{"id":20786,"date":"2025-12-13T13:21:16","date_gmt":"2025-12-13T05:21:16","guid":{"rendered":"https:\/\/viox.com\/?p=20786"},"modified":"2025-12-13T13:22:38","modified_gmt":"2025-12-13T05:22:38","slug":"spd-installation-mistakes-fix-guide","status":"publish","type":"post","link":"https:\/\/test.viox.com\/km\/spd-installation-mistakes-fix-guide\/","title":{"rendered":"\u1780\u17c6\u17a0\u17bb\u179f\u1791\u17bc\u1791\u17c5\u1785\u17c6\u1793\u17bd\u1793 10 \u1780\u17d2\u1793\u17bb\u1784\u1780\u17b6\u179a\u178a\u17c6\u17a1\u17be\u1784 SPD (\u1793\u17b7\u1784\u179c\u17b7\u1792\u17b8\u178a\u17c4\u17c7\u179f\u17d2\u179a\u17b6\u1799)"},"content":{"rendered":"<div class=\"product-intro\">\n<h2>\u17a0\u17c1\u178f\u17bb\u17a2\u17d2\u179c\u17b8\u1794\u17b6\u1793\u1787\u17b6\u1780\u17c6\u17a0\u17bb\u179f\u1780\u17d2\u1793\u17bb\u1784\u1780\u17b6\u179a\u178a\u17c6\u17a1\u17be\u1784 SPD \u1798\u17b6\u1793\u178f\u1798\u17d2\u179b\u17c3\u1790\u17d2\u179b\u17c3\u1787\u17b6\u1784\u17a2\u17d2\u179c\u17b8\u178a\u17c2\u179b\u17a2\u17d2\u1793\u1780\u1782\u17b7\u178f<\/h2>\n<p>\u179a\u1793\u17d2\u1791\u17c7\u1794\u17b6\u1789\u17cb\u178f\u17c2\u1798\u17bd\u1799\u178a\u1784\u1793\u17c5\u1780\u17d2\u1794\u17c2\u179a\u1781\u17d2\u179f\u17c2\u1790\u17b6\u1798\u1796\u179b\u1781\u17b6\u1784\u179b\u17be \u1794\u1784\u17d2\u1780\u17be\u178f\u179c\u17b6\u179b\u17a2\u17c1\u17a1\u17b7\u1785\u178f\u17d2\u179a\u17bc magnetic \u178a\u17c2\u179b\u1794\u178e\u17d2\u178f\u17b6\u179b\u17b1\u17d2\u1799\u1798\u17b6\u1793\u1780\u17b6\u179a\u1780\u17be\u1793\u17a1\u17be\u1784\u179c\u17c9\u17bb\u179b\u179b\u17be\u179f\u1796\u17b8 6,000 \u179c\u17c9\u17bb\u179b\u17d4 \u1793\u17c5\u1796\u17c1\u179b\u178a\u17c2\u179b <a href=\"https:\/\/test.viox.com\/km\/spd\/\">\u17a7\u1794\u1780\u179a\u178e\u17cd\u1780\u17b6\u179a\u1796\u17b6\u179a\u1780\u17b6\u179a\u1780\u17be\u1793\u17a1\u17be\u1784 (SPDs)<\/a> \u1794\u179a\u17b6\u1787\u17d0\u1799\u178a\u17c4\u1799\u179f\u17b6\u179a\u1780\u17b6\u179a\u178a\u17c6\u17a1\u17be\u1784\u1798\u17b7\u1793\u178f\u17d2\u179a\u17b9\u1798\u178f\u17d2\u179a\u17bc\u179c \u1795\u179b\u179c\u17b7\u1794\u17b6\u1780\u1794\u17b6\u1793\u1796\u1784\u17d2\u179a\u17b8\u1780\u17a0\u17bd\u179f\u1796\u17b8\u1780\u17b6\u179a\u1781\u17bc\u1785\u1781\u17b6\u178f\u17a7\u1794\u1780\u179a\u178e\u17cd\u17d4 \u1780\u17b6\u179a\u1795\u17d2\u17a2\u17b6\u1780\u178a\u17c6\u178e\u17be\u179a\u1780\u17b6\u179a\u179a\u17c4\u1784\u1785\u1780\u17d2\u179a \u1780\u17b6\u179a\u1781\u17b6\u178f\u1794\u1784\u17cb\u1795\u179b\u17b7\u178f\u1780\u1798\u17d2\u1798 \u1793\u17b7\u1784\u17a7\u1794\u17d2\u1794\u178f\u17d2\u178f\u17b7\u17a0\u17c1\u178f\u17bb\u179f\u17bb\u179c\u178f\u17d2\u1790\u17b7\u1797\u17b6\u1796 \u1794\u1784\u17d2\u1780\u17be\u178f\u1795\u179b\u1794\u17c9\u17c7\u1796\u17b6\u179b\u17cb\u1795\u17d2\u1793\u17c2\u1780\u17a0\u17b7\u179a\u1789\u17d2\u1789\u179c\u178f\u17d2\u1790\u17bb\u178a\u17c2\u179b\u1792\u17d2\u179c\u17be\u17b1\u17d2\u1799\u178f\u1798\u17d2\u179b\u17c3\u178a\u17c6\u1794\u17bc\u1784\u1793\u17c3\u1780\u17b6\u179a\u178a\u17c6\u17a1\u17be\u1784\u178f\u17d2\u179a\u17b9\u1798\u178f\u17d2\u179a\u17bc\u179c\u1798\u17be\u179b\u1791\u17c5\u178f\u17bc\u1785\u17d4.<\/p>\n<p>\u1791\u17b7\u1793\u17d2\u1793\u1793\u17d0\u1799\u17a7\u179f\u17d2\u179f\u17b6\u17a0\u1780\u1798\u17d2\u1798\u1794\u1784\u17d2\u17a0\u17b6\u1789\u1790\u17b6 SPDs \u178a\u17c2\u179b\u1794\u17b6\u1793\u178a\u17c6\u17a1\u17be\u1784\u1798\u17b7\u1793\u178f\u17d2\u179a\u17b9\u1798\u178f\u17d2\u179a\u17bc\u179c\u1794\u179a\u17b6\u1787\u17d0\u1799\u1780\u17d2\u1793\u17bb\u1784\u17a2\u178f\u17d2\u179a\u17b6\u1781\u17d2\u1796\u179f\u17cb\u1787\u17b6\u1784 20% \u1780\u17d2\u1793\u17bb\u1784\u1786\u17d2\u1793\u17b6\u17c6\u178a\u17c6\u1794\u17bc\u1784 \u1794\u17be\u1794\u17d2\u179a\u17c0\u1794\u1792\u17c0\u1794\u1791\u17c5\u1793\u17b9\u1784\u1782\u17d2\u179a\u17bf\u1784\u178a\u17c2\u179b\u1794\u17b6\u1793\u1790\u17c2\u1791\u17b6\u17c6\u178f\u17d2\u179a\u17b9\u1798\u178f\u17d2\u179a\u17bc\u179c\u17d4 \u1791\u17c4\u17c7\u1799\u17c9\u17b6\u1784\u178e\u17b6\u1780\u17cf\u178a\u17c4\u1799 \u17a2\u17d2\u1793\u1780\u1798\u17c9\u17c5\u1780\u17b6\u179a\u17a2\u1782\u17d2\u1782\u17b7\u179f\u1793\u17b8\u1787\u17b6\u1785\u17d2\u179a\u17be\u1793\u1793\u17c5\u178f\u17c2\u1794\u1793\u17d2\u178f\u1792\u17d2\u179c\u17be\u1780\u17c6\u17a0\u17bb\u179f\u1780\u17d2\u1793\u17bb\u1784\u1780\u17b6\u179a\u178a\u17c6\u17a1\u17be\u1784\u178a\u178a\u17c2\u179b\u17d7 \u178a\u17c2\u179b\u1792\u17d2\u179c\u17be\u17b1\u17d2\u1799\u1794\u17c9\u17c7\u1796\u17b6\u179b\u17cb\u178a\u179b\u17cb\u1794\u17d2\u179a\u179f\u17b7\u1791\u17d2\u1792\u1797\u17b6\u1796\u1793\u17c3\u1780\u17b6\u179a\u1780\u17b6\u179a\u1796\u17b6\u179a\u17d4 \u17a2\u178f\u17d2\u1790\u1794\u1791\u1793\u17c1\u17c7\u1796\u17b7\u1793\u17b7\u178f\u17d2\u1799\u1798\u17be\u179b\u1780\u17c6\u17a0\u17bb\u179f\u1780\u17d2\u1793\u17bb\u1784\u1780\u17b6\u179a\u178a\u17c6\u17a1\u17be\u1784 SPD \u179f\u17c6\u1781\u17b6\u1793\u17cb\u17d7\u1794\u17c6\u1795\u17bb\u178f\u1791\u17b6\u17c6\u1784\u178a\u1794\u17cb \u1793\u17b7\u1784\u1795\u17d2\u178f\u179b\u17cb\u1793\u17bc\u179c\u178a\u17c6\u178e\u17c4\u17c7\u179f\u17d2\u179a\u17b6\u1799\u1794\u1785\u17d2\u1785\u17c1\u1780\u1791\u17c1\u179f\u178a\u17c4\u1799\u1795\u17d2\u17a2\u17c2\u1780\u179b\u17be\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a IEC 61643, UL 1449 \u1793\u17b7\u1784 NEC Article 285 \u17d4.