\u1793\u17c1\u17c7\u17d4 <strong>\u1780\u1798\u17d2\u1798\u179c\u17b7\u1792\u17b8 OSHA NRTL<\/strong> \u1798\u17b7\u1793\u1798\u17c2\u1793\u1787\u17b6\u1798\u1793\u17d2\u1791\u17b8\u179a\u1796\u17b7\u179f\u17c4\u1792\u1793\u17cd\u178f\u17c2\u1798\u17bd\u1799 \u1793\u17b7\u1784\u1798\u17b7\u1793\u1798\u17c2\u1793\u1787\u17b6\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u179b\u17c2\u1784\u179f\u17c0\u1782\u17d2\u179c\u17b8\u178f\u17c2\u1798\u17bd\u1799\u1791\u17c1\u17d4 \u179c\u17b6\u1782\u17ba\u1787\u17b6\u1780\u17d2\u179a\u1794\u1781\u17d0\u178e\u17d2\u178c\u1793\u17c3\u1780\u17b6\u179a\u1791\u1791\u17bd\u179b\u179f\u17d2\u1782\u17b6\u179b\u17cb\u179a\u1794\u179f\u17cb\u179a\u178a\u17d2\u178b\u17b6\u1797\u17b7\u1794\u17b6\u179b\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1798\u1793\u17d2\u1791\u17b8\u179a\u1796\u17b7\u179f\u17c4\u1792\u1793\u17cd\u1795\u17d2\u1793\u17c2\u1780\u17af\u1780\u1787\u1793\u178a\u17c2\u179b\u1794\u1789\u17d2\u1787\u17b6\u1780\u17cb\u1795\u179b\u17b7\u178f\u1795\u179b\u1780\u17d2\u1793\u17bb\u1784\u179c\u17b7\u179f\u17b6\u179b\u1797\u17b6\u1796\u178a\u17c2\u179b\u1794\u17b6\u1793\u1791\u1791\u17bd\u179b\u179f\u17d2\u1782\u17b6\u179b\u17cb\u1787\u17b6\u1780\u17cb\u179b\u17b6\u1780\u17cb\u17d4.<\/p>\n<p>\u179a\u17bf\u1784\u1793\u17c4\u17c7\u179f\u17c6\u1781\u17b6\u1793\u17cb\u1780\u17d2\u1793\u17bb\u1784\u1780\u17b6\u179a\u1796\u17b7\u1797\u17b6\u1780\u17d2\u179f\u17b6\u17a2\u17c6\u1796\u17b8\u1780\u17b6\u179a\u17a2\u1793\u17bb\u179b\u17c4\u1798\u178f\u17b6\u1798\u1785\u17d2\u1794\u17b6\u1794\u17cb \u1796\u17b8\u1796\u17d2\u179a\u17c4\u17c7\u1791\u17b8\u1795\u17d2\u179f\u17b6\u179a\u178f\u17c2\u1784\u178f\u17c2\u1793\u17b7\u1799\u17b6\u1799\u178a\u17bc\u1785\u1787\u17b6 \u201cUL\u201d \u1782\u17ba\u1787\u17b6\u1795\u17d2\u179b\u17bc\u179c\u1794\u1789\u17d2\u1787\u17b6\u1780\u17cb\u178f\u17c2\u1798\u17bd\u1799\u1782\u178f\u17cb\u17d4 \u178f\u17b6\u1798\u1780\u17b6\u179a\u1796\u17b7\u178f \u17a0\u17c1\u178f\u17bb\u1795\u179b\u1794\u1791\u1794\u17d2\u1794\u1789\u17d2\u1789\u178f\u17d2\u178f\u17b7\u1782\u17ba\u1791\u17bc\u179b\u17c6\u1791\u17bc\u179b\u17b6\u1799\u1787\u17b6\u1784\u17d6 OSHA \u1791\u1791\u17bd\u179b\u179f\u17d2\u1782\u17b6\u179b\u17cb\u1798\u1793\u17d2\u1791\u17b8\u179a\u1796\u17b7\u179f\u17c4\u1792\u1793\u17cd\u1792\u17d2\u179c\u17be\u178f\u17c1\u179f\u17d2\u178f\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u179c\u17b7\u179f\u17b6\u179b\u1797\u17b6\u1796\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a\u1795\u179b\u17b7\u178f\u1795\u179b\u178a\u17c2\u179b\u1794\u17b6\u1793\u1780\u17c6\u178e\u178f\u17cb\u17d4.<\/p>\n<h2>\u17a0\u17c1\u178f\u17bb\u17a2\u17d2\u179c\u17b8\u1794\u17b6\u1793\u1787\u17b6\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a\u1791\u17b6\u17c6\u1784\u1793\u17c1\u17c7\u1785\u17d2\u179a\u1794\u17bc\u1780\u1785\u17d2\u179a\u1794\u179b\u17cb<\/h2>\n<p>\u1780\u17b6\u179a\u1797\u17d0\u1793\u17d2\u178f\u1785\u17d2\u179a\u17a1\u17c6\u1787\u17b6\u1792\u1798\u17d2\u1798\u178f\u17b6\u1780\u17be\u178f\u17a1\u17be\u1784\u178a\u17c4\u1799\u179f\u17b6\u179a\u17a0\u17c1\u178f\u17bb\u1795\u179b\u1798\u17bd\u1799\u1780\u17d2\u1793\u17bb\u1784\u1785\u17c6\u178e\u17c4\u1798\u17a0\u17c1\u178f\u17bb\u1795\u179b\u1794\u17b8\u1799\u17c9\u17b6\u1784\u17d6<\/p>\n<h3>1. \u179c\u17b7\u179f\u17d2\u179c\u1780\u179a\u1794\u17d2\u179a\u17be \u201c\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u179b\u17c2\u1784\u179f\u17c0\u1782\u17d2\u179c\u17b8\u201d \u1798\u17b6\u1793\u1793\u17d0\u1799\u1790\u17b6\u17a2\u17d2\u179c\u17b8\u178a\u17c2\u179b\u1781\u17bb\u179f\u1782\u17d2\u1793\u17b6<\/h3>\n<p>\u1796\u17c1\u179b\u1781\u17d2\u179b\u17c7\u1796\u17bd\u1780\u1782\u17c1\u1798\u17b6\u1793\u1793\u17d0\u1799\u1790\u17b6\u17d6<\/p>\n<ul>\n<li>\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a\u1794\u1789\u17d2\u1787\u17b8\u1795\u179b\u17b7\u178f\u1795\u179b<\/li>\n<li>\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a\u179f\u17b6\u1784\u179f\u1784\u17cb\u17a7\u1794\u1780\u179a\u178e\u17cd<\/li>\n<li>\u1780\u17bc\u178a\u178a\u17c6\u17a1\u17be\u1784<\/li>\n<li>\u1782\u17c4\u179b\u1780\u17b6\u179a\u178e\u17cd\u178e\u17c2\u1793\u17b6\u17c6\u17a2\u17c6\u1796\u17b8\u1780\u17b6\u179a\u1790\u17c2\u1791\u17b6\u17c6<\/li>\n<\/ul>\n<p>\u1791\u17b6\u17c6\u1784\u1793\u17c4\u17c7\u1798\u17b7\u1793\u1798\u17c2\u1793\u1787\u17b6\u1794\u17d2\u179a\u1797\u17c1\u1791\u178a\u17bc\u1785\u1782\u17d2\u1793\u17b6\u1791\u17c1\u17d4.<\/p>\n<h3>2. UL 489 \u1793\u17b7\u1784 UL 1066 \u1791\u17b6\u17c6\u1784\u1796\u17b8\u179a\u17a2\u1793\u17bb\u179c\u178f\u17d2\u178f\u1785\u17c6\u1796\u17c4\u17c7\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u179b\u17c2\u1784\u179f\u17c0\u1782\u17d2\u179c\u17b8\u179c\u17c9\u17bb\u179b\u1791\u17b6\u1794<\/h3>\n<p>\u1793\u17c4\u17c7\u1792\u17d2\u179c\u17be\u17b1\u17d2\u1799\u1796\u17bd\u1780\u179c\u17b6\u179f\u17d2\u178f\u17b6\u1794\u17cb\u1791\u17c5\u179f\u17d2\u179a\u178a\u17c0\u1784\u1782\u17d2\u1793\u17b6 \u1794\u17c9\u17bb\u1793\u17d2\u178f\u17c2\u1796\u17bd\u1780\u179c\u17b6\u178f\u17d2\u179a\u17bc\u179c\u1794\u17b6\u1793\u178f\u1798\u17d2\u179a\u1784\u17cb\u1791\u17c5\u1782\u17d2\u179a\u17bd\u179f\u17b6\u179a\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u179b\u17c2\u1784\u179f\u17c0\u1782\u17d2\u179c\u17b8\u1795\u17d2\u179f\u17c1\u1784\u17d7\u1782\u17d2\u1793\u17b6\u17d4.<\/p>\n<h3>3. NEMA AB \u1793\u17b7\u1784 IEEE C37 \u1791\u17b6\u17c6\u1784\u1796\u17b8\u179a\u1782\u17ba\u1787\u17b6\u179f\u17ca\u17c1\u179a\u17b8 \u1798\u17b7\u1793\u1798\u17c2\u1793\u17af\u1780\u179f\u17b6\u179a\u178f\u17c2\u1798\u17bd\u1799\u1791\u17c1\u17d4<\/h3>\n<p>\u1798\u1793\u17bb\u179f\u17d2\u179f\u1793\u17b7\u1799\u17b6\u1799\u1790\u17b6 \u201cNEMA AB\u201d \u17ac \u201cIEEE C37\u201d \u178a\u17bc\u1785\u1787\u17b6\u1796\u17bd\u1780\u179c\u17b6\u1793\u17b8\u1798\u17bd\u1799\u17d7\u1787\u17b6\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a\u1798\u17bd\u1799\u17d4 \u178f\u17b6\u1798\u1780\u17b6\u179a\u1796\u17b7\u178f \u1788\u17d2\u1798\u17c4\u17c7\u1791\u17b6\u17c6\u1784\u1796\u17b8\u179a\u179f\u17c6\u178a\u17c5\u179b\u17be\u1782\u17d2\u179a\u17bd\u179f\u17b6\u179a\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a\u17d4.<\/p>\n<h3>4. NEC \u1785\u17d2\u179a\u1794\u17bc\u1780\u1785\u17d2\u179a\u1794\u179b\u17cb\u1787\u17b6\u1798\u17bd\u1799\u1793\u17b9\u1784\u179c\u17b7\u1789\u17d2\u1789\u17b6\u1794\u1793\u1794\u17d0\u178f\u17d2\u179a<\/h3>\n<p>\u179c\u17b6\u1798\u17b7\u1793\u1798\u17c2\u1793\u1791\u17c1\u17d4 NEC \u1782\u17ba\u1787\u17b6\u1780\u17bc\u178a\u178a\u17c6\u17a1\u17be\u1784 \u1798\u17b7\u1793\u1798\u17c2\u1793\u1794\u1789\u17d2\u1787\u17b8\u1795\u179b\u17b7\u178f\u1795\u179b\u1791\u17c1\u17d4.<\/p>\n<h2>\u17a2\u17d2\u179c\u17b8\u178a\u17c2\u179b UL 489 \u1798\u17b6\u1793\u1793\u17d0\u1799<\/h2>\n<p><strong>UL 489<\/strong> \u1782\u17ba\u1787\u17b6\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a\u179f\u17bb\u179c\u178f\u17d2\u1790\u17b7\u1797\u17b6\u1796\u179a\u1794\u179f\u17cb\u179f\u17a0\u179a\u178a\u17d2\u178b\u17a2\u17b6\u1798\u17c1\u179a\u17b7\u1780\u179f\u17d2\u1793\u17bc\u179b\u178a\u17c2\u179b\u1798\u1793\u17bb\u179f\u17d2\u179f\u1797\u17b6\u1782\u1785\u17d2\u179a\u17be\u1793\u1782\u17b7\u178f\u178a\u179b\u17cb\u1793\u17c5\u1796\u17c1\u179b\u1796\u17bd\u1780\u1782\u17c1\u1793\u17b7\u1799\u17b6\u1799\u17a2\u17c6\u1796\u17b8\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u179b\u17c2\u1784\u179f\u17c0\u1782\u17d2\u179c\u17b8\u1780\u179a\u178e\u17b8\u178a\u17c2\u179b\u1794\u17b6\u1793\u178a\u17c6\u17a1\u17be\u1784\u1792\u1798\u17d2\u1798\u178f\u17b6\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1780\u1798\u17d2\u1798\u179c\u17b7\u1792\u17b8\u179f\u17b6\u1781\u17b6 \u1793\u17b7\u1784\u17a7\u1794\u1780\u179a\u178e\u17cd\u1795\u17d2\u178f\u179b\u17cb\u1785\u17c6\u178e\u17b8\u17d4.<\/p>\n<p>\u1799\u17c4\u1784\u178f\u17b6\u1798 \u200b\u200bUL Solutions, UL 489 \u1782\u17d2\u179a\u1794\u178a\u178e\u17d2\u178f\u1794\u17cb\u17d6<\/p>\n<ul>\n<li>\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u179b\u17c2\u1784\u179f\u17c0\u1782\u17d2\u179c\u17b8\u1780\u179a\u178e\u17b8\u178a\u17c2\u179b\u1794\u17b6\u1793\u178a\u17c6\u17a1\u17be\u1784<\/li>\n<li>\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17d2\u178f\u17bc\u179a\u1780\u17c6\u178e\u178f\u17cb\u1780\u179a\u178e\u17b8<\/li>\n<li>\u179f\u17d2\u179a\u17c4\u1798\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u179b\u17c2\u1784\u179f\u17c0\u1782\u17d2\u179c\u17b8<\/li>\n<\/ul>\n<p>\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u179b\u1780\u17d2\u1781\u1781\u178e\u17d2\u178c\u1793\u17c3\u1780\u17b6\u179a\u179a\u1785\u1793\u17b6\u1787\u17b6\u1780\u17cb\u179f\u17d2\u178f\u17c2\u1784 \u1793\u17c1\u17c7\u1782\u17ba\u1787\u17b6\u1782\u17d2\u179a\u17bd\u179f\u17b6\u179a\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a\u178a\u17c2\u179b\u178f\u17d2\u179a\u17bc\u179c\u1794\u17b6\u1793\u1795\u17d2\u179f\u17b6\u179a\u1797\u17d2\u1787\u17b6\u1794\u17cb\u1787\u17b6\u1789\u17b9\u1780\u1789\u17b6\u1794\u17cb\u1794\u17c6\u1795\u17bb\u178f\u1787\u17b6\u1798\u17bd\u1799\u17d6<\/p>\n<ul>\n<li>\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u179b\u17c2\u1784\u179f\u17c0\u1782\u17d2\u179c\u17b8\u1794\u1793\u17d2\u1791\u17c7<\/li>\n<li>\u17a7\u1794\u1780\u179a\u178e\u17cd\u179f\u17b6\u1781\u17b6\u1781\u17d2\u1793\u17b6\u178f\u178f\u17bc\u1785 \u1793\u17b7\u1784\u1780\u179a\u178e\u17b8\u178a\u17c2\u179b\u1794\u17b6\u1793\u178a\u17c6\u17a1\u17be\u1784\u1787\u17b6\u1785\u17d2\u179a\u17be\u1793<\/li>\n<li>\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u179b\u17c2\u1784\u179f\u17c0\u1782\u17d2\u179c\u17b8\u1795\u17d2\u178f\u179b\u17cb\u1785\u17c6\u178e\u17b8\u1780\u17d2\u1793\u17bb\u1784\u1780\u17b6\u179a\u1785\u17c2\u1780\u1785\u17b6\u1799\u179c\u17c9\u17bb\u179b\u1791\u17b6\u1794\u1792\u1798\u17d2\u1798\u178f\u17b6\u17d4<\/li>\n<li>\u1780\u17b6\u179a\u1795\u17d2\u1782\u17bb\u17c6\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u179b\u17c2\u1784\u179f\u17c0\u1782\u17d2\u179c\u17b8\u178a\u17c2\u179b\u179a\u17c6\u1796\u17b9\u1784\u1790\u17b6\u1793\u17b9\u1784\u1794\u1798\u17d2\u179a\u17be\u1787\u17b6\u17a7\u1794\u1780\u179a\u178e\u17cd\u1780\u17b6\u179a\u1796\u17b6\u179a\u179b\u17be\u179f\u1785\u179a\u1793\u17d2\u178f\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u1796\u17b6\u178e\u17b7\u1787\u17d2\u1787\u1780\u1798\u17d2\u1798 \u1793\u17b7\u1784\u17a7\u179f\u17d2\u179f\u17b6\u17a0\u1780\u1798\u17d2\u1798\u1791\u17bc\u1791\u17c5<\/li>\n<\/ul>\n<p>\u1793\u17c1\u17c7\u1787\u17b6\u1798\u17bc\u179b\u17a0\u17c1\u178f\u17bb\u178a\u17c2\u179b UL 489 \u17a2\u1784\u17d2\u1782\u17bb\u1799\u1780\u17d2\u1794\u17c2\u179a\u1782\u17d2\u179a\u17bd\u179f\u17b6\u179a\u1795\u179b\u17b7\u178f\u1795\u179b\u178a\u17c2\u179b\u17a2\u17d2\u1793\u1780\u1791\u17b7\u1789\u1797\u17b6\u1782\u1785\u17d2\u179a\u17be\u1793\u1793\u17b9\u1784\u1796\u178e\u17cc\u1793\u17b6\u1790\u17b6\u1787\u17b6 <a href=\"https:\/\/test.viox.com\/km\/mcb\/\">MCB<\/a> \u1793\u17b7\u1784 <a href=\"https:\/\/test.viox.com\/km\/mccb\/\">MCCB<\/a> \u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1797\u17b6\u179f\u17b6\u1791\u17b8\u1795\u17d2\u179f\u17b6\u179a \u1791\u17c4\u17c7\u1794\u17b8\u1787\u17b6\u1780\u17b6\u179a\u1782\u17bc\u179f\u1795\u17c2\u1793\u1791\u17b8\u1794\u17d2\u179a\u1797\u17c1\u1791\u1796\u17b7\u178f\u1794\u17d2\u179a\u17b6\u1780\u178a\u17a2\u17b6\u179f\u17d2\u179a\u17d0\u1799\u179b\u17be\u1780\u17b6\u179a\u179a\u1785\u1793\u17b6\u1795\u179b\u17b7\u178f\u1795\u179b \u1793\u17b7\u1784\u1795\u17d2\u179b\u17bc\u179c\u1794\u1789\u17d2\u1787\u17b8\u1780\u17cf\u178a\u17c4\u1799\u17d4.