<\/p>\n<figure style=\"margin: 20px 0; text-align: center;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" src=\"https:\/\/img.viox.com\/professional-spd-installation-showing-viox-type-2-device-mounted-on-din-rail-with-proper-short-conductor-connections-in-electrical-distribution-panel.webp\" alt=\"Professional SPD installation showing VIOX Type 2 device mounted on DIN rail with proper short conductor connections in electrical distribution panel\" \/><figcaption style=\"font-style: italic; font-size: 0.9em; color: #666; margin-top: 8px;\">\u1780\u17b6\u179a\u178a\u17c6\u17a1\u17be\u1784 SPD \u1794\u17d2\u179a\u1780\u1794\u178a\u17c4\u1799\u179c\u17b7\u1787\u17d2\u1787\u17b6\u1787\u17b8\u179c\u17c8\u178a\u17c2\u179b\u1794\u1784\u17d2\u17a0\u17b6\u1789\u17a7\u1794\u1780\u179a\u178e\u17cd VIOX Type 2 \u178a\u17c2\u179b\u1794\u17b6\u1793\u1798\u17c9\u17c4\u1793\u1793\u17c5\u179b\u17be\u1795\u17d2\u179b\u17bc\u179c\u178a\u17c2\u1780 DIN \u1787\u17b6\u1798\u17bd\u1799\u1793\u17b9\u1784\u1780\u17b6\u179a\u178f\u1797\u17d2\u1787\u17b6\u1794\u17cb conductor \u1781\u17d2\u179b\u17b8\u178f\u17d2\u179a\u17b9\u1798\u178f\u17d2\u179a\u17bc\u179c\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1794\u1793\u17d2\u1791\u17c7\u1785\u17c2\u1780\u1785\u17b6\u1799\u17a2\u1782\u17d2\u1782\u17b7\u179f\u1793\u17b8<\/figcaption><\/figure>\n<h2>\u1780\u17c6\u17a0\u17bb\u179f\u1791\u17b8 1\u17d6 \u1794\u17d2\u179a\u179c\u17c2\u1784\u1781\u17d2\u179f\u17c2\u1793\u17b6\u17c6\u1798\u17bb\u1781\u179b\u17be\u179f\u179b\u1794\u17cb \u1780\u17b6\u178f\u17cb\u1794\u1793\u17d2\u1790\u1799\u1794\u17d2\u179a\u179f\u17b7\u1791\u17d2\u1792\u1797\u17b6\u1796\u1793\u17c3\u1780\u17b6\u179a\u1780\u17b6\u179a\u1796\u17b6\u179a<\/h2>\n<p>\u179a\u17b6\u179b\u17cb\u17a2\u17ca\u17b8\u1789\u1793\u17c3\u1794\u17d2\u179a\u179c\u17c2\u1784 conductor \u179a\u179c\u17b6\u1784 SPD \u1793\u17b7\u1784\u17a7\u1794\u1780\u179a\u178e\u17cd\u178a\u17c2\u179b\u1794\u17b6\u1793\u1780\u17b6\u179a\u1796\u17b6\u179a \u1794\u1793\u17d2\u1790\u17c2\u1798 15-25 \u179c\u17c9\u17bb\u179b\u1791\u17c5\u179c\u17c9\u17bb\u179b let-through \u17d4 \u1793\u17c5\u1796\u17c1\u179b\u178a\u17c2\u179b\u17a2\u17d2\u1793\u1780\u178a\u17c6\u17a1\u17be\u1784\u178a\u17c6\u178e\u17be\u179a\u1780\u17b6\u179a\u1794\u17d2\u179a\u179c\u17c2\u1784\u1781\u17d2\u179f\u17c2\u179b\u17be\u179f\u179b\u1794\u17cb \u1787\u17b6\u179a\u17bf\u1799\u17d7\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u17a0\u17c1\u178f\u17bb\u1795\u179b\u179f\u17c4\u1797\u17d0\u178e\u1797\u17b6\u1796 \u17ac\u1797\u17b6\u1796\u1784\u17b6\u1799\u179f\u17d2\u179a\u17bd\u179b \u1796\u17bd\u1780\u1782\u17c1\u1792\u17d2\u179c\u17be\u17b1\u17d2\u1799\u1781\u17bc\u1785\u179f\u1798\u178f\u17d2\u1790\u1797\u17b6\u1796\u1780\u17b6\u179a\u1796\u17b6\u179a\u179a\u1794\u179f\u17cb\u17a7\u1794\u1780\u179a\u178e\u17cd\u1787\u17b6\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u17d4.