<\/p>\n<p>\u1794\u17d2\u179a\u179f\u17b7\u1793\u1794\u17be\u17a2\u17d2\u1793\u1780\u1785\u1784\u17cb\u1794\u17b6\u1793\u1795\u17d2\u1793\u17c2\u1780\u1782\u17d2\u179a\u17bd\u179f\u17b6\u179a\u17a7\u1794\u1780\u179a\u178e\u17cd\u1793\u17c3\u1794\u17d2\u179a\u1792\u17b6\u1793\u1794\u1791\u1793\u17c4\u17c7, <a href=\"https:\/\/test.viox.com\/km\/full-guide-to-molded-case-circuit-breakers-mccbs\/\">\u1798\u1782\u17d2\u1782\u17bb\u1791\u17d2\u1791\u17c1\u179f\u1780\u17cd\u1796\u17c1\u1789\u179b\u17c1\u1789\u1785\u17c6\u1796\u17c4\u17c7\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u179b\u17c2\u1784\u179f\u17c0\u1782\u17d2\u179c\u17b8\u1795\u17d2\u179f\u17b7\u178f (MCCBs)<\/a> \u1782\u17ba\u1787\u17b6\u1791\u17c6\u1796\u17d0\u179a\u178a\u17c3\u1782\u17bc\u178f\u17d2\u179a\u17b9\u1798\u178f\u17d2\u179a\u17bc\u179c\u17d4.<\/p>\n<h2>\u17a2\u178f\u17d2\u1790\u1793\u17d0\u1799\u1793\u17c3 UL 1066<\/h2>\n<p><strong>UL 1066<\/strong> \u17a2\u1793\u17bb\u179c\u178f\u17d2\u178f\u1785\u17c6\u1796\u17c4\u17c7 <strong>\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u1794\u17c2\u1780\u179f\u17c0\u1782\u17d2\u179c\u17b8\u1790\u17b6\u1798\u1796\u179b AC \u1793\u17b7\u1784 DC \u179c\u17c9\u17bb\u179b\u1791\u17b6\u1794\u178a\u17c2\u179b\u1794\u17d2\u179a\u17be\u1780\u17d2\u1793\u17bb\u1784\u179f\u17d2\u179a\u17c4\u1798<\/strong>.<\/p>\n<p>\u1793\u17c1\u17c7\u1782\u17ba\u1787\u17b6\u1782\u17d2\u179a\u17bd\u179f\u17b6\u179a\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u1794\u17c2\u1780\u1781\u17bb\u179f\u1782\u17d2\u1793\u17b6\u1796\u17b8\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u1794\u17c2\u1780\u1780\u179a\u178e\u17b8\u178a\u17c2\u179b\u178f\u17d2\u179a\u17bc\u179c\u1794\u17b6\u1793\u1795\u17d2\u179f\u17b6\u179a\u1797\u17d2\u1787\u17b6\u1794\u17cb\u1787\u17b6\u1792\u1798\u17d2\u1798\u178f\u17b6\u1787\u17b6\u1798\u17bd\u1799 UL 489\u17d4 \u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1780\u17b6\u179a\u179a\u1785\u1793\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u1787\u17b6\u1780\u17cb\u179f\u17d2\u178f\u17c2\u1784 UL 1066 \u178f\u17d2\u179a\u17bc\u179c\u1794\u17b6\u1793\u1795\u17d2\u179f\u17b6\u179a\u1797\u17d2\u1787\u17b6\u1794\u17cb\u1799\u17c9\u17b6\u1784\u1787\u17b7\u178f\u179f\u17d2\u1793\u17b7\u1791\u17d2\u1792\u1791\u17c5\u1793\u17b9\u1784\u17d6<\/p>\n<ul>\n<li>switchgear<\/li>\n<li>\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u1794\u17c2\u1780\u179f\u17c0\u1782\u17d2\u179c\u17b8\u1790\u17b6\u1798\u1796\u179b\u179c\u17c9\u17bb\u179b\u1791\u17b6\u1794<\/li>\n<li>\u1780\u1798\u17d2\u1798\u179c\u17b7\u1792\u17b8\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u1794\u17c2\u1780\u1798\u17c1 \u1793\u17b7\u1784\u17a7\u1794\u1780\u179a\u178e\u17cd\u1785\u1784\u1792\u17c6\u1787\u17b6\u1784<\/li>\n<li>\u1780\u17b6\u179a\u178a\u1780\u1785\u17c1\u1789 \u17ac\u1780\u17b6\u179a\u1795\u17d2\u1782\u17bb\u17c6\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u1794\u17c2\u1780\u1790\u17b6\u1798\u1796\u179b\u178a\u17c2\u179b\u1798\u17b6\u1793\u1798\u17bc\u179b\u178a\u17d2\u178b\u17b6\u1793\u179b\u17be\u179f\u17d2\u179a\u17c4\u1798<\/li>\n<\/ul>\n<p>UL Solutions \u1780\u17cf\u1780\u178f\u17cb\u179f\u1798\u17d2\u1782\u17b6\u179b\u17cb\u1796\u17b8\u1797\u17b6\u1796\u1781\u17bb\u179f\u1782\u17d2\u1793\u17b6\u1793\u17c3\u1798\u17bb\u1781\u1784\u17b6\u179a\u178a\u17cf\u179f\u17c6\u1781\u17b6\u1793\u17cb\u1798\u17bd\u1799\u1795\u1784\u178a\u17c2\u179a\u17d6 \u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u1794\u17c2\u1780\u179f\u17c0\u1782\u17d2\u179c\u17b8\u1790\u17b6\u1798\u1796\u179b\u1791\u17b6\u17c6\u1784\u1793\u17c1\u17c7\u1782\u17ba <strong>\u1798\u17b7\u1793\u1798\u17b6\u1793\u1794\u17c6\u178e\u1784\u1795\u17d2\u178f\u179b\u17cb\u1793\u17bc\u179c\u1780\u17b6\u179a\u1780\u17b6\u179a\u1796\u17b6\u179a\u1785\u179a\u1793\u17d2\u178f\u179b\u17be\u179f\u1793\u17c3\u179f\u17c0\u1782\u17d2\u179c\u17b8\u179f\u17b6\u1781\u17b6\u178a\u17c2\u179b\u178f\u1798\u17d2\u179a\u17bc\u179c\u178a\u17c4\u1799 NEC \u1793\u17c4\u17c7\u1791\u17c1\u17d4<\/strong> \u178f\u17b6\u1798\u179a\u1794\u17c0\u1794\u178a\u17bc\u1785\u1782\u17d2\u1793\u17b6\u178a\u17c2\u179b\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u1794\u17c2\u1780\u1780\u179a\u178e\u17b8 UL 489 \u1792\u17d2\u179c\u17be\u1787\u17b6\u1791\u17bc\u1791\u17c5\u17d4.<\/p>\n<p>\u1793\u17c4\u17c7\u1782\u17ba\u1787\u17b6\u17a0\u17c1\u178f\u17bb\u1795\u179b\u178a\u17cf\u179f\u17c6\u1781\u17b6\u1793\u17cb\u1794\u17c6\u1795\u17bb\u178f\u1798\u17bd\u1799\u178a\u17c2\u179b\u17a2\u17d2\u1793\u1780\u1798\u17b7\u1793\u1782\u17bd\u179a\u1787\u17c6\u1793\u17bd\u179f \u201c\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u1794\u17c2\u1780 UL 1066\u201d \u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb \u201c\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u1794\u17c2\u1780 UL 489\u201d \u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u179b\u1780\u17d2\u1781\u178e\u17c8\u1794\u1785\u17d2\u1785\u17c1\u1780\u1791\u17c1\u179f\u178a\u17c4\u1799\u1785\u17c3\u178a\u1793\u17d2\u1799\u1793\u17c4\u17c7\u1791\u17c1\u17d4.<\/p>\n<p>\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1794\u179a\u17b7\u1794\u1791\u1782\u17d2\u179a\u17bd\u179f\u17b6\u179a\u1795\u179b\u17b7\u178f\u1795\u179b \u1794\u17d2\u179a\u1792\u17b6\u1793\u1794\u1791\u1793\u17c1\u17c7\u178f\u17d2\u179a\u17bd\u178f\u179b\u17be\u1782\u17d2\u1793\u17b6\u178a\u17c4\u1799\u1792\u1798\u17d2\u1798\u1787\u17b6\u178f\u17b7\u1787\u17b6\u1784\u1787\u17b6\u1798\u17bd\u1799 <a href=\"https:\/\/test.viox.com\/km\/acb\/\">ACB<\/a> \u1793\u17b7\u1784\u1791\u17bc\u179b\u17c6\u1791\u17bc\u179b\u17b6\u1799\u1787\u17b6\u1784 <a href=\"https:\/\/test.viox.com\/km\/complete-guide-to-air-circuit-breakers-acb\/\">\u1798\u1782\u17d2\u1782\u17bb\u1791\u17d2\u1791\u17c1\u179f\u1780\u17cd\u1796\u17c1\u1789\u179b\u17c1\u1789\u1785\u17c6\u1796\u17c4\u17c7\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u1794\u17c2\u1780\u179f\u17c0\u1782\u17d2\u179c\u17b8\u1781\u17d2\u1799\u179b\u17cb (ACB)<\/a>, \u1796\u17b8\u1796\u17d2\u179a\u17c4\u17c7\u1791\u17b8\u1793\u17c4\u17c7\u1782\u17ba\u1787\u17b6\u1780\u1793\u17d2\u179b\u17c2\u1784\u178a\u17c2\u179b\u1780\u17b6\u179a\u1796\u17b7\u1797\u17b6\u1780\u17d2\u179f\u17b6\u17a2\u17c6\u1796\u17b8\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u1794\u17c2\u1780\u1790\u17b6\u1798\u1796\u179b\u179c\u17c9\u17bb\u179b\u1791\u17b6\u1794\u1787\u17b6\u1785\u17d2\u179a\u17be\u1793\u1794\u17b6\u1793\u1794\u1789\u17d2\u1785\u1794\u17cb\u1780\u17d2\u1793\u17bb\u1784\u1780\u17b6\u179a\u17a2\u1793\u17bb\u179c\u178f\u17d2\u178f\u17d4.<\/p>\n<h2>UL 489 \u1791\u179b\u17cb\u1793\u17b9\u1784 UL 1066\u17d6 \u1797\u17b6\u1796\u1781\u17bb\u179f\u1782\u17d2\u1793\u17b6\u1796\u17b7\u178f\u1794\u17d2\u179a\u17b6\u1780\u178a<\/h2>\n<figure style=\"text-align: center; margin: 20px 0;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" src=\"https:\/\/img.viox.com\/Comparison-infographic-showing-the-differences-between-UL-489-and-UL-1066-breaker-applications.webp\" alt=\"Comparison infographic showing the differences between UL 489 and UL 1066 breaker applications\" \/><figcaption style=\"font-style: italic; margin-top: 10px; color: #555;\">\u1795\u17c2\u1793\u1791\u17b8\u178a\u17c2\u179b\u1798\u17b6\u1793\u1785\u17c6\u178e\u17b6\u179a\u1796\u1793\u17d2\u1799\u179b\u17cb\u1794\u17d2\u179a\u17c0\u1794\u1792\u17c0\u1794\u1780\u1798\u17d2\u1798\u179c\u17b7\u1792\u17b8\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u1794\u17c2\u1780\u1780\u179a\u178e\u17b8 (UL 489 \/ NEMA AB) \u1791\u179b\u17cb\u1793\u17b9\u1784\u1780\u1798\u17d2\u1798\u179c\u17b7\u1792\u17b8\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u1794\u17c2\u1780\u179f\u17c0\u1782\u17d2\u179c\u17b8\u1790\u17b6\u1798\u1796\u179b\u179c\u17c9\u17bb\u179b\u1791\u17b6\u1794 (UL 1066 \/ IEEE C37)\u17d4.<\/figcaption><\/figure>\n<p>\u1797\u17b6\u1796\u1781\u17bb\u179f\u1782\u17d2\u1793\u17b6\u178a\u17c2\u179b\u1798\u17b6\u1793\u1794\u17d2\u179a\u1799\u17c4\u1787\u1793\u17cd\u1794\u17c6\u1795\u17bb\u178f\u1782\u17ba\u1798\u17b7\u1793\u1798\u17c2\u1793 \u201c\u1798\u17bd\u1799\u178e\u17b6\u179b\u17d2\u17a2\u1787\u17b6\u1784\u201d \u1793\u17c4\u17c7\u1791\u17c1 \u1794\u17c9\u17bb\u1793\u17d2\u178f\u17c2 <strong>\u178f\u17be\u1794\u17d2\u179a\u1797\u17c1\u1791\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u1794\u17c2\u1780\u17a2\u17d2\u179c\u17b8\u178a\u17c2\u179b\u17a2\u17d2\u1793\u1780\u1780\u17c6\u1796\u17bb\u1784\u1794\u1789\u17d2\u1787\u17b6\u1780\u17cb\u1787\u17b6\u1780\u17cb\u179b\u17b6\u1780\u17cb<\/strong>.<\/p>\n<table style=\"border-collapse: collapse; width: 100%; text-align: left;\" border=\"1\">\n<thead>\n<tr>\n<th style=\"padding: 8px;\">\u179c\u17b7\u1798\u17b6\u178f\u17d2\u179a<\/th>\n<th style=\"padding: 8px;\">UL 489<\/th>\n<th style=\"padding: 8px;\">UL 1066<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 8px;\"><strong>\u1782\u17d2\u179a\u17bd\u179f\u17b6\u179a\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u1794\u17c2\u1780\u1785\u1798\u17d2\u1794\u1784<\/strong><\/td>\n<td style=\"padding: 8px;\">\u1782\u17d2\u179a\u17bd\u179f\u17b6\u179a\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u1794\u17c2\u1780\u1780\u179a\u178e\u17b8<\/td>\n<td style=\"padding: 8px;\">\u1782\u17d2\u179a\u17bd\u179f\u17b6\u179a\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u1794\u17c2\u1780\u179f\u17c0\u1782\u17d2\u179c\u17b8\u1790\u17b6\u1798\u1796\u179b\u179c\u17c9\u17bb\u179b\u1791\u17b6\u1794<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>\u1794\u179a\u17b7\u1794\u1791\u178a\u17c6\u17a1\u17be\u1784\u1792\u1798\u17d2\u1798\u178f\u17b6<\/strong><\/td>\n<td style=\"padding: 8px;\">\u1794\u1793\u17d2\u1791\u17c7\u1780\u17d2\u178f\u17b6\u179a \u179f\u17c0\u1782\u17d2\u179c\u17b8\u179f\u17b6\u1781\u17b6 \u1793\u17b7\u1784\u17a7\u1794\u1780\u179a\u178e\u17cd\u1795\u17d2\u1782\u178f\u17cb\u1795\u17d2\u1782\u1784\u17cb \u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u1785\u17c2\u1780\u1785\u17b6\u1799\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a<\/td>\n<td style=\"padding: 8px;\">\u1794\u17d2\u178f\u17bc\u179a\u17a7\u1794\u1780\u179a\u178e\u17cd \u1798\u17c1 \u1785\u1784 \u1780\u17b6\u179a\u1795\u17d2\u1782\u17bb\u17c6\u1785\u17c2\u1780\u1785\u17b6\u1799\u1790\u17b6\u1798\u1796\u179b\u1792\u17c6\u1787\u17b6\u1784<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>\u178f\u17bd\u1793\u17b6\u1791\u17b8\u1780\u17b6\u179a\u1796\u17b6\u179a<\/strong><\/td>\n<td style=\"padding: 8px;\">\u178f\u17d2\u179a\u17bc\u179c\u1794\u17b6\u1793\u1794\u17d2\u179a\u17be\u1787\u17b6\u1791\u17bc\u1791\u17c5\u1787\u17b6\u17a7\u1794\u1780\u179a\u178e\u17cd\u1780\u17b6\u179a\u1796\u17b6\u179a\u1785\u179a\u1793\u17d2\u178f\u179b\u17be\u179f\u1793\u17c3\u179f\u17b6\u1781\u17b6 \/ \u17a7\u1794\u1780\u179a\u178e\u17cd\u1795\u17d2\u1782\u178f\u17cb\u1795\u17d2\u1782\u1784\u17cb\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a<\/td>\n<td style=\"padding: 8px;\">\u178f\u17d2\u179a\u17bc\u179c\u1794\u17b6\u1793\u1794\u17d2\u179a\u17be\u1787\u17b6\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u1794\u17c2\u1780\u179f\u17c0\u1782\u17d2\u179c\u17b8\u1790\u17b6\u1798\u1796\u179b\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1794\u179a\u17b7\u1794\u1791\u179f\u17d2\u179a\u17c4\u1798 \u1793\u17b7\u1784\u1794\u17d2\u178f\u17bc\u179a\u17a7\u1794\u1780\u179a\u178e\u17cd<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px;\"><strong>\u179f\u1798\u17b6\u1782\u1798\u1791\u17b8\u1795\u17d2\u179f\u17b6\u179a\u1792\u1798\u17d2\u1798\u178f\u17b6<\/strong><\/td>\n<td style=\"padding: 8px;\">\u1795\u17d2\u1793\u17c2\u1780 MCB \/ MCCB \u1793\u17c3\u1791\u17b8\u1795\u17d2\u179f\u17b6\u179a<\/td>\n<td style=\"padding: 8px;\">\u1795\u17d2\u1793\u17c2\u1780\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u1794\u17c2\u1780\u1790\u17b6\u1798\u1796\u179b LV \/ ACB \u1793\u17c3\u1791\u17b8\u1795\u17d2\u179f\u17b6\u179a<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u1793\u17c1\u17c7\u1780\u17cf\u1787\u17b6\u1798\u17bc\u179b\u17a0\u17c1\u178f\u17bb\u178a\u17c2\u179b\u179c\u17b7\u179f\u17d2\u179c\u1780\u179a\u1782\u17bd\u179a\u178f\u17c2\u1794\u17d2\u179a\u17bb\u1784\u1794\u17d2\u179a\u1799\u17d0\u178f\u17d2\u1793\u1793\u17c5\u1796\u17c1\u179b\u1794\u17d2\u179a\u17c0\u1794\u1792\u17c0\u1794\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u1794\u17c2\u1780\u1780\u179a\u178e\u17b8\u178a\u17c4\u1799\u1795\u17d2\u1791\u17b6\u179b\u17cb\u1787\u17b6\u1798\u17bd\u1799\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u1794\u17c2\u1780\u179f\u17c0\u1782\u17d2\u179c\u17b8\u1790\u17b6\u1798\u1796\u179b\u179c\u17c9\u17bb\u179b\u1791\u17b6\u1794\u17d4 \u1795\u17d2\u179b\u17bc\u179c\u1794\u1789\u17d2\u1787\u17b6\u1780\u17cb \u179f\u17c6\u178e\u1784\u17cb\u179a\u17bc\u1794\u179c\u1793\u17d2\u178f \u1780\u17b6\u179a\u179a\u17c6\u1796\u17b9\u1784\u1791\u17bb\u1780\u1793\u17c3\u1780\u17b6\u179a\u1790\u17c2\u1791\u17b6\u17c6 \u1793\u17b7\u1784\u1780\u1798\u17d2\u1798\u179c\u17b7\u1792\u17b8\u178a\u17c2\u179b\u1794\u17b6\u1793\u1782\u17d2\u179a\u17c4\u1784\u1791\u17bb\u1780\u1782\u17ba\u1798\u17b7\u1793\u178a\u17bc\u1785\u1782\u17d2\u1793\u17b6\u1791\u17c1\u17d4.<\/p>\n<h2>\u17a2\u178f\u17d2\u1790\u1793\u17d0\u1799\u1796\u17b7\u178f\u1794\u17d2\u179a\u17b6\u1780\u178a\u1793\u17c3 \u201cNEMA AB\u201d<\/h2>\n<p>\u1780\u17b6\u179a\u1794\u17c6\u1797\u17d2\u179b\u17ba\u178a\u17c2\u179b\u1798\u17b6\u1793\u1794\u17d2\u179a\u1799\u17c4\u1787\u1793\u17cd\u1794\u17c6\u1795\u17bb\u178f\u1798\u17bd\u1799\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1794\u17d2\u179a\u1792\u17b6\u1793\u1794\u1791\u1793\u17c1\u17c7\u1782\u17ba\u1790\u17b6 <strong>NEMA AB \u1798\u17b7\u1793\u1798\u17c2\u1793\u1787\u17b6\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a\u1794\u17d2\u179a\u1780\u17bd\u178f\u1794\u17d2\u179a\u1787\u17c2\u1784\u178f\u17c2\u1798\u17bd\u1799\u1794\u17d2\u179a\u1786\u17b6\u17c6\u1784\u1793\u17b9\u1784 UL \u1793\u17c4\u17c7\u1791\u17c1\u17d4<\/strong>.<\/p>\n<p>\u179c\u17b6\u1782\u17ba\u1787\u17b6\u1782\u17d2\u179a\u17bd\u179f\u17b6\u179a\u17af\u1780\u179f\u17b6\u179a\u178a\u17c2\u179b\u1797\u17d2\u1787\u17b6\u1794\u17cb\u1791\u17c5\u1793\u17b9\u1784\u1780\u17d2\u179a\u17bb\u1798\u1795\u179b\u17b7\u178f\u1795\u179b\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u1794\u17c2\u1780\u179f\u17c0\u1782\u17d2\u179c\u17b8\u1780\u179a\u178e\u17b8\u17d4.<\/p>\n<h3>NEMA AB 1<\/h3>\n<p>\u1787\u17b6\u1794\u17d2\u179a\u179c\u178f\u17d2\u178f\u17b7\u179f\u17b6\u179f\u17d2\u178f\u17d2\u179a, <strong>NEMA AB 1<\/strong> \u1782\u17ba\u1787\u17b6\u17af\u1780\u179f\u17b6\u179a\u1795\u179b\u17b7\u178f\u1795\u179b\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u1794\u17c2\u1780\u1780\u179a\u178e\u17b8\u178a\u17c2\u179b\u1791\u17b6\u1780\u17cb\u1791\u1784\u1799\u17c9\u17b6\u1784\u1787\u17b7\u178f\u179f\u17d2\u1793\u17b7\u1791\u17d2\u1792\u1794\u17c6\u1795\u17bb\u178f\u1787\u17b6\u1798\u17bd\u1799\u1782\u17d2\u179a\u17bd\u179f\u17b6\u179a\u1795\u179b\u17b7\u178f\u1795\u179b\u178a\u17bc\u1785\u1782\u17d2\u1793\u17b6\u1791\u17c5\u1793\u17b9\u1784 <strong>UL 489<\/strong>. \u17d4 \u179c\u17b7\u179f\u17d2\u179c\u1780\u179a\u1787\u17b6\u1785\u17d2\u179a\u17be\u1793\u1793\u17c5\u178f\u17c2\u179b\u17be\u1780\u17a1\u17be\u1784\u1796\u17b8\u179c\u17b6 \u1796\u17b8\u1796\u17d2\u179a\u17c4\u17c7\u17a2\u1780\u17d2\u179f\u179a\u179f\u17b7\u179b\u17d2\u1794\u17cd\u1785\u17b6\u179f\u17cb \u17af\u1780\u179f\u17b6\u179a\u1795\u179b\u17b7\u178f\u1795\u179b \u1793\u17b7\u1784\u17af\u1780\u179f\u17b6\u179a\u178e\u17c2\u1793\u17b6\u17c6\u1794\u17d2\u179a\u17be\u1794\u17d2\u179a\u17b6\u179f\u17cb\u1797\u17b6\u179f\u17b6 AB 1 \u1787\u17b6\u1798\u17bd\u1799 UL 489 \u17d4.<\/p>\n<p>\u1791\u17c4\u17c7\u1799\u17c9\u17b6\u1784\u178e\u17b6\u1780\u17cf\u178a\u17c4\u1799 \u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1780\u17b6\u179a\u17a2\u1793\u17bb\u179c\u178f\u17d2\u178f\u1787\u17b6\u1780\u17cb\u179f\u17d2\u178f\u17c2\u1784\u1793\u17c5\u17a2\u17b6\u1798\u17c1\u179a\u17b7\u1780\u1781\u17b6\u1784\u1787\u17be\u1784 \u1785\u17c6\u178e\u17bb\u1785\u179f\u17c6\u1781\u17b6\u1793\u17cb\u1787\u17b6\u1784\u1793\u17c1\u17c7\u1782\u17ba\u1790\u17b6 \u1780\u17d2\u179a\u1794\u1781\u17d0\u178e\u17d2\u178c\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a\u1795\u179b\u17b7\u178f\u1795\u179b\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u1794\u17c2\u1780\u1780\u179a\u178e\u17b8\u17a5\u17a1\u17bc\u179c\u1793\u17c1\u17c7\u178f\u17d2\u179a\u17bc\u179c\u1794\u17b6\u1793\u1782\u17c1\u1799\u179b\u17cb\u1787\u17b6\u1791\u17bc\u1791\u17c5\u178f\u17b6\u1798\u179a\u1799\u17c8 <strong>\u1780\u17b6\u179a\u178f\u1798\u17d2\u179a\u17b9\u1798\u178f\u17d2\u179a\u17b8\u1797\u17b6\u1782\u17b8 UL 489 \/ CSA C22.2 \u179b\u17c1\u1781 5 \/ NMX-J-266-ANCE<\/strong>. \u17d4 \u178a\u17bc\u1785\u17d2\u1793\u17c1\u17c7 \u1794\u17d2\u179a\u179f\u17b7\u1793\u1794\u17be\u17a2\u17d2\u1793\u1780\u1783\u17be\u1789 AB 1 \u178f\u17d2\u179a\u17bc\u179c\u1794\u17b6\u1793\u179b\u17be\u1780\u17a1\u17be\u1784\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u179f\u1798\u17d2\u1797\u17b6\u179a\u17c8\u1785\u17b6\u179f\u17cb \u179f\u17bc\u1798\u1785\u17b6\u178f\u17cb\u1791\u17bb\u1780\u179c\u17b6\u1787\u17b6\u1795\u17d2\u1793\u17c2\u1780\u1798\u17bd\u1799\u1793\u17c3\u1794\u17d2\u179a\u179c\u178f\u17d2\u178f\u17b7\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u1794\u17c2\u1780\u1780\u179a\u178e\u17b8 \u1793\u17b7\u1784\u1781\u17d2\u179f\u17c2\u179f\u17d2\u179a\u17a1\u17b6\u1799\u1782\u17d2\u179a\u17bd\u179f\u17b6\u179a\u1795\u179b\u17b7\u178f\u1795\u179b \u1798\u17b7\u1793\u1798\u17c2\u1793\u1787\u17b6\u17a2\u1780\u17d2\u179f\u179a\u1780\u17b6\u178f\u17cb\u1794\u1785\u17d2\u1785\u17bb\u1794\u17d2\u1794\u1793\u17d2\u1793\u178f\u17c2\u1798\u17bd\u1799\u1782\u178f\u17cb\u178a\u17c2\u179b\u17a2\u17d2\u1793\u1780\u178f\u17d2\u179a\u17bc\u179c\u1796\u17b9\u1784\u1795\u17d2\u17a2\u17c2\u1780\u179b\u17be\u1793\u17c4\u17c7\u1791\u17c1\u17d4.<\/p>\n<h3>NEMA AB 4<\/h3>\n<p>NEMA AB 4 \u1782\u17ba\u1787\u17b6\u17af\u1780\u179f\u17b6\u179a\u178a\u17c2\u179b\u1795\u17d2\u178f\u17c4\u178f\u179b\u17be\u1780\u17b6\u179a\u1790\u17c2\u1791\u17b6\u17c6\u17d4 \u179c\u17b6\u1795\u17d2\u178f\u179b\u17cb\u1793\u17bc\u179c\u1780\u17b6\u179a\u178e\u17c2\u1793\u17b6\u17c6\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1780\u17b6\u179a\u178f\u17d2\u179a\u17bd\u178f\u1796\u17b7\u1793\u17b7\u178f\u17d2\u1799 \u1793\u17b7\u1784\u1780\u17b6\u179a\u1790\u17c2\u1791\u17b6\u17c6\u1794\u1784\u17d2\u1780\u17b6\u179a\u1793\u17c3\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u1794\u17c2\u1780\u179f\u17c0\u1782\u17d2\u179c\u17b8\u1780\u179a\u178e\u17b8\u178a\u17c2\u179b\u1794\u17d2\u179a\u17be\u1780\u17d2\u1793\u17bb\u1784\u1780\u1798\u17d2\u1798\u179c\u17b7\u1792\u17b8\u1796\u17b6\u178e\u17b7\u1787\u17d2\u1787\u1780\u1798\u17d2\u1798 \u1793\u17b7\u1784\u17a7\u179f\u17d2\u179f\u17b6\u17a0\u1780\u1798\u17d2\u1798\u17d4.<\/p>\n<p>\u1793\u17c4\u17c7\u1792\u17d2\u179c\u17be\u17b1\u17d2\u1799 AB 4 \u1798\u17b6\u1793\u1794\u17d2\u179a\u1799\u17c4\u1787\u1793\u17cd\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u17d6<\/p>\n<ul>\n<li>\u1780\u1798\u17d2\u1798\u179c\u17b7\u1792\u17b8\u1790\u17c2\u1791\u17b6\u17c6<\/li>\n<li>\u179c\u17b7\u179f\u17d2\u179c\u1780\u1798\u17d2\u1798\u1794\u179a\u17b7\u1780\u17d2\u1781\u17b6\u179a<\/li>\n<li>\u1780\u17b6\u179a\u1792\u17d2\u179c\u17be\u1795\u17c2\u1793\u1780\u17b6\u179a\u178f\u17d2\u179a\u17bd\u178f\u1796\u17b7\u1793\u17b7\u178f\u17d2\u1799\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u1794\u17c2\u1780\u1796\u17b6\u178e\u17b7\u1787\u17d2\u1787\u1780\u1798\u17d2\u1798 \u1793\u17b7\u1784\u17a7\u179f\u17d2\u179f\u17b6\u17a0\u1780\u1798\u17d2\u1798<\/li>\n<\/ul>\n<h3>\u17af\u1780\u179f\u17b6\u179a NEMA AB \u1795\u17d2\u179f\u17c1\u1784\u1791\u17c0\u178f<\/h3>\n<p>\u179c\u17b6\u1780\u17cf\u1798\u17b6\u1793\u17af\u1780\u179f\u17b6\u179a\u179f\u17ca\u17c1\u179a\u17b8 AB \u1795\u17d2\u179f\u17c1\u1784\u1791\u17c0\u178f\u1795\u1784\u178a\u17c2\u179a \u179a\u17bd\u1798\u1798\u17b6\u1793\u17d6<\/p>\n<ul>\n<li><strong>AB 3<\/strong> \u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1780\u17b6\u179a\u178e\u17c2\u1793\u17b6\u17c6\u17a2\u17c6\u1796\u17b8\u1780\u1798\u17d2\u1798\u179c\u17b7\u1792\u17b8\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u1794\u17c2\u1780\u179f\u17c0\u1782\u17d2\u179c\u17b8\u1780\u179a\u178e\u17b8<\/li>\n<li><strong>AB 4<\/strong> \u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1780\u17b6\u179a\u178f\u17d2\u179a\u17bd\u178f\u1796\u17b7\u1793\u17b7\u178f\u17d2\u1799 \u1793\u17b7\u1784\u1780\u17b6\u179a\u1790\u17c2\u1791\u17b6\u17c6\u1794\u1784\u17d2\u1780\u17b6\u179a<\/li>\n<li><strong>AB 5<\/strong> \u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1780\u17b6\u179a\u178e\u17c2\u1793\u17b6\u17c6\u17a2\u17c6\u1796\u17b8\u1780\u17b6\u179a\u179f\u1798\u17d2\u179a\u1794\u179f\u1798\u17d2\u179a\u17bd\u179b\u1787\u17d2\u179a\u17be\u179f\u179a\u17be\u179f\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u1794\u17c2\u1780\u179c\u17c9\u17bb\u179b\u1791\u17b6\u1794<\/li>\n<\/ul>\n<p>\u1785\u17c6\u178e\u17bb\u1785\u179f\u17c6\u1781\u17b6\u1793\u17cb\u1782\u17ba\u1790\u17b6 \u201cNEMA AB\u201d \u1782\u17bd\u179a\u178f\u17c2\u178f\u17d2\u179a\u17bc\u179c\u1794\u17b6\u1793\u17a2\u17b6\u1793\u1787\u17b6 <strong>\u1782\u17d2\u179a\u17bd\u179f\u17b6\u179a\u1793\u17c3\u17af\u1780\u179f\u17b6\u179a\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u1794\u17c2\u1780\u1780\u179a\u178e\u17b8<\/strong>, \u1798\u17b7\u1793\u1798\u17c2\u1793\u1787\u17b6\u179f\u17d2\u179b\u17b6\u1780\u178f\u17c2\u1798\u17bd\u1799\u178a\u17c2\u179b\u1787\u17c6\u1793\u17bd\u179f UL, NEC \u17ac\u1780\u17d2\u179a\u1794\u1781\u17d0\u178e\u17d2\u178c\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a\u1795\u179b\u17b7\u178f\u1795\u179b\u178f\u17d2\u179a\u17b8\u1797\u17b6\u1782\u17b8\u178a\u17c2\u179b\u17a5\u17a1\u17bc\u179c\u1793\u17c1\u17c7\u178f\u17d2\u179a\u17bc\u179c\u1794\u17b6\u1793\u1794\u17d2\u179a\u17be\u1780\u17d2\u1793\u17bb\u1784\u1780\u17b6\u179a\u17a2\u1793\u17bb\u179c\u178f\u17d2\u178f\u1787\u17b6\u1780\u17cb\u179f\u17d2\u178f\u17c2\u1784\u1793\u17c5\u17a2\u17b6\u1798\u17c1\u179a\u17b7\u1780\u1781\u17b6\u1784\u1787\u17be\u1784\u1793\u17c4\u17c7\u1791\u17c1\u17d4.<\/p>\n<h2>\u1780\u1793\u17d2\u179b\u17c2\u1784\u178a\u17c2\u179b IEEE C37 \u179f\u1798<\/h2>\n<p>\u1794\u17d2\u179a\u179f\u17b7\u1793\u1794\u17be NEMA AB \u1782\u17ba\u1787\u17b6\u1795\u17d2\u1793\u17c2\u1780\u1782\u17d2\u179a\u17bd\u179f\u17b6\u179a\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u1794\u17c2\u1780\u1780\u179a\u178e\u17b8\u1793\u17c3\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u17a2\u17c1\u1780\u17bc\u17a1\u17bc\u179f\u17ca\u17b8\u179a\u1794\u179f\u17cb\u179f\u17a0\u179a\u178a\u17d2\u178b\u17a2\u17b6\u1798\u17c1\u179a\u17b7\u1780, <strong>IEEE C37<\/strong> \u1782\u17ba\u1787\u17b6\u1795\u17d2\u1793\u17c2\u1780\u1782\u17d2\u179a\u17bd\u179f\u17b6\u179a\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17d2\u178f\u17bc\u179a\u1790\u17b6\u1798\u1796\u179b\u179c\u17c9\u17bb\u179b\u1791\u17b6\u1794 \u1793\u17b7\u1784\u1798\u1792\u17d2\u1799\u1798\u178a\u17cf\u179f\u17c6\u1781\u17b6\u1793\u17cb\u17d4.<\/p>\n<p>\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1780\u17b6\u179a\u1796\u17b7\u1797\u17b6\u1780\u17d2\u179f\u17b6\u17a2\u17c6\u1796\u17b8\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u1794\u17c2\u1780\u179f\u17c0\u1782\u17d2\u179c\u17b8\u1790\u17b6\u1798\u1796\u179b\u179c\u17c9\u17bb\u179b\u1791\u17b6\u1794 \u17af\u1780\u179f\u17b6\u179a C37 \u178a\u17c2\u179b\u1796\u17b6\u1780\u17cb\u1796\u17d0\u1793\u17d2\u1792\u1794\u17c6\u1795\u17bb\u178f\u1787\u17b6\u1792\u1798\u17d2\u1798\u178f\u17b6\u179a\u17bd\u1798\u1798\u17b6\u1793\u17d6<\/p>\n<ul>\n<li><strong>IEEE C37.13<\/strong> \u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u17a7\u1794\u1780\u179a\u178e\u17cd\u1795\u17d2\u178f\u17b6\u1785\u17cb\u179f\u17c0\u1782\u17d2\u179c\u17b8\u1790\u17b6\u1798\u1796\u179b AC \u179c\u17c9\u17bb\u179b\u1791\u17b6\u1794\u178a\u17c2\u179b\u1794\u17d2\u179a\u17be\u1780\u17d2\u1793\u17bb\u1784\u1794\u17d2\u179a\u17a2\u1794\u17cb\u1796\u17d0\u1791\u17d2\u1792\u1787\u17bb\u17c6\u179c\u17b7\u1789<\/li>\n<li><strong>IEEE C37.14<\/strong> \u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u17a7\u1794\u1780\u179a\u178e\u17cd\u1795\u17d2\u178f\u17b6\u1785\u17cb\u179f\u17c0\u1782\u17d2\u179c\u17b8\u1790\u17b6\u1798\u1796\u179b DC \u179c\u17c9\u17bb\u179b\u1791\u17b6\u1794\u178a\u17c2\u179b\u1794\u17d2\u179a\u17be\u1780\u17d2\u1793\u17bb\u1784\u1794\u17d2\u179a\u17a2\u1794\u17cb\u1796\u17d0\u1791\u17d2\u1792\u1787\u17bb\u17c6\u179c\u17b7\u1789<\/li>\n<li><strong>IEEE C37.16<\/strong> \u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1785\u17c6\u178e\u17b6\u178f\u17cb\u1790\u17d2\u1793\u17b6\u1780\u17cb\u178a\u17c2\u179b\u1796\u17c1\u1789\u1785\u17b7\u178f\u17d2\u178f \u1793\u17b7\u1784\u17a2\u1793\u17bb\u179f\u17b6\u179f\u1793\u17cd\u1780\u1798\u17d2\u1798\u179c\u17b7\u1792\u17b8\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u17a7\u1794\u1780\u179a\u178e\u17cd\u1795\u17d2\u178f\u17b6\u1785\u17cb\u179f\u17c0\u1782\u17d2\u179c\u17b8\u1790\u17b6\u1798\u1796\u179b\u179c\u17c9\u17bb\u179b\u1791\u17b6\u1794<\/li>\n<li><strong>IEEE C37.17<\/strong> \u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u1791\u17d2\u179a\u17b8\u1794\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u17a7\u1794\u1780\u179a\u178e\u17cd\u1795\u17d2\u178f\u17b6\u1785\u17cb\u179f\u17c0\u1782\u17d2\u179c\u17b8\u1790\u17b6\u1798\u1796\u179b\u179c\u17c9\u17bb\u179b\u1791\u17b6\u1794<\/li>\n<li><strong>IEEE C37.20.1<\/strong> \u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17d2\u178f\u17bc\u179a\u17a7\u1794\u1780\u179a\u178e\u17cd\u1795\u17d2\u178f\u17b6\u1785\u17cb\u179f\u17c0\u1782\u17d2\u179c\u17b8\u1790\u17b6\u1798\u1796\u179b\u179c\u17c9\u17bb\u179b\u1791\u17b6\u1794\u178a\u17c2\u179b\u1796\u17d0\u1791\u17d2\u1792\u1787\u17bb\u17c6\u179c\u17b7\u1789\u178a\u17c4\u1799\u179b\u17c4\u17a0\u17c8<\/li>\n<li><strong>ANSI\/NEMA C37.50<\/strong> \u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1793\u17b8\u178f\u17b7\u179c\u17b7\u1792\u17b8\u1792\u17d2\u179c\u17be\u178f\u17c1\u179f\u17d2\u178f\u17a7\u1794\u1780\u179a\u178e\u17cd\u1795\u17d2\u178f\u17b6\u1785\u17cb\u179f\u17c0\u1782\u17d2\u179c\u17b8\u1790\u17b6\u1798\u1796\u179b AC \u179c\u17c9\u17bb\u179b\u1791\u17b6\u1794<\/li>\n<li><strong>ANSI\/NEMA C37.51<\/strong> \u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1793\u17b8\u178f\u17b7\u179c\u17b7\u1792\u17b8\u1792\u17d2\u179c\u17be\u178f\u17c1\u179f\u17d2\u178f\u17a2\u1793\u17bb\u179b\u17c4\u1798\u1797\u17b6\u1796\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u17a7\u1794\u1780\u179a\u178e\u17cd\u178a\u17c6\u17a1\u17be\u1784\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17d2\u178f\u17bc\u179a\u17a7\u1794\u1780\u179a\u178e\u17cd\u1795\u17d2\u178f\u17b6\u1785\u17cb\u179f\u17c0\u1782\u17d2\u179c\u17b8\u1790\u17b6\u1798\u1796\u179b\u179c\u17c9\u17bb\u179b\u1791\u17b6\u1794\u178a\u17c2\u179b\u1796\u17d0\u1791\u17d2\u1792\u1787\u17bb\u17c6\u179c\u17b7\u1789\u178a\u17c4\u1799\u179b\u17c4\u17a0\u17c8<\/li>\n<\/ul>\n<p>\u1793\u17c1\u17c7\u1787\u17b6\u1798\u17bc\u179b\u17a0\u17c1\u178f\u17bb\u178a\u17c2\u179b\u1780\u17b6\u179a\u1784\u17b6\u179a\u17a7\u1794\u1780\u179a\u178e\u17cd\u1795\u17d2\u178f\u17b6\u1785\u17cb\u179f\u17c0\u1782\u17d2\u179c\u17b8\u1790\u17b6\u1798\u1796\u179b\u179c\u17c9\u17bb\u179b\u1791\u17b6\u1794\u1792\u17d2\u1784\u1793\u17cb\u1792\u17d2\u1784\u179a\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1791\u17b8\u1795\u17d2\u179f\u17b6\u179a\u179f\u17a0\u179a\u178a\u17d2\u178b\u17a2\u17b6\u1798\u17c1\u179a\u17b7\u1780 \u1787\u17b6\u179a\u17bf\u1799\u17d7\u1791\u17b6\u1789\u17a2\u17d2\u1793\u1780\u17b1\u17d2\u1799\u17a0\u17bd\u179f\u1796\u17b8 UL 1066 \u178f\u17c2\u1798\u17d2\u1793\u17b6\u1780\u17cb\u17af\u1784 \u17a0\u17be\u1799\u1785\u17bc\u179b\u1791\u17c5\u1780\u17d2\u1793\u17bb\u1784\u179c\u17b7\u179f\u17b6\u179b\u1797\u17b6\u1796\u1780\u17b6\u1793\u17cb\u178f\u17c2\u1791\u17bc\u179b\u17c6\u1791\u17bc\u179b\u17b6\u1799 <strong>\u1782\u17d2\u179a\u17bd\u179f\u17b6\u179a C37<\/strong>.<\/p>\n<h2>\u17a0\u17c1\u178f\u17bb\u17a2\u17d2\u179c\u17b8\u1794\u17b6\u1793\u1787\u17b6\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a C37 \u1781\u17d2\u179b\u17c7\u178f\u17d2\u179a\u17bc\u179c\u1794\u17b6\u1793\u1782\u17c1\u17a0\u17c5\u1790\u17b6 IEEE \u17a0\u17be\u1799\u1781\u17d2\u179b\u17c7\u1791\u17c0\u178f ANSI\/NEMA<\/h2>\n<p>\u179a\u17bf\u1784\u1793\u17c1\u17c7\u1792\u17d2\u179c\u17be\u17b1\u17d2\u1799\u17a2\u17d2\u1793\u1780\u17a2\u17b6\u1793\u1787\u17b6\u1785\u17d2\u179a\u17be\u1793\u1798\u17b6\u1793\u1780\u17b6\u179a\u1797\u17d0\u1793\u17d2\u178f\u1785\u17d2\u179a\u17a1\u17c6\u1793\u17c5\u1796\u17c1\u179b\u178a\u17c2\u179b\u1796\u17bd\u1780\u1782\u17c1\u1794\u17b6\u1793\u1783\u17be\u1789\u179c\u17b6\u1787\u17b6\u179b\u17be\u1780\u178a\u17c6\u1794\u17bc\u1784\u17d4.<\/p>\n<p>\u1785\u1798\u17d2\u179b\u17be\u1799\u1781\u17d2\u179b\u17b8\u1782\u17ba\u1790\u17b6 <strong>C37 \u1782\u17ba\u1787\u17b6\u1780\u17d2\u179a\u17bb\u1798\u1782\u17d2\u179a\u17bd\u179f\u17b6\u179a<\/strong>, \u1794\u17c9\u17bb\u1793\u17d2\u178f\u17c2\u1795\u17d2\u179b\u17bc\u179c\u1793\u17c3\u1780\u17b6\u179a\u1794\u17c4\u17c7\u1796\u17bb\u1798\u17d2\u1796\u1795\u17d2\u179f\u17b6\u1799\u1798\u17b7\u1793\u178f\u17c2\u1784\u178f\u17c2\u178f\u17d2\u179a\u17bc\u179c\u1794\u17b6\u1793\u178a\u17b6\u1780\u17cb\u179f\u17d2\u179b\u17b6\u1780\u178f\u17b6\u1798\u179a\u1794\u17c0\u1794\u178a\u17bc\u1785\u1782\u17d2\u1793\u17b6\u1793\u17c5\u179b\u17be\u17af\u1780\u179f\u17b6\u179a\u1793\u17b8\u1798\u17bd\u1799\u17d7\u1793\u17c4\u17c7\u1791\u17c1\u17d4.<\/p>\n<p>\u1780\u17d2\u1793\u17bb\u1784\u1780\u17b6\u179a\u17a2\u1793\u17bb\u179c\u178f\u17d2\u178f\u1787\u17b6\u1780\u17cb\u179f\u17d2\u178f\u17c2\u1784\u17d6<\/p>\n<ul>\n<li>\u17af\u1780\u179f\u17b6\u179a\u178a\u17bc\u1785\u1787\u17b6 <strong>C37.13<\/strong>, <strong>C37.14<\/strong>, <strong>C37.17<\/strong>, \u1793\u17b7\u1784 <strong>C37.20.1<\/strong> \u1787\u17b6\u1791\u17bc\u1791\u17c5\u178f\u17d2\u179a\u17bc\u179c\u1794\u17b6\u1793\u1787\u17bd\u1794\u1794\u17d2\u179a\u1791\u17c7\u1793\u17c5\u1780\u17d2\u179a\u17c4\u1798 <strong>\u17a2\u17ca\u17b8\u17a2\u17ca\u17b8<\/strong> \u1795\u17d2\u179b\u17bc\u179c<\/li>\n<li>\u17af\u1780\u179f\u17b6\u179a\u178a\u17bc\u1785\u1787\u17b6 <strong>C37.50<\/strong> \u1793\u17b7\u1784 <strong>C37.51<\/strong> \u1787\u17b6\u179a\u17bf\u1799\u17d7\u178f\u17d2\u179a\u17bc\u179c\u1794\u17b6\u1793\u1787\u17bd\u1794\u1794\u17d2\u179a\u1791\u17c7\u1787\u17b6 <strong>ANSI\/NEMA<\/strong> \u17af\u1780\u179f\u17b6\u179a<\/li>\n<\/ul>\n<p>\u17a2\u17d2\u179c\u17b8\u178a\u17c2\u179b\u179f\u17c6\u1781\u17b6\u1793\u17cb\u1782\u17ba\u1798\u17b7\u1793\u1798\u17c2\u1793\u1790\u17b6\u1796\u17bd\u1780\u179c\u17b6\u1787\u17b6\u1780\u1798\u17d2\u1798\u179f\u17b7\u1791\u17d2\u1792\u17b7\u179a\u1794\u179f\u17cb\u1785\u1780\u17d2\u179a\u179c\u17b6\u17a1\u1794\u1785\u17d2\u1785\u17c1\u1780\u1791\u17c1\u179f\u1795\u17d2\u179f\u17c1\u1784\u1782\u17d2\u1793\u17b6\u1793\u17c4\u17c7\u1791\u17c1\u17d4 \u17a2\u17d2\u179c\u17b8\u178a\u17c2\u179b\u179f\u17c6\u1781\u17b6\u1793\u17cb\u1782\u17ba\u1790\u17b6 <strong>\u1796\u17bd\u1780\u179c\u17b6\u1787\u17b6\u17af\u1780\u179f\u17b6\u179a\u178a\u17c2\u179b\u1791\u17b6\u1780\u17cb\u1791\u1784\u1782\u17d2\u1793\u17b6\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1780\u17d2\u179a\u1794\u1781\u17d0\u178e\u17d2\u178c\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17d2\u178f\u17bc\u179a\u1780\u17b6\u1793\u17cb\u178f\u17c2\u1791\u17bc\u179b\u17c6\u1791\u17bc\u179b\u17b6\u1799 C37 \u1794\u17c9\u17bb\u1793\u17d2\u178f\u17c2\u1795\u17d2\u179b\u17bc\u179c\u1793\u17c3\u1780\u17b6\u179a\u1794\u17c4\u17c7\u1796\u17bb\u1798\u17d2\u1796\u1795\u17d2\u179f\u17b6\u1799 \u1793\u17b7\u1784\u1780\u17b6\u179a\u17a2\u1793\u17bb\u1798\u17d0\u178f\u178a\u17c2\u179b\u1794\u17b6\u1793\u1794\u1784\u17d2\u17a0\u17b6\u1789\u1793\u17c5\u179b\u17be\u1782\u1798\u17d2\u179a\u1794\u17a2\u17b6\u1785\u1781\u17bb\u179f\u1782\u17d2\u1793\u17b6<\/strong>.<\/p>\n<h2>\u17a2\u17d2\u179c\u17b8\u178a\u17c2\u179b NEC \u1792\u17d2\u179c\u17be \u1793\u17b7\u1784\u1798\u17b7\u1793\u1792\u17d2\u179c\u17be<\/h2>\n<p>\u1793\u17c1\u17c7\u17d4 <strong>\u179b\u17c1\u1781\u1780\u17bc\u178a\u17a2\u1782\u17d2\u1782\u17b7\u179f\u1793\u17b8\u1787\u17b6\u178f\u17b7 (\u1782.\u1787.\u1794)<\/strong> \u1782\u17ba\u1787\u17b6\u1780\u17bc\u178a\u178a\u17c6\u17a1\u17be\u1784\u17d4 \u179c\u17b6\u1794\u17d2\u179a\u17b6\u1794\u17cb\u17a2\u17d2\u1793\u1780\u179a\u1785\u1793\u17b6 \u17a2\u17d2\u1793\u1780\u178a\u17c6\u17a1\u17be\u1784 \u1793\u17b7\u1784\u17a2\u1792\u17b7\u1780\u17b6\u179a\u17a2\u17c6\u1796\u17b8\u179a\u1794\u17c0\u1794\u178a\u17c2\u179b\u17a7\u1794\u1780\u179a\u178e\u17cd\u17a2\u1782\u17d2\u1782\u17b7\u179f\u1793\u17b8\u178f\u17d2\u179a\u17bc\u179c\u178f\u17c2\u178f\u17d2\u179a\u17bc\u179c\u1794\u17b6\u1793\u17a2\u1793\u17bb\u179c\u178f\u17d2\u178f\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u1796\u17b7\u178f\u1794\u17d2\u179a\u17b6\u1780\u178a\u17d4.<\/p>\n<p>\u17a2\u17d2\u179c\u17b8\u178a\u17c2\u179b NEC \u1792\u17d2\u179c\u17be\u17d6<\/p>\n<ul>\n<li>\u1780\u17c6\u178e\u178f\u17cb\u1785\u17d2\u1794\u17b6\u1794\u17cb\u1780\u1798\u17d2\u1798\u179c\u17b7\u1792\u17b8<\/li>\n<li>\u1794\u1784\u17d2\u1780\u17be\u178f\u178f\u1798\u17d2\u179a\u17bc\u179c\u1780\u17b6\u179a\u178a\u17c6\u17a1\u17be\u1784<\/li>\n<li>\u1794\u17d2\u179a\u17b6\u1794\u17cb\u17a2\u17d2\u1793\u1780\u1793\u17c5\u1796\u17c1\u179b\u178a\u17c2\u179b\u17a7\u1794\u1780\u179a\u178e\u17cd\u178a\u17c2\u179b\u1794\u17b6\u1793\u1785\u17bb\u17c7\u1794\u1789\u17d2\u1787\u17b8 \u1793\u17b7\u1784\u178a\u17b6\u1780\u17cb\u179f\u17d2\u179b\u17b6\u1780\u178f\u17d2\u179a\u17bc\u179c\u178f\u17c2\u1794\u17d2\u179a\u17be\u1794\u17d2\u179a\u17b6\u179f\u17cb\u178f\u17b6\u1798\u1780\u17b6\u179a\u178e\u17c2\u1793\u17b6\u17c6\u179a\u1794\u179f\u17cb\u179c\u17b6<\/li>\n<li>\u1780\u17c6\u178e\u178f\u17cb\u1785\u17d2\u1794\u17b6\u1794\u17cb\u1780\u17b6\u179a\u1796\u17b6\u179a\u1785\u179a\u1793\u17d2\u178f\u179b\u17be\u179f\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1791\u17b8\u179c\u17b6\u179b<\/li>\n<\/ul>\n<p>\u17a2\u17d2\u179c\u17b8\u178a\u17c2\u179b NEC \u1798\u17b7\u1793\u1792\u17d2\u179c\u17be\u17d6<\/p>\n<ul>\n<li>\u1792\u17d2\u179c\u17be\u179c\u17b7\u1789\u17d2\u1789\u17b6\u1794\u1793\u1780\u1798\u17d2\u1798\u1795\u179b\u17b7\u178f\u1795\u179b\u17a7\u1794\u1780\u179a\u178e\u17cd\u1795\u17d2\u178f\u17b6\u1785\u17cb\u179f\u17c0\u1782\u17d2\u179c\u17b8<\/li>\n<li>\u1794\u1798\u17d2\u179a\u17be\u1787\u17b6\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a\u1792\u17d2\u179c\u17be\u178f\u17c1\u179f\u17d2\u178f\u1795\u179b\u17b7\u178f\u1795\u179b<\/li>\n<li>\u1787\u17c6\u1793\u17bd\u179f\u178f\u1798\u17d2\u179a\u17bc\u179c\u1780\u17b6\u179a\u1794\u1789\u17d2\u1787\u17b8\u1795\u179b\u17b7\u178f\u1795\u179b UL<\/li>\n<\/ul>\n<p>\u1793\u17c4\u17c7\u17a0\u17be\u1799\u1787\u17b6\u1798\u17bc\u179b\u17a0\u17c1\u178f\u17bb\u178a\u17c2\u179b\u179f\u17c6\u178e\u17bd\u179a NEC \u1787\u17b6\u1792\u1798\u17d2\u1798\u178f\u17b6\u179f\u17d2\u1790\u17b7\u178f\u1793\u17c5\u179b\u17be\u1780\u17c6\u1796\u17bc\u179b\u1793\u17c3\u179f\u17c6\u178e\u17bd\u179a UL \u1787\u17b6\u1787\u17b6\u1784\u1787\u17c6\u1793\u17bd\u179f\u179c\u17b6\u17d4.<\/p>\n<p>\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1780\u17b6\u179a\u1784\u17b6\u179a\u179a\u1785\u1793\u17b6\u1787\u17b6\u1780\u17cb\u179f\u17d2\u178f\u17c2\u1784\u179a\u1794\u179f\u17cb\u179f\u17a0\u179a\u178a\u17d2\u178b\u17a2\u17b6\u1798\u17c1\u179a\u17b7\u1780 \u17a1\u17bc\u1787\u17b8\u1781\u179b\u1787\u17b6\u179a\u17bf\u1799\u17d7\u1780\u17d2\u179b\u17b6\u1799\u1787\u17b6\u17d6<\/p>\n<ol>\n<li>\u178f\u17be\u1780\u17d2\u179a\u17bb\u1798\u1782\u17d2\u179a\u17bd\u179f\u17b6\u179a\u17a7\u1794\u1780\u179a\u178e\u17cd\u1795\u17d2\u178f\u17b6\u1785\u17cb\u179f\u17c0\u1782\u17d2\u179c\u17b8\u1793\u17c1\u17c7\u1787\u17b6\u17a2\u17d2\u179c\u17b8?<\/li>\n<li>\u178f\u17be\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a\u1795\u179b\u17b7\u178f\u1795\u179b \u17ac\u1795\u17d2\u179b\u17bc\u179c\u1785\u17bb\u17c7\u1794\u1789\u17d2\u1787\u17b8\u1798\u17bd\u1799\u178e\u17b6\u178a\u17c2\u179b\u17a2\u1793\u17bb\u179c\u178f\u17d2\u178f?<\/li>\n<li>\u178f\u17be NEC \u178f\u1798\u17d2\u179a\u17bc\u179c\u17b1\u17d2\u1799\u179c\u17b6\u178f\u17d2\u179a\u17bc\u179c\u1794\u17b6\u1793\u178a\u17c6\u17a1\u17be\u1784 \u1793\u17b7\u1784\u17a2\u1793\u17bb\u179c\u178f\u17d2\u178f\u178a\u17c4\u1799\u179a\u1794\u17c0\u1794\u178e\u17b6?<\/li>\n<\/ol>\n<h2>\u17a0\u17c1\u178f\u17bb\u17a2\u17d2\u179c\u17b8\u1794\u17b6\u1793\u1787\u17b6 SCCR \u1793\u17b7\u1784 AIC \u179f\u17c6\u1781\u17b6\u1793\u17cb\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1780\u17b6\u179a\u1784\u17b6\u179a\u17a7\u1794\u1780\u179a\u178e\u17cd\u1795\u17d2\u178f\u17b6\u1785\u17cb\u179f\u17c0\u1782\u17d2\u179c\u17b8\u179a\u1794\u179f\u17cb\u179f\u17a0\u179a\u178a\u17d2\u178b\u17a2\u17b6\u1798\u17c1\u179a\u17b7\u1780<\/h2>\n<p>\u1794\u17d2\u179a\u179f\u17b7\u1793\u1794\u17be\u17a2\u17d2\u1793\u1780\u1788\u1794\u17cb\u178f\u17d2\u179a\u17b9\u1798\u1788\u17d2\u1798\u17c4\u17c7\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a \u17a2\u17d2\u1793\u1780\u1793\u17c5\u178f\u17c2\u1781\u1780\u1781\u17b6\u1793\u179f\u17c6\u178e\u17bd\u179a\u179f\u17c6\u1781\u17b6\u1793\u17cb\u1794\u17c6\u1795\u17bb\u178f\u1798\u17bd\u1799\u1793\u17c3\u1780\u17b6\u179a\u17a2\u1793\u17bb\u179c\u178f\u17d2\u178f\u179c\u17b7\u179f\u17d2\u179c\u1780\u1798\u17d2\u1798\u1780\u17d2\u1793\u17bb\u1784\u1780\u17b6\u179a\u1787\u17d2\u179a\u17be\u179f\u179a\u17be\u179f\u17a7\u1794\u1780\u179a\u178e\u17cd\u1795\u17d2\u178f\u17b6\u1785\u17cb\u179f\u17c0\u1782\u17d2\u179c\u17b8\u179a\u1794\u179f\u17cb\u179f\u17a0\u179a\u178a\u17d2\u178b\u17a2\u17b6\u1798\u17c1\u179a\u17b7\u1780\u17d6 <strong>\u178f\u17be\u1785\u179a\u1793\u17d2\u178f\u1780\u17c6\u17a0\u17bb\u179f\u17a2\u17d2\u179c\u17b8\u178a\u17c2\u179b\u17a7\u1794\u1780\u179a\u178e\u17cd \u17ac\u1780\u17b6\u179a\u178a\u17c6\u17a1\u17be\u1784\u17a2\u17b6\u1785\u179a\u17c6\u1781\u17b6\u1793 \u17ac\u1791\u1794\u17cb\u1791\u179b\u17cb\u178a\u17c4\u1799\u179f\u17bb\u179c\u178f\u17d2\u1790\u17b7\u1797\u17b6\u1796\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1780\u1798\u17d2\u1798\u179c\u17b7\u1792\u17b8\u178a\u17c2\u179b\u1794\u17b6\u1793\u1782\u17d2\u179a\u17c4\u1784\u1791\u17bb\u1780?<\/strong><\/p>\n<p>\u1782\u17c6\u1793\u17b7\u178f\u1796\u17b8\u179a\u1798\u17b6\u1793\u179f\u17b6\u179a\u17c8\u179f\u17c6\u1781\u17b6\u1793\u17cb\u1793\u17c5\u1791\u17b8\u1793\u17c1\u17c7\u17d6<\/p>\n<ul>\n<li><strong>AIC<\/strong> \u178f\u17d2\u179a\u17bc\u179c\u1794\u17b6\u1793\u1794\u17d2\u179a\u17be\u1787\u17b6\u1791\u17bc\u1791\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1780\u17b6\u179a\u17a2\u1793\u17bb\u179c\u178f\u17d2\u178f\u17a7\u1794\u1780\u179a\u178e\u17cd\u1795\u17d2\u178f\u17b6\u1785\u17cb\u179f\u17c0\u1782\u17d2\u179c\u17b8\u178a\u17be\u1798\u17d2\u1794\u17b8\u1796\u17b7\u1796\u178e\u17cc\u1793\u17b6\u17a2\u17c6\u1796\u17b8\u179f\u1798\u178f\u17d2\u1790\u1797\u17b6\u1796\u179a\u17c6\u1781\u17b6\u1793\u1793\u17c5\u179c\u17c9\u17bb\u179b \u1793\u17b7\u1784\u179b\u1780\u17d2\u1781\u1781\u178e\u17d2\u178c\u178a\u17c2\u179b\u1794\u17b6\u1793\u1794\u1789\u17d2\u1787\u17b6\u1780\u17cb<\/li>\n<li><strong>SCCR<\/strong> \u1782\u17ba\u1787\u17b6\u1785\u17c6\u178e\u17b6\u178f\u17cb\u1790\u17d2\u1793\u17b6\u1780\u17cb\u1785\u179a\u1793\u17d2\u178f\u179f\u17c0\u1782\u17d2\u179c\u17b8\u1781\u17d2\u179b\u17b8\u1793\u17c3\u1780\u17b6\u179a\u178a\u17c6\u17a1\u17be\u1784 \u17ac\u17a7\u1794\u1780\u179a\u178e\u17cd\u178a\u17bc\u1785\u178a\u17c2\u179b\u1794\u17b6\u1793\u17a2\u1793\u17bb\u179c\u178f\u17d2\u178f\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1791\u17b8\u179c\u17b6\u179b<\/li>\n<\/ul>\n<p>\u1793\u17c1\u17c7\u1782\u17ba\u1787\u17b6\u1780\u1793\u17d2\u179b\u17c2\u1784\u178a\u17c2\u179b\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a\u1788\u1794\u17cb\u1780\u17d2\u179b\u17b6\u1799\u1787\u17b6\u179a\u17bf\u1784\u17a2\u179a\u17bc\u1794\u17b8 \u17a0\u17be\u1799\u1785\u17b6\u1794\u17cb\u1795\u17d2\u178f\u17be\u1798\u1794\u17c9\u17c7\u1796\u17b6\u179b\u17cb\u178a\u179b\u17cb\u17a0\u17b6\u1793\u17b7\u1797\u17d0\u1799\u1793\u17c3\u1780\u17b6\u179a\u1794\u1789\u17d2\u1787\u17b6\u1780\u17cb\u17d4.<\/p>\n<h3>\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1780\u17b6\u179a\u1784\u17b6\u179a\u17a7\u1794\u1780\u179a\u178e\u17cd\u1795\u17d2\u178f\u17b6\u1785\u17cb\u179f\u17c0\u1782\u17d2\u179c\u17b8\u1780\u179a\u178e\u17b8\u178a\u17c2\u179b\u1794\u17b6\u1793\u178a\u17c6\u17a1\u17be\u1784 UL 489<\/h3>\n<p>\u1785\u17c6\u178e\u17b6\u178f\u17cb\u1790\u17d2\u1793\u17b6\u1780\u17cb\u179a\u17c6\u1781\u17b6\u1793\u1782\u17ba\u1798\u17b6\u1793\u179f\u17b6\u179a\u17c8\u179f\u17c6\u1781\u17b6\u1793\u17cb\u1785\u17c6\u1796\u17c4\u17c7\u1780\u17b6\u179a\u1787\u17d2\u179a\u17be\u179f\u179a\u17be\u179f\u1795\u179b\u17b7\u178f\u1795\u179b\u178a\u17c4\u1799\u1781\u17d2\u179b\u17bd\u1793\u17af\u1784\u17d4 \u17a7\u1794\u1780\u179a\u178e\u17cd\u1795\u17d2\u178f\u17b6\u1785\u17cb\u179f\u17c0\u1782\u17d2\u179c\u17b8\u17a2\u17b6\u1785\u1791\u1791\u17bd\u179b\u1799\u1780\u1794\u17b6\u1793\u1799\u17c9\u17b6\u1784\u179b\u17d2\u17a2\u17a5\u178f\u1781\u17d2\u1785\u17c4\u17c7\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1794\u1793\u17d2\u1791\u17c7\u1798\u17bd\u1799 \u17a0\u17be\u1799\u1798\u17b7\u1793\u179f\u1798\u179a\u1798\u17d2\u1799\u1791\u17b6\u17c6\u1784\u179f\u17d2\u179a\u17bb\u1784\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1794\u1793\u17d2\u1791\u17c7\u1798\u17bd\u1799\u1795\u17d2\u179f\u17c1\u1784\u1791\u17c0\u178f \u1794\u17d2\u179a\u179f\u17b7\u1793\u1794\u17be\u1785\u179a\u1793\u17d2\u178f\u1780\u17c6\u17a0\u17bb\u179f\u178a\u17c2\u179b\u1798\u17b6\u1793\u1781\u17d2\u1796\u179f\u17cb\u1787\u17b6\u1784\u179f\u1798\u178f\u17d2\u1790\u1797\u17b6\u1796\u179a\u17c6\u1781\u17b6\u1793\u179a\u1794\u179f\u17cb\u17a7\u1794\u1780\u179a\u178e\u17cd\u1795\u17d2\u178f\u17b6\u1785\u17cb\u179f\u17c0\u1782\u17d2\u179c\u17b8\u17d4.<\/p>\n<h3>\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1780\u17b6\u179a\u1784\u17b6\u179a UL 1066 \/ \u17a7\u1794\u1780\u179a\u178e\u17cd\u1795\u17d2\u178f\u17b6\u1785\u17cb\u179f\u17c0\u1782\u17d2\u179c\u17b8\u1790\u17b6\u1798\u1796\u179b \u1793\u17b7\u1784\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17d2\u178f\u17bc\u179a<\/h3>\n<p>\u1780\u17b6\u179a\u179f\u1793\u17d2\u1791\u1793\u17b6\u1780\u17b6\u1793\u17cb\u178f\u17c2\u1791\u17bc\u179b\u17c6\u1791\u17bc\u179b\u17b6\u1799 \u1796\u17b8\u1796\u17d2\u179a\u17c4\u17c7\u1780\u17b6\u179a\u1787\u17d2\u179a\u17be\u179f\u179a\u17be\u179f\u17a7\u1794\u1780\u179a\u178e\u17cd\u1795\u17d2\u178f\u17b6\u1785\u17cb\u179f\u17c0\u1782\u17d2\u179c\u17b8\u178f\u17d2\u179a\u17bc\u179c\u1794\u17b6\u1793\u1785\u1784\u1797\u17d2\u1787\u17b6\u1794\u17cb\u1798\u17b7\u1793\u178f\u17d2\u179a\u17b9\u1798\u178f\u17c2\u1791\u17c5\u1793\u17b9\u1784\u17a7\u1794\u1780\u179a\u178e\u17cd\u1795\u17d2\u178f\u17b6\u1785\u17cb\u179f\u17c0\u1782\u17d2\u179c\u17b8\u178a\u17c4\u1799\u1781\u17d2\u179b\u17bd\u1793\u17af\u1784\u1794\u17c9\u17bb\u178e\u17d2\u178e\u17c4\u17c7\u1791\u17c1 \u1794\u17c9\u17bb\u1793\u17d2\u178f\u17c2\u1790\u17c2\u1798\u1791\u17b6\u17c6\u1784\u1785\u17c6\u1796\u17c4\u17c7\u1780\u17b6\u179a\u179f\u17b6\u1784\u179f\u1784\u17cb\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17d2\u178f\u17bc\u179a \u1793\u17b8\u178f\u17b7\u179c\u17b7\u1792\u17b8\u1792\u17d2\u179c\u17be\u178f\u17c1\u179f\u17d2\u178f \u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u1791\u17d2\u179a\u17b8\u1794 \u1793\u17b7\u1784\u1794\u179a\u17b7\u1794\u1791\u1782\u17d2\u179a\u17bd\u179f\u17b6\u179a C37 \u178a\u17c2\u179b\u1796\u17b6\u1780\u17cb\u1796\u17d0\u1793\u17d2\u1792\u1795\u1784\u178a\u17c2\u179a\u17d4.<\/p>\n<h3>\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u17a7\u1794\u1780\u179a\u178e\u17cd\u178f\u17b6\u1798\u178f\u1798\u17d2\u179a\u17bc\u179c\u1780\u17b6\u179a \u1793\u17b7\u1784\u1794\u1793\u17d2\u1791\u17c7\u1782\u17d2\u179a\u1794\u17cb\u1782\u17d2\u179a\u1784\u17a7\u179f\u17d2\u179f\u17b6\u17a0\u1780\u1798\u17d2\u1798<\/h3>\n<p>\u1791\u17c4\u17c7\u1794\u17b8\u1787\u17b6\u179f\u1798\u17b6\u179f\u1792\u17b6\u178f\u17bb\u1793\u17b8\u1798\u17bd\u1799\u17d7\u17a2\u17b6\u1785\u1791\u1791\u17bd\u179b\u1799\u1780\u1794\u17b6\u1793\u1787\u17b6\u179b\u1780\u17d2\u1781\u178e\u17c8\u1794\u17bb\u1782\u17d2\u1782\u179b\u1780\u17cf\u178a\u17c4\u1799 \u1780\u17b6\u179a\u178a\u17c6\u17a1\u17be\u1784\u1793\u17c5\u178f\u17c2\u178f\u17d2\u179a\u17bc\u179c\u179f\u1798\u17d2\u179a\u17c1\u1785\u1794\u17b6\u1793\u1793\u17bc\u179c <strong>SCCR<\/strong>. \u178a\u17c2\u179b\u179f\u1798\u179f\u17d2\u179a\u1794\u17d4 \u1793\u17c4\u17c7\u17a0\u17be\u1799\u1787\u17b6\u1798\u17bc\u179b\u17a0\u17c1\u178f\u17bb\u178a\u17c2\u179b\u179c\u17b7\u179f\u17d2\u179c\u1780\u179a\u17a2\u17b6\u1798\u17c1\u179a\u17b7\u1780\u1798\u17b7\u1793\u17a2\u17b6\u1785\u1788\u1794\u17cb\u178f\u17d2\u179a\u17b9\u1798 \u201c\u17a7\u1794\u1780\u179a\u178e\u17cd\u1795\u17d2\u178f\u17b6\u1785\u17cb\u179f\u17c0\u1782\u17d2\u179c\u17b8\u1793\u17c1\u17c7\u178f\u17d2\u179a\u17bc\u179c\u1794\u17b6\u1793\u1785\u17bb\u17c7\u1794\u1789\u17d2\u1787\u17b8 UL\u201d \u1793\u17c4\u17c7\u1791\u17c1\u17d4 \u1796\u17bd\u1780\u1782\u17c1\u1780\u17cf\u178f\u17d2\u179a\u17bc\u179c\u179f\u17bd\u179a\u1795\u1784\u178a\u17c2\u179a\u17d6<\/p>\n<ul>\n<li>\u178f\u17be\u1785\u179a\u1793\u17d2\u178f\u1780\u17c6\u17a0\u17bb\u179f\u178a\u17c2\u179b\u17a2\u17b6\u1785\u1794\u17d2\u179a\u17be\u1794\u17b6\u1793\u1782\u17ba\u1787\u17b6\u17a2\u17d2\u179c\u17b8?<\/li>\n<li>\u178f\u17be\u1780\u1798\u17d2\u179a\u17b7\u178f\u179a\u17c6\u1781\u17b6\u1793\u17a2\u17d2\u179c\u17b8\u178a\u17c2\u179b\u178f\u17d2\u179a\u17bc\u179c\u17a2\u1793\u17bb\u179c\u178f\u17d2\u178f?<\/li>\n<li>\u178f\u17be\u179f\u1798\u178f\u17d2\u1790\u1797\u17b6\u1796 SCCR \u17a2\u17d2\u179c\u17b8\u178a\u17c2\u179b\u1780\u17b6\u179a\u1795\u17d2\u1782\u17bb\u17c6\u178f\u17d2\u179a\u17bc\u179c\u1798\u17b6\u1793\u1793\u17c5\u179b\u17be\u1795\u17d2\u179b\u17b6\u1780\u179f\u1789\u17d2\u1789\u17b6?<\/li>\n<li>\u178f\u17be\u17a7\u1794\u1780\u179a\u178e\u17cd\u1793\u17c5\u1795\u17d2\u1793\u17c2\u1780\u1781\u17b6\u1784\u179b\u17be \u1793\u17b7\u1784\u1781\u17b6\u1784\u1780\u17d2\u179a\u17c4\u1798\u1798\u17b6\u1793\u17a2\u1793\u17d2\u178f\u179a\u1780\u1798\u17d2\u1798\u1782\u17d2\u1793\u17b6\u1799\u17c9\u17b6\u1784\u178a\u17bc\u1785\u1798\u17d2\u178f\u17c1\u1785 \u1780\u17d2\u179a\u17c4\u1798\u179b\u1780\u17d2\u1781\u1781\u178e\u17d2\u178c\u1780\u17c6\u17a0\u17bb\u179f?<\/li>\n<\/ul>\n<p>\u1793\u17c4\u17c7\u1780\u17cf\u1787\u17b6\u1798\u17bc\u179b\u17a0\u17c1\u178f\u17bb\u178a\u17c2\u179b\u1780\u17b6\u179a\u1796\u17b7\u1797\u17b6\u1780\u17d2\u179f\u17b6\u17a2\u17c6\u1796\u17b8\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u179b\u17c2\u1784\u179f\u17c0\u1782\u17d2\u179c\u17b8\u179a\u1794\u179f\u17cb\u179f\u17a0\u179a\u178a\u17d2\u178b\u17a2\u17b6\u1798\u17c1\u179a\u17b7\u1780 \u1797\u17d2\u1787\u17b6\u1794\u17cb\u178a\u17c4\u1799\u1792\u1798\u17d2\u1798\u1787\u17b6\u178f\u17b7\u1791\u17c5\u1793\u17b9\u1784\u1791\u17c6\u1796\u17d0\u179a\u1780\u1798\u17d2\u1798\u179c\u17b7\u1792\u17b8 \u178a\u17bc\u1785\u1787\u17b6 <a href=\"https:\/\/test.viox.com\/km\/circuit-breaker-ratings-icu-ics-icw-icm\/\">\u1780\u17b6\u179a\u179c\u17b6\u1799\u178f\u1798\u17d2\u179b\u17c3\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u179b\u17c2\u1784\u179f\u17c0\u1782\u17d2\u179c\u17b8\u17d6 Icu, Ics, Icw \u1793\u17b7\u1784 Icm<\/a>, \u1791\u17c4\u17c7\u1794\u17b8\u1787\u17b6\u17a2\u1793\u17bb\u179f\u1789\u17d2\u1789\u17b6\u178a\u17b6\u1780\u17cb\u1788\u17d2\u1798\u17c4\u17c7\u1798\u17b7\u1793\u178a\u17bc\u1785\u1782\u17d2\u1793\u17b6\u1793\u17c5\u1791\u17bc\u1791\u17b6\u17c6\u1784\u1780\u17b6\u179a\u17a2\u1793\u17bb\u179c\u178f\u17d2\u178f IEC \u1793\u17b7\u1784 UL \u1780\u17cf\u178a\u17c4\u1799\u17d4.<\/p>\n<h2>\u1780\u1793\u17d2\u179b\u17c2\u1784\u178a\u17c2\u179b NEC \u179f\u17c6\u1781\u17b6\u1793\u17cb\u1794\u17c6\u1795\u17bb\u178f\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1794\u17d2\u179a\u1792\u17b6\u1793\u1794\u1791\u1793\u17c1\u17c7<\/h2>\n<p>\u1793\u17c5\u1796\u17c1\u179b\u178a\u17c2\u179b\u179c\u17b7\u179f\u17d2\u179c\u1780\u179a\u1794\u17d2\u179a\u17c0\u1794\u1792\u17c0\u1794 UL 489, UL 1066, NEMA AB \u1793\u17b7\u1784 NEC, NEC \u1787\u17b6\u1792\u1798\u17d2\u1798\u178f\u17b6\u179f\u17c6\u1781\u17b6\u1793\u17cb\u1794\u17c6\u1795\u17bb\u178f\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u178f\u17c6\u1794\u1793\u17cb\u1791\u17b6\u17c6\u1784\u1793\u17c1\u17c7\u17d6<\/p>\n<ul>\n<li>\u179c\u17b7\u1792\u17b6\u1793\u1780\u17b6\u179a\u1796\u17b6\u179a\u1785\u179a\u1793\u17d2\u178f\u179b\u17be\u179f<\/li>\n<li>\u178a\u17c2\u1793\u1780\u17c6\u178e\u178f\u17cb\u1793\u17c3\u1780\u17b6\u179a\u17a2\u1793\u17bb\u179c\u178f\u17d2\u178f\u17a7\u1794\u1780\u179a\u178e\u17cd<\/li>\n<li>\u179c\u17b7\u1792\u17b8\u179f\u17b6\u179f\u17d2\u179a\u17d2\u178f\u178a\u17c6\u17a1\u17be\u1784<\/li>\n<li>\u1780\u17b6\u179a\u1785\u17bb\u17c7\u1794\u1789\u17d2\u1787\u17b8 \u1793\u17b7\u1784\u1780\u17b6\u179a\u17a2\u1793\u17bb\u179b\u17c4\u1798\u178f\u17b6\u1798\u179f\u17d2\u179b\u17b6\u1780\u179f\u1789\u17d2\u1789\u17b6<\/li>\n<li>\u1780\u17b6\u179a\u179f\u1798\u17d2\u179a\u1794\u179f\u1798\u17d2\u179a\u17bd\u179b\u1787\u17b6\u1798\u17bd\u1799\u1794\u1793\u17d2\u1791\u17c7, \u1794\u17d2\u178f\u17bc\u179a\u17a7\u1794\u1780\u179a\u178e\u17cd, \u17ac\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u1798\u17c9\u17bc\u1791\u17d0\u179a<\/li>\n<\/ul>\n<p>\u17a7\u1791\u17b6\u17a0\u179a\u178e\u17cd \u179c\u17b7\u1792\u17b6\u1793\u17a2\u1793\u17bb\u179c\u178f\u17d2\u178f NEC \u1787\u17bd\u1799\u1796\u1793\u17d2\u1799\u179b\u17cb\u1796\u17b8\u1798\u17bc\u179b\u17a0\u17c1\u178f\u17bb\u178a\u17c2\u179b\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u179b\u17c2\u1784\u178a\u17c2\u179b\u178f\u17d2\u179a\u17b9\u1798\u178f\u17d2\u179a\u17bc\u179c\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1794\u179a\u17b7\u1794\u1791\u17a7\u1794\u1780\u179a\u178e\u17cd\u1798\u17bd\u1799 \u1798\u17b7\u1793\u17a2\u17b6\u1785\u178f\u17d2\u179a\u17bc\u179c\u1794\u17b6\u1793\u1782\u17c1\u179f\u1793\u17d2\u1798\u178f\u17cb\u178a\u17c4\u1799\u179f\u17d2\u179c\u17d0\u1799\u1794\u17d2\u179a\u179c\u178f\u17d2\u178f\u17b7\u1790\u17b6\u178f\u17d2\u179a\u17b9\u1798\u178f\u17d2\u179a\u17bc\u179c\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1794\u179a\u17b7\u1794\u1791\u1798\u17bd\u1799\u1795\u17d2\u179f\u17c1\u1784\u1791\u17c0\u178f\u1794\u17b6\u1793\u1791\u17c1\u17d4.<\/p>\n<p>\u1794\u17d2\u179a\u179f\u17b7\u1793\u1794\u17be\u1780\u17b6\u179a\u1795\u17d2\u178f\u17c4\u178f\u17a2\u17b6\u179a\u1798\u17d2\u1798\u178e\u17cd\u179a\u1794\u179f\u17cb\u17a2\u17d2\u1793\u1780\u1782\u17ba\u1791\u17c5\u179b\u17be\u1780\u17b6\u179a\u179c\u17b6\u1799\u178f\u1798\u17d2\u179b\u17c3\u1780\u1798\u17d2\u1798\u179c\u17b7\u1792\u17b8\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u179b\u17c2\u1784 \u1793\u17b7\u1784\u1797\u17b6\u179f\u17b6\u179f\u1798\u17d2\u179a\u1794\u179f\u1798\u17d2\u179a\u17bd\u179b, <a href=\"https:\/\/test.viox.com\/km\/circuit-breaker-ratings-icu-ics-icw-icm\/\">\u1780\u17b6\u179a\u179c\u17b6\u1799\u178f\u1798\u17d2\u179b\u17c3\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u179b\u17c2\u1784\u179f\u17c0\u1782\u17d2\u179c\u17b8\u17d6 Icu, Ics, Icw \u1793\u17b7\u1784 Icm<\/a> \u1782\u17ba\u1787\u17b6\u1780\u17b6\u179a\u17a2\u17b6\u1793\u178a\u17c2\u179b\u1793\u17c5\u1787\u17b6\u1794\u17cb\u1782\u17d2\u1793\u17b6\u178a\u17cf\u1798\u17b6\u1793\u1794\u17d2\u179a\u1799\u17c4\u1787\u1793\u17cd\u17d4.<\/p>\n<h2>\u179c\u17b7\u1792\u17b8\u1787\u17b6\u1780\u17cb\u179f\u17d2\u178f\u17c2\u1784\u1780\u17d2\u1793\u17bb\u1784\u1780\u17b6\u179a\u1794\u17d2\u179a\u17be\u1794\u17d2\u179a\u17b6\u179f\u17cb\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a\u1791\u17b6\u17c6\u1784\u1793\u17c1\u17c7\u1780\u17d2\u1793\u17bb\u1784\u1780\u17b6\u179a\u1784\u17b6\u179a\u1787\u17b6\u1780\u17cb\u179b\u17b6\u1780\u17cb<\/h2>\n<p>\u1793\u17c5\u1796\u17c1\u179b\u179f\u179a\u179f\u17c1\u179a \u17ac\u1796\u17b7\u1793\u17b7\u178f\u17d2\u1799\u1798\u17be\u179b\u179b\u1780\u17d2\u1781\u178e\u17c8\u1787\u17b6\u1780\u17cb\u179b\u17b6\u1780\u17cb\u179a\u1794\u179f\u17cb\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u179b\u17c2\u1784\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1791\u17b8\u1795\u17d2\u179f\u17b6\u179a\u179f\u17a0\u179a\u178a\u17d2\u178b\u17a2\u17b6\u1798\u17c1\u179a\u17b7\u1780 \u179b\u17c6\u17a0\u17bc\u179a\u1780\u17b6\u179a\u1784\u17b6\u179a\u179c\u17b7\u179f\u17d2\u179c\u1780\u1798\u17d2\u1798\u1787\u17b6\u1780\u17cb\u179f\u17d2\u178f\u17c2\u1784\u1782\u17ba\u17d6<\/p>\n<h3>\u1787\u17c6\u17a0\u17b6\u1793\u1791\u17b8 1. \u1780\u17c6\u178e\u178f\u17cb\u17a2\u178f\u17d2\u178f\u179f\u1789\u17d2\u1789\u17b6\u178e\u1782\u17d2\u179a\u17bd\u179f\u17b6\u179a\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u179b\u17c2\u1784<\/h3>\n<p>\u178f\u17be\u17a2\u17d2\u1793\u1780\u1780\u17c6\u1796\u17bb\u1784\u1794\u1789\u17d2\u1787\u17b6\u1780\u17cb\u17a2\u17c6\u1796\u17b8\u17d6<\/p>\n<ul>\n<li>\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u179b\u17c2\u1784\u1780\u179a\u178e\u17b8\u178a\u17c2\u179b\u1794\u17b6\u1793\u178a\u17c6\u17a1\u17be\u1784 \u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1780\u17b6\u179a\u1794\u17d2\u179a\u17be\u1794\u17d2\u179a\u17b6\u179f\u17cb\u1794\u1793\u17d2\u1791\u17c7 \u17ac\u17a7\u1794\u1780\u179a\u178e\u17cd\u1795\u17d2\u1782\u178f\u17cb\u1795\u17d2\u1782\u1784\u17cb<\/li>\n<li>\u17ac\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u179b\u17c2\u1784\u179f\u17c0\u1782\u17d2\u179c\u17b8\u1790\u17b6\u1798\u1796\u179b\u179c\u17c9\u17bb\u179b\u1791\u17b6\u1794 \u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17d2\u178f\u17bc\u179a<\/li>\n<\/ul>\n<p>\u1780\u17b6\u179a\u179f\u1798\u17d2\u179a\u17c1\u1785\u1785\u17b7\u178f\u17d2\u178f\u1798\u17bd\u1799\u1793\u17c4\u17c7 \u1787\u17b6\u179a\u17bf\u1799\u17d7\u1785\u1784\u17d2\u17a2\u17bb\u179b\u17a2\u17d2\u1793\u1780\u1786\u17d2\u1796\u17c4\u17c7\u1791\u17c5\u179a\u1780 UL 489 \u17ac UL 1066 \u1797\u17d2\u179b\u17b6\u1798\u17d7\u17d4.<\/p>\n<h3>\u1787\u17c6\u17a0\u17b6\u1793\u1791\u17b8 2. \u1796\u17b7\u1793\u17b7\u178f\u17d2\u1799\u1798\u17be\u179b\u1794\u179a\u17b7\u1794\u1791\u1793\u17c3\u1780\u17b6\u179a\u1795\u17d2\u1782\u17bb\u17c6<\/h3>\n<p>\u178f\u17be\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u179b\u17c2\u1784\u1793\u17b9\u1784\u1785\u17bc\u179b\u1791\u17c5\u1780\u17d2\u1793\u17bb\u1784\u17d6<\/p>\n<ul>\n<li>\u1794\u1793\u17d2\u1791\u17c7\u1785\u17c2\u1780\u1785\u17b6\u1799<\/li>\n<li>\u1794\u17d2\u178f\u17bc\u179a<\/li>\n<li>switchgear<\/li>\n<li>\u17a7\u1794\u1780\u179a\u178e\u17cd\u17a7\u179f\u17d2\u179f\u17b6\u17a0\u1780\u1798\u17d2\u1798\u178f\u17b6\u1798\u178f\u1798\u17d2\u179a\u17bc\u179c\u1780\u17b6\u179a<\/li>\n<\/ul>\n<p>\u1794\u179a\u17b7\u1794\u1791\u17a7\u1794\u1780\u179a\u178e\u17cd\u1798\u17b6\u1793\u179f\u17b6\u179a\u17c8\u179f\u17c6\u1781\u17b6\u1793\u17cb\u178a\u17bc\u1785\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u179b\u17c2\u1784\u1781\u17d2\u179b\u17bd\u1793\u17af\u1784\u178a\u17c2\u179a\u17d4.<\/p>\n<h3>\u1787\u17c6\u17a0\u17b6\u1793\u1791\u17b8 3. \u1796\u17b7\u1793\u17b7\u178f\u17d2\u1799\u1798\u17be\u179b\u178f\u1798\u17d2\u179a\u17bc\u179c\u1780\u17b6\u179a\u1780\u1798\u17d2\u1798\u179c\u17b7\u1792\u17b8 NEC<\/h3>\n<p>\u179f\u17bc\u1798\u17d2\u1794\u17b8\u178f\u17c2\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u179b\u17c2\u1784\u178a\u17c2\u179b\u1794\u17b6\u1793\u1785\u17bb\u17c7\u1794\u1789\u17d2\u1787\u17b8\u178f\u17d2\u179a\u17b9\u1798\u178f\u17d2\u179a\u17bc\u179c \u1780\u17cf\u1793\u17c5\u178f\u17c2\u17a2\u17b6\u1785\u178f\u17d2\u179a\u17bc\u179c\u1794\u17b6\u1793\u17a2\u1793\u17bb\u179c\u178f\u17d2\u178f\u1781\u17bb\u179f \u1794\u17d2\u179a\u179f\u17b7\u1793\u1794\u17be\u1780\u17b6\u179a\u179a\u1785\u1793\u17b6\u1780\u17b6\u179a\u178a\u17c6\u17a1\u17be\u1784\u1798\u17b7\u1793\u179f\u17d2\u179a\u1794\u178f\u17b6\u1798\u178f\u1798\u17d2\u179a\u17bc\u179c\u1780\u17b6\u179a NEC\u17d4.<\/p>\n<h3>\u1787\u17c6\u17a0\u17b6\u1793\u1791\u17b8 4. \u1794\u17d2\u179a\u17be\u17af\u1780\u179f\u17b6\u179a NEMA AB \u1787\u17b6\u1787\u17c6\u1793\u17bd\u1799 \u1798\u17b7\u1793\u1798\u17c2\u1793\u1787\u17b6\u1780\u17b6\u179a\u1787\u17c6\u1793\u17bd\u179f\u1780\u17bc\u178a\u1793\u17c4\u17c7\u1791\u17c1<\/h3>\n<p>\u17af\u1780\u179f\u17b6\u179a NEMA AB \u1798\u17b6\u1793\u178f\u1798\u17d2\u179b\u17c3\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1780\u17b6\u179a\u1799\u179b\u17cb\u178a\u17b9\u1784\u17a2\u17c6\u1796\u17b8\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u179b\u17c2\u1784\u1780\u179a\u178e\u17b8\u178a\u17c2\u179b\u1794\u17b6\u1793\u178a\u17c6\u17a1\u17be\u1784 \u1780\u17b6\u179a\u1790\u17c2\u1791\u17b6\u17c6 \u1793\u17b7\u1784\u1796\u17d0\u178f\u17cc\u1798\u17b6\u1793\u179b\u1798\u17d2\u17a2\u17b7\u178f\u17a2\u17c6\u1796\u17b8\u1780\u1798\u17d2\u1798\u179c\u17b7\u1792\u17b8 \u1794\u17c9\u17bb\u1793\u17d2\u178f\u17c2\u1796\u17bd\u1780\u179c\u17b6\u1798\u17b7\u1793\u1787\u17c6\u1793\u17bd\u179f\u1780\u17b6\u178f\u1796\u17d2\u179c\u1780\u17b7\u1785\u17d2\u1785\u178a\u17c6\u17a1\u17be\u1784 NEC \u1791\u17c1\u17d4.<\/p>\n<h3>\u1787\u17c6\u17a0\u17b6\u1793\u1791\u17b8 5. \u1794\u1789\u17d2\u1787\u17b6\u1780\u17cb\u1796\u17b8\u1785\u179a\u1793\u17d2\u178f\u1780\u17c6\u17a0\u17bb\u179f \u1793\u17b7\u1784\u1780\u17b6\u179a\u179a\u17c6\u1796\u17b9\u1784\u1791\u17bb\u1780\u1793\u17c3\u1780\u17b6\u179a\u179c\u17b6\u1799\u178f\u1798\u17d2\u179b\u17c3<\/h3>\n<p>\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1791\u17b8\u1795\u17d2\u179f\u17b6\u179a\u179f\u17a0\u179a\u178a\u17d2\u178b\u17a2\u17b6\u1798\u17c1\u179a\u17b7\u1780 \u1793\u17c1\u17c7\u1798\u17b6\u1793\u1793\u17d0\u1799\u1790\u17b6\u1780\u17b6\u179a\u1796\u17b7\u1793\u17b7\u178f\u17d2\u1799\u1798\u17be\u179b\u1790\u17b6\u178f\u17be\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u179b\u17c2\u1784 \u1793\u17b7\u1784\u1780\u17b6\u179a\u1795\u17d2\u1782\u17bb\u17c6\u17a2\u17b6\u1785\u1782\u17b6\u17c6\u1791\u17d2\u179a\u179b\u1780\u17d2\u1781\u1781\u178e\u17d2\u178c\u1785\u179a\u1793\u17d2\u178f\u1780\u17c6\u17a0\u17bb\u179f\u178a\u17c2\u179b\u17a2\u17b6\u1785\u1794\u17d2\u179a\u17be\u1794\u17b6\u1793 \u178f\u1798\u17d2\u179a\u17bc\u179c\u1780\u17b6\u179a\u179a\u17c6\u1781\u17b6\u1793 \u1793\u17b7\u1784\u1780\u17b6\u179a\u179a\u17c6\u1796\u17b9\u1784\u1791\u17bb\u1780 SCCR \u1793\u17c5\u1785\u17c6\u178e\u17bb\u1785\u178a\u17c6\u17a1\u17be\u1784\u178a\u17c2\u179a\u17ac\u1791\u17c1\u17d4.<\/p>\n<h3>\u1787\u17c6\u17a0\u17b6\u1793\u1791\u17b8 6. \u179f\u17bd\u179a\u1790\u17b6\u178f\u17be\u1782\u1798\u17d2\u179a\u17c4\u1784\u1793\u17c1\u17c7\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u178f\u17c2\u179f\u17a0\u179a\u178a\u17d2\u178b\u17a2\u17b6\u1798\u17c1\u179a\u17b7\u1780 \u17ac\u1780\u17cf\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb IEC \u178a\u17c2\u179a\u17ac\u1791\u17c1<\/h3>\n<p>\u1794\u17d2\u179a\u179f\u17b7\u1793\u1794\u17be\u1782\u1798\u17d2\u179a\u17c4\u1784\u1793\u17c1\u17c7\u1780\u17cf\u1794\u1798\u17d2\u179a\u17be\u1791\u17b8\u1795\u17d2\u179f\u17b6\u179a\u17a2\u1793\u17d2\u178f\u179a\u1787\u17b6\u178f\u17b7\u1795\u1784\u178a\u17c2\u179a \u179c\u17b7\u179f\u17d2\u179c\u1780\u179a\u178f\u17c2\u1784\u178f\u17c2\u178f\u17d2\u179a\u17bc\u179c\u1780\u17b6\u179a\u1799\u179b\u17cb\u178a\u17b9\u1784\u1796\u17b8\u1780\u1793\u17d2\u179b\u17c2\u1784\u178a\u17c2\u179b <strong>IEC 60947-1<\/strong> \u1793\u17b7\u1784 <strong>IEC 60947-2<\/strong> \u17a2\u1784\u17d2\u1782\u17bb\u1799\u1791\u17b6\u1780\u17cb\u1791\u1784\u1791\u17c5\u1793\u17b9\u1784\u1780\u17d2\u179a\u1794\u1781\u17d0\u178e\u17d2\u178c\u179f\u17a0\u179a\u178a\u17d2\u178b\u17a2\u17b6\u1798\u17c1\u179a\u17b7\u1780\u17d4 \u1796\u17bd\u1780\u179c\u17b6\u1798\u17b7\u1793\u1798\u17c2\u1793\u1787\u17b6\u1785\u17d2\u1794\u17b6\u1794\u17cb\u1785\u1798\u17d2\u179b\u1784\u1795\u17d2\u1791\u17b6\u179b\u17cb\u1793\u17c3 UL 489 \u17ac UL 1066 \u1791\u17c1 \u1794\u17c9\u17bb\u1793\u17d2\u178f\u17c2\u1796\u17bd\u1780\u179c\u17b6\u1782\u17ba\u1787\u17b6\u1785\u17c6\u178e\u17bb\u1785\u1799\u17c4\u1784\u179f\u17c6\u1781\u17b6\u1793\u17cb\u17d7\u1793\u17c5\u1795\u17d2\u1793\u17c2\u1780 IEC \u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17d2\u178f\u17bc\u179a\u179c\u17c9\u17bb\u179b\u1791\u17b6\u1794 \u1793\u17b7\u1784\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u179b\u17c2\u1784\u179f\u17c0\u1782\u17d2\u179c\u17b8\u17d4.<\/p>\n<h2>\u1780\u17c6\u17a0\u17bb\u179f\u1791\u17bc\u1791\u17c5\u178a\u17c2\u179b\u179c\u17b7\u179f\u17d2\u179c\u1780\u179a \u1793\u17b7\u1784\u17a2\u17d2\u1793\u1780\u1791\u17b7\u1789\u1792\u17d2\u179c\u17be<\/h2>\n<h3>\u1780\u17b6\u179a\u1785\u17b6\u178f\u17cb\u1791\u17bb\u1780 UL 489 \u1793\u17b7\u1784 UL 1066 \u178a\u17bc\u1785\u1787\u17b6\u1796\u17bd\u1780\u179c\u17b6\u1796\u17b7\u1796\u178e\u17cc\u1793\u17b6\u17a2\u17c6\u1796\u17b8\u1794\u17d2\u179a\u1797\u17c1\u1791\u17a7\u1794\u1780\u179a\u178e\u17cd\u178a\u17bc\u1785\u1782\u17d2\u1793\u17b6<\/h3>\n<p>\u1796\u17bd\u1780\u179c\u17b6\u1798\u17b7\u1793\u1798\u17c2\u1793\u1791\u17c1\u17d4 \u1796\u17bd\u1780\u179c\u17b6\u1782\u17d2\u179a\u1794\u178a\u178e\u17d2\u178f\u1794\u17cb\u1782\u17d2\u179a\u17bd\u179f\u17b6\u179a\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u179b\u17c2\u1784\u179c\u17c9\u17bb\u179b\u1791\u17b6\u1794\u1795\u17d2\u179f\u17c1\u1784\u17d7\u1782\u17d2\u1793\u17b6\u17d4.<\/p>\n<h3>\u1780\u17b6\u179a\u1785\u17b6\u178f\u17cb\u1791\u17bb\u1780 NEMA AB \u1787\u17b6\u1785\u1798\u17d2\u179b\u17be\u1799\u178f\u17c2\u1798\u17bd\u1799<\/h3>\n<p>\u1787\u17b6\u1792\u1798\u17d2\u1798\u178f\u17b6\u179f\u17c6\u178e\u17bd\u179a\u1796\u17b7\u178f\u1794\u17d2\u179a\u17b6\u1780\u178a\u1782\u17ba\u17af\u1780\u179f\u17b6\u179a AB \u1798\u17bd\u1799\u178e\u17b6\u178a\u17c2\u179b\u17a2\u17d2\u1793\u1780\u1785\u1784\u17cb\u1793\u17b7\u1799\u17b6\u1799 \u17a0\u17be\u1799\u1790\u17b6\u178f\u17be\u17a2\u17d2\u1793\u1780\u1780\u17c6\u1796\u17bb\u1784\u1793\u17b7\u1799\u17b6\u1799\u17a2\u17c6\u1796\u17b8\u179f\u1798\u1798\u17bc\u179b\u1795\u179b\u17b7\u178f\u1795\u179b \u1780\u17b6\u179a\u178e\u17c2\u1793\u17b6\u17c6\u17a2\u17c6\u1796\u17b8\u1780\u17b6\u179a\u1790\u17c2\u1791\u17b6\u17c6 \u17ac\u1794\u1789\u17d2\u17a0\u17b6\u1780\u1798\u17d2\u1798\u179c\u17b7\u1792\u17b8\u1787\u17b6\u1780\u17cb\u179b\u17b6\u1780\u17cb\u1798\u17bd\u1799\u17d4.<\/p>\n<h3>\u1780\u17b6\u179a\u179f\u1793\u17d2\u1798\u178f\u1790\u17b6 NEC \u1782\u17ba\u1787\u17b6\u179c\u17b7\u1789\u17d2\u1789\u17b6\u1794\u1793\u1794\u17d0\u178f\u17d2\u179a\u1795\u179b\u17b7\u178f\u1795\u179b<\/h3>\n<p>\u179c\u17b6\u1798\u17b7\u1793\u1798\u17c2\u1793\u1791\u17c1\u17d4 NEC \u1782\u17ba\u1787\u17b6\u1780\u17bc\u178a\u178a\u17c6\u17a1\u17be\u1784 \u1798\u17b7\u1793\u1798\u17c2\u1793\u1787\u17b6\u1794\u1789\u17d2\u1787\u17b8\u179f\u17bb\u179c\u178f\u17d2\u1790\u17b7\u1797\u17b6\u1796\u1795\u179b\u17b7\u178f\u1795\u179b\u1791\u17c1\u17d4.<\/p>\n<h3>\u1780\u17b6\u179a\u1798\u17b7\u1793\u17a2\u17be\u1796\u17be\u1785\u179a\u1793\u17d2\u178f\u1780\u17c6\u17a0\u17bb\u179f\u178a\u17c2\u179b\u17a2\u17b6\u1785\u1794\u17d2\u179a\u17be\u1794\u17b6\u1793 \u1780\u17b6\u179a\u179c\u17b6\u1799\u178f\u1798\u17d2\u179b\u17c3\u179a\u17c6\u1781\u17b6\u1793 \u17ac SCCR<\/h3>\n<p>\u1793\u17c1\u17c7\u1782\u17ba\u1787\u17b6\u179c\u17b7\u1792\u17b8\u1798\u17bd\u1799\u1780\u17d2\u1793\u17bb\u1784\u1785\u17c6\u178e\u17c4\u1798\u179c\u17b7\u1792\u17b8\u179b\u17bf\u1793\u1794\u17c6\u1795\u17bb\u178f\u178a\u17be\u1798\u17d2\u1794\u17b8\u1794\u17d2\u179a\u17c2\u1780\u17d2\u179b\u17b6\u1799\u179b\u1780\u17d2\u1781\u178e\u17c8\u1787\u17b6\u1780\u17cb\u179b\u17b6\u1780\u17cb \u201c\u17a2\u1793\u17bb\u179b\u17c4\u1798\u178f\u17b6\u1798\u201d \u1791\u17c5\u1787\u17b6\u1794\u1789\u17d2\u17a0\u17b6\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u179c\u17b6\u179b\u17d4.<\/p>\n<blockquote><p><strong>\u1780\u17c6\u178e\u178f\u17cb\u1785\u17c6\u178e\u17b6\u17c6\u179c\u17b6\u179b\u17a2\u17d2\u1793\u1780\u1787\u17c6\u1793\u17b6\u1789\u17d6<\/strong> \u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1780\u17b6\u179a\u1796\u17b7\u1793\u17b7\u178f\u17d2\u1799\u17a1\u17be\u1784\u179c\u17b7\u1789\u1793\u17bc\u179c\u1780\u17b6\u179a\u1780\u17c2\u1794\u17d2\u179a\u17c2\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u179b\u17c2\u1784 \u1780\u17c6\u17a0\u17bb\u179f\u1787\u17b6\u1780\u17cb\u179b\u17b6\u1780\u17cb\u1791\u17bc\u1791\u17c5\u1794\u17c6\u1795\u17bb\u178f\u1798\u17bd\u1799\u1782\u17ba\u1780\u17b6\u179a\u1795\u17d2\u1782\u17bc\u1795\u17d2\u1782\u1784\u178f\u17c2\u1780\u17b6\u179a\u179c\u17b6\u1799\u178f\u1798\u17d2\u179b\u17c3\u17a2\u17c6\u1796\u17c2\u179a \u1793\u17b7\u1784\u1791\u17c6\u17a0\u17c6\u179f\u17ca\u17bb\u1798 \u1781\u178e\u17c8\u1796\u17c1\u179b\u178a\u17c2\u179b\u1798\u17b7\u1793\u17a2\u17be\u1796\u17be\u1793\u17b9\u1784\u1794\u179a\u17b7\u1794\u1791\u1785\u179a\u1793\u17d2\u178f\u1780\u17c6\u17a0\u17bb\u179f\u1793\u17c3\u1780\u17b6\u179a\u1795\u17d2\u1782\u17bb\u17c6\u17d4 \u1793\u17c5\u179b\u17be\u1780\u17d2\u179a\u178a\u17b6\u179f \u1780\u17b6\u179a\u1787\u17c6\u1793\u17bd\u179f\u17a2\u17b6\u1785\u1798\u17be\u179b\u1791\u17c5\u179f\u1798\u1798\u17bc\u179b\u17d4 \u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u179c\u17b6\u179b \u1794\u1789\u17d2\u17a0\u17b6\u1793\u17c1\u17c7\u179b\u17c1\u1785\u17a1\u17be\u1784\u1793\u17c5\u1796\u17c1\u179b\u178a\u17c2\u179b SCCR \u1793\u17c3\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17d2\u178f\u17bc\u179a \u17ac\u1794\u1793\u17d2\u1791\u17c7\u179b\u17c2\u1784\u179f\u17d2\u179a\u1794\u1782\u17d2\u1793\u17b6\u1799\u17c9\u17b6\u1784\u1785\u17d2\u1794\u17b6\u179f\u17cb\u1787\u17b6\u1798\u17bd\u1799\u1793\u17b9\u1784\u1785\u179a\u1793\u17d2\u178f\u1780\u17c6\u17a0\u17bb\u179f\u178a\u17c2\u179b\u17a2\u17b6\u1785\u1794\u17d2\u179a\u17be\u1794\u17b6\u1793 \u17ac\u1787\u17b6\u1798\u17bd\u1799\u1782\u17d2\u179a\u17bd\u179f\u17b6\u179a\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u179b\u17c2\u1784\u178a\u17c2\u179b\u1794\u17b6\u1793\u1782\u17d2\u179a\u17c4\u1784\u1791\u17bb\u1780\u17d4.<\/p><\/blockquote>\n<h3>\u1780\u17b6\u179a\u1787\u17d2\u179a\u17be\u179f\u179a\u17be\u179f\u178a\u17c4\u1799\u1780\u17b6\u179a\u179c\u17b6\u1799\u178f\u1798\u17d2\u179b\u17c3\u1785\u179a\u1793\u17d2\u178f\u178f\u17c2\u1798\u17d2\u1793\u17b6\u1780\u17cb\u17af\u1784<\/h3>\n<p>\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1780\u17b6\u179a\u17a2\u1793\u17bb\u179c\u178f\u17d2\u178f\u179a\u1794\u179f\u17cb\u179f\u17a0\u179a\u178a\u17d2\u178b\u17a2\u17b6\u1798\u17c1\u179a\u17b7\u1780 \u1782\u17d2\u179a\u17bd\u179f\u17b6\u179a\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u179b\u17c2\u1784 \u1794\u179a\u17b7\u1794\u1791\u1793\u17c3\u1780\u17b6\u179a\u1795\u17d2\u1782\u17bb\u17c6 \u1795\u17d2\u179b\u17bc\u179c\u1785\u17bb\u17c7\u1794\u1789\u17d2\u1787\u17b8 \u1793\u17b7\u1784\u1780\u1798\u17d2\u1798\u179c\u17b7\u1792\u17b8\u1780\u17bc\u178a \u1782\u17ba\u1787\u17b6\u1795\u17d2\u1793\u17c2\u1780\u1798\u17bd\u1799\u1793\u17c3\u1780\u17b6\u179a\u179f\u1798\u17d2\u179a\u17c1\u1785\u1785\u17b7\u178f\u17d2\u178f \u1798\u17b7\u1793\u178f\u17d2\u179a\u17b9\u1798\u178f\u17c2\u17a2\u17c6\u1796\u17c2\u179a\u1794\u17c9\u17bb\u178e\u17d2\u178e\u17c4\u17c7\u1791\u17c1\u17d4.<\/p>\n<h3>\u1780\u17b6\u179a\u179f\u1793\u17d2\u1798\u178f\u1790\u17b6\u179f\u17c6\u178e\u17bd\u179a \u201c\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u179b\u17c2\u1784 UL\u201d \u1791\u17b6\u17c6\u1784\u17a2\u179f\u17cb\u1788\u1794\u17cb\u1793\u17c5 UL<\/h3>\n<p>\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1782\u1798\u17d2\u179a\u17c4\u1784\u1796\u17b7\u178f\u1794\u17d2\u179a\u17b6\u1780\u178a\u1787\u17b6\u1785\u17d2\u179a\u17be\u1793 \u1785\u1798\u17d2\u179b\u17be\u1799\u1796\u17c1\u1789\u179b\u17c1\u1789\u1780\u17cf\u179a\u17bd\u1798\u1794\u1789\u17d2\u1785\u17bc\u179b\u1795\u1784\u178a\u17c2\u179a\u1793\u17bc\u179c\u179c\u17b7\u1792\u17b6\u1793\u1780\u1798\u17d2\u1798\u179c\u17b7\u1792\u17b8 NEC \u1780\u17b6\u179a\u178e\u17c2\u1793\u17b6\u17c6 NEMA \u1794\u179a\u17b7\u1794\u1791 IEEE C37 \u1793\u17b7\u1784\u1796\u17c1\u179b\u1781\u17d2\u179b\u17c7\u1780\u17d2\u179a\u1794\u1781\u17d0\u178e\u17d2\u178c\u1791\u1791\u17bd\u179b\u179f\u17d2\u1782\u17b6\u179b\u17cb OSHA NRTL \u1793\u17c5\u1796\u17b8\u1780\u17d2\u179a\u17c4\u1799\u1780\u17b6\u179a\u1791\u1791\u17bd\u179b\u1799\u1780\u179c\u17b7\u1789\u17d2\u1789\u17b6\u1794\u1793\u1794\u17d0\u178f\u17d2\u179a\u17d4.<\/p>\n<h2>\u1787\u17b6\u1789\u17b9\u1780\u1789\u17b6\u1794\u17cb\u1794\u17b6\u1793\u179f\u17bd\u179a\u179f\u17c6\u178e\u17bd\u179a<\/h2>\n<h3>\u178f\u17be UL 489 \u178a\u17bc\u1785\u1782\u17d2\u1793\u17b6\u1791\u17c5\u1793\u17b9\u1784 UL 1066 \u178a\u17c2\u179a\u17ac\u1791\u17c1?<\/h3>\n<p>No. UL 489 applies to the molded-case breaker family, while UL 1066 applies to low-voltage power circuit breakers used in enclosures.<\/p>\n<h3>\u178f\u17be NEMA AB 1 \u1781\u17bb\u179f\u1796\u17b8 UL 489 \u178a\u17c2\u179a\u17ac\u1791\u17c1?<\/h3>\n<p>\u1787\u17b6\u1794\u17d2\u179a\u179c\u178f\u17d2\u178f\u17b7\u179f\u17b6\u179f\u17d2\u178f\u17d2\u179a \u1796\u17bd\u1780\u179c\u17b6\u178f\u17d2\u179a\u17bc\u179c\u1794\u17b6\u1793\u178f\u1798\u17d2\u179a\u17b9\u1798\u1799\u17c9\u17b6\u1784\u1787\u17b7\u178f\u179f\u17d2\u1793\u17b7\u1791\u17d2\u1792\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1794\u179a\u17b7\u1794\u1791\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u179b\u17c2\u1784\u1780\u179a\u178e\u17b8\u178a\u17c2\u179b\u1794\u17b6\u1793\u178a\u17c6\u17a1\u17be\u1784\u17d4 \u1791\u17c4\u17c7\u1787\u17b6\u1799\u17c9\u17b6\u1784\u178e\u17b6\u1780\u17cf\u178a\u17c4\u1799 \u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1780\u17b6\u179a\u17a2\u1793\u17bb\u179c\u178f\u17d2\u178f\u1793\u17c5\u17a2\u17b6\u1798\u17c1\u179a\u17b7\u1780\u1781\u17b6\u1784\u1787\u17be\u1784\u1794\u1785\u17d2\u1785\u17bb\u1794\u17d2\u1794\u1793\u17d2\u1793 \u179c\u17b7\u179f\u17d2\u179c\u1780\u179a\u1787\u17b6\u1792\u1798\u17d2\u1798\u178f\u17b6 \u1799\u179b\u17cb\u1796\u17b8\u1780\u17d2\u179a\u1794\u1781\u17d0\u178e\u17d2\u178c\u1795\u179b\u17b7\u178f\u1795\u179b\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u179b\u17c2\u1784\u1780\u179a\u178e\u17b8\u178a\u17c2\u179b\u1794\u17b6\u1793\u178a\u17c6\u17a1\u17be\u1784 \u178f\u17b6\u1798\u179a\u1799\u17c8\u1780\u17b6\u179a\u178f\u1798\u17d2\u179a\u17b9\u1798\u178f\u17d2\u179a\u17b8\u1797\u17b6\u1782\u17b8\u1793\u17c3 <strong>UL 489 \/ CSA C22.2 \u179b\u17c1\u1781 5 \/ NMX-J-266-ANCE<\/strong>, \u1781\u178e\u17c8\u1796\u17c1\u179b\u178a\u17c2\u179b AB 1 \u1798\u17b6\u1793\u1794\u17d2\u179a\u1799\u17c4\u1787\u1793\u17cd\u1787\u17b6\u1784\u1787\u17b6\u1795\u17d2\u1793\u17c2\u1780\u1798\u17bd\u1799\u1793\u17c3\u1794\u17d2\u179a\u179c\u178f\u17d2\u178f\u17b7\u179f\u17b6\u179f\u17d2\u179a\u17d2\u178f\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a \u1793\u17b7\u1784\u1781\u17d2\u179f\u17c2\u179f\u17d2\u179a\u17a1\u17b6\u1799\u1782\u17d2\u179a\u17bd\u179f\u17b6\u179a\u17af\u1780\u179f\u17b6\u179a\u17d4.<\/p>\n<h3>\u178f\u17be NEC \u1787\u17c6\u1793\u17bd\u179f\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a UL \u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u179b\u17c2\u1784\u179f\u17c0\u1782\u17d2\u179c\u17b8\u178a\u17c2\u179a\u17ac\u1791\u17c1?<\/h3>\n<p>No. The NEC governs installation and application. UL standards govern product safety and certification categories.<\/p>\n<h3>Which standard is more relevant for MCCBs?<\/h3>\n<p>In US low-voltage practice, molded-case circuit breakers are primarily associated with the UL 489 \/ NEMA AB 1 side of the framework.<\/p>\n<h3>Which standard is more relevant for low-voltage power breakers in switchgear?<\/h3>\n<p>That is where UL 1066 becomes the more relevant product standard framework.<\/p>\n<h3>\u178f\u17be\u1791\u17c6\u1793\u17b6\u1780\u17cb\u1791\u17c6\u1793\u1784\u179a\u179c\u17b6\u1784 ANSI, IEEE, NEMA, UL \u1793\u17b7\u1784 NEC \u1782\u17ba\u1787\u17b6\u17a2\u17d2\u179c\u17b8?<\/h3>\n<p>ANSI is the coordination and approval layer for American National Standards. IEEE and NEMA are standards-development paths. UL is associated with product standards and product certification activity. NFPA publishes the NEC, and the NEC governs installation and application rather than product listing.<\/p>\n<h2>\u17a2\u1793\u17bb\u179f\u17b6\u179f\u1793\u17cd\u1785\u17bb\u1784\u1780\u17d2\u179a\u17c4\u1799<\/h2>\n<p>\u1794\u17d2\u179a\u179f\u17b7\u1793\u1794\u17be\u17a2\u17d2\u1793\u1780\u1785\u1784\u1785\u17b6\u17c6\u1794\u17b6\u1793\u178f\u17c2\u179a\u17bf\u1784\u1798\u17bd\u1799\u1782\u178f\u17cb\u1796\u17b8\u17a2\u178f\u17d2\u1790\u1794\u1791\u1793\u17c1\u17c7 \u179f\u17bc\u1798\u1792\u17d2\u179c\u17be\u17b1\u17d2\u1799\u179c\u17b6\u1780\u17d2\u179b\u17b6\u1799\u1787\u17b6\u179a\u17bf\u1784\u1793\u17c1\u17c7\u17d6<\/p>\n<ul>\n<li><strong>UL 489<\/strong> = \u1796\u17b7\u1797\u1796\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u179b\u17c2\u1784\u1780\u179a\u178e\u17b8\u178a\u17c2\u179b\u1794\u17b6\u1793\u178a\u17c6\u17a1\u17be\u1784<\/li>\n<li><strong>UL 1066<\/strong> = \u1796\u17b7\u1797\u1796\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u179b\u17c2\u1784\u1790\u17b6\u1798\u1796\u179b\u179c\u17c9\u17bb\u179b\u1791\u17b6\u1794<\/li>\n<li><strong>NEMA AB<\/strong> = \u1782\u17d2\u179a\u17bd\u179f\u17b6\u179a\u17af\u1780\u179f\u17b6\u179a\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u179b\u17c2\u1784\u1780\u179a\u178e\u17b8\u178a\u17c2\u179b\u1794\u17b6\u1793\u178a\u17c6\u17a1\u17be\u1784<\/li>\n<li><strong>IEEE C37<\/strong> = \u1782\u17d2\u179a\u17bd\u179f\u17b6\u179a\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17d2\u178f\u17bc\u179a\u1790\u17b6\u1798\u1796\u179b \u1793\u17b7\u1784\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u179b\u17c2\u1784\u1790\u17b6\u1798\u1796\u179b<\/li>\n<li><strong>\u1782.\u1787.\u1794<\/strong> = \u1780\u17bc\u178a\u178a\u17c6\u17a1\u17be\u1784 \u1793\u17b7\u1784\u1780\u1798\u17d2\u1798\u179c\u17b7\u1792\u17b8<\/li>\n<\/ul>\n<p>\u1793\u17c5\u1796\u17c1\u179b\u178a\u17c2\u179b\u178f\u17bd\u1793\u17b6\u1791\u17b8\u1791\u17b6\u17c6\u1784\u1793\u17c4\u17c7\u178f\u17d2\u179a\u17bc\u179c\u1794\u17b6\u1793\u1794\u17c6\u1794\u17c2\u1780\u1799\u17c9\u17b6\u1784\u1785\u17d2\u1794\u17b6\u179f\u17cb \u1780\u17b6\u179a\u1787\u17d2\u179a\u17be\u179f\u179a\u17be\u179f\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u179b\u17c2\u1784\u179a\u1794\u179f\u17cb\u179f\u17a0\u179a\u178a\u17d2\u178b\u17a2\u17b6\u1798\u17c1\u179a\u17b7\u1780\u1780\u17b6\u1793\u17cb\u178f\u17c2\u1784\u17b6\u1799\u179f\u17d2\u179a\u17bd\u179b\u1780\u17d2\u1793\u17bb\u1784\u1780\u17b6\u179a\u1794\u1780\u179f\u17d2\u179a\u17b6\u1799\u17d4.<\/p>\n<p>\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1794\u17d2\u179a\u1792\u17b6\u1793\u1794\u1791\u178a\u17c2\u179b\u1793\u17c5\u1787\u17b6\u1794\u17cb\u1782\u17d2\u1793\u17b6 \u179f\u17bc\u1798\u1794\u1793\u17d2\u178f\u1791\u17c5\u17d6<\/p>\n<ul>\n<li><a href=\"https:\/\/test.viox.com\/km\/mccb\/\">MCCB<\/a><\/li>\n<li><a href=\"https:\/\/test.viox.com\/km\/acb\/\">ACB<\/a><\/li>\n<li><a href=\"https:\/\/test.viox.com\/km\/full-guide-to-molded-case-circuit-breakers-mccbs\/\">\u1798\u1782\u17d2\u1782\u17bb\u1791\u17d2\u1791\u17c1\u179f\u1780\u17cd\u1796\u17c1\u1789\u179b\u17c1\u1789\u1785\u17c6\u1796\u17c4\u17c7\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u179b\u17c2\u1784\u179f\u17c0\u1782\u17d2\u179c\u17b8\u1795\u17d2\u179f\u17b7\u178f (MCCBs)<\/a><\/li>\n<li><a href=\"https:\/\/test.viox.com\/km\/complete-guide-to-air-circuit-breakers-acb\/\">\u1798\u1782\u17d2\u1782\u17bb\u1791\u17d2\u1791\u17c1\u179f\u1780\u17cd\u1796\u17c1\u1789\u179b\u17c1\u1789\u1785\u17c6\u1796\u17c4\u17c7\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u1794\u17c2\u1780\u179f\u17c0\u1782\u17d2\u179c\u17b8\u1781\u17d2\u1799\u179b\u17cb (ACB)<\/a><\/li>\n<\/ul>\n<\/div>\n<div class=\"simg-pop-btn\" style=\"top: 94.875px; left: 14px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 94.875px; left: 14px; display: none;\"><\/div>","protected":false},"excerpt":{"rendered":"<p>An engineer reviewing US low-voltage circuit breaker standards and documentation in a switchgear facility. If you work with low-voltage circuit breakers in the United States, the hardest part is often not the breaker itself. It is figuring out who does what in the standards system. People see names like: ANSI IEEE NEMA UL NFPA UL [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":23339,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-23338","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/test.viox.com\/km\/wp-json\/wp\/v2\/posts\/23338","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/test.viox.com\/km\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/test.viox.com\/km\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/test.viox.com\/km\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/test.viox.com\/km\/wp-json\/wp\/v2\/comments?post=23338"}],"version-history":[{"count":1,"href":"https:\/\/test.viox.com\/km\/wp-json\/wp\/v2\/posts\/23338\/revisions"}],"predecessor-version":[{"id":23340,"href":"https:\/\/test.viox.com\/km\/wp-json\/wp\/v2\/posts\/23338\/revisions\/23340"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/test.viox.com\/km\/wp-json\/wp\/v2\/media\/23339"}],"wp:attachment":[{"href":"https:\/\/test.viox.com\/km\/wp-json\/wp\/v2\/media?parent=23338"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/test.viox.com\/km\/wp-json\/wp\/v2\/categories?post=23338"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/test.viox.com\/km\/wp-json\/wp\/v2\/tags?post=23338"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}