<\/p>\n<p>\u179f\u17bc\u1798\u1796\u17b7\u1785\u17b6\u179a\u178e\u17b6 SPD \u178a\u17c2\u179b\u1798\u17b6\u1793\u1780\u1798\u17d2\u179a\u17b7\u178f 400V \u1780\u17d2\u179a\u17c4\u1798\u179b\u1780\u17d2\u1781\u1781\u178e\u17d2\u178c\u178f\u17c1\u179f\u17d2\u178f UL 1449 (\u1781\u17d2\u179f\u17c2\u1793\u17b6\u17c6\u1798\u17bb\u1781 6 \u17a2\u17ca\u17b8\u1789)\u17d4 \u1780\u17b6\u179a\u178a\u17c6\u17a1\u17be\u1784\u17a7\u1794\u1780\u179a\u178e\u17cd\u178a\u17bc\u1785\u1782\u17d2\u1793\u17b6\u1787\u17b6\u1798\u17bd\u1799\u1793\u17b9\u1784\u1781\u17d2\u179f\u17c2 14 \u17a2\u17ca\u17b8\u1789\u1793\u17c3\u1781\u17d2\u179f\u17c2 AWG \u1794\u1793\u17d2\u1790\u17c2\u1798\u1794\u17d2\u179a\u17a0\u17c2\u179b 300V \u1791\u17c5\u179c\u17c9\u17bb\u179b\u1791\u1794\u17cb\u179f\u17d2\u1780\u17b6\u178f\u17cb\u17d4 \u17a5\u17a1\u17bc\u179c\u1793\u17c1\u17c7\u17a7\u1794\u1780\u179a\u178e\u17cd\u179a\u1794\u179f\u17cb\u17a2\u17d2\u1793\u1780\u1794\u17d2\u179a\u1788\u1798\u1798\u17bb\u1781\u1793\u17b9\u1784\u1787\u17b7\u178f 700V \u1780\u17c6\u17a1\u17bb\u1784\u1796\u17c1\u179b\u1798\u17b6\u1793\u1780\u17b6\u179a\u1780\u17be\u1793\u17a1\u17be\u1784\u179c\u17c9\u17bb\u179b \u1787\u17c6\u1793\u17bd\u179f\u17b1\u17d2\u1799 400V \u178a\u17c2\u179b\u1794\u17b6\u1793\u1794\u1789\u17d2\u1787\u17b6\u1780\u17cb\u17d4.<\/p>\n<p><strong>\u178a\u17c6\u178e\u17c4\u17c7\u179f\u17d2\u179a\u17b6\u1799\u17d6<\/strong> \u179a\u1780\u17d2\u179f\u17b6\u1794\u17d2\u179a\u179c\u17c2\u1784 conductor \u179f\u179a\u17bb\u1794\u1780\u17d2\u179a\u17c4\u1798 0.5 \u1798\u17c9\u17c2\u178f\u17d2\u179a (\u1794\u17d2\u179a\u17a0\u17c2\u179b 20 \u17a2\u17ca\u17b8\u1789) \u178a\u17bc\u1785\u178a\u17c2\u179b\u1794\u17b6\u1793\u1794\u1789\u17d2\u1787\u17b6\u1780\u17cb\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a\u178a\u17c6\u17a1\u17be\u1784\u17d4 \u178a\u17b6\u1780\u17cb\u1781\u17d2\u179f\u17c2 phase, neutral \u1793\u17b7\u1784 ground conductors \u1787\u17b6\u1798\u17bd\u1799\u1782\u17d2\u1793\u17b6 \u178a\u17c4\u1799\u179a\u1780\u17d2\u179f\u17b6\u1794\u17d2\u179a\u179c\u17c2\u1784\u179f\u17d2\u1798\u17be\u1782\u17d2\u1793\u17b6\u17d4 \u1793\u17c5\u1796\u17c1\u179b\u178a\u17c2\u179b\u1780\u17b6\u179a\u1786\u17d2\u179b\u1784\u1780\u17b6\u178f\u17cb\u1781\u17d2\u179f\u17c2\u1795\u17d2\u179f\u17c1\u1784\u1791\u17c0\u178f\u1782\u17ba\u1787\u17c0\u179f\u1798\u17b7\u1793\u179a\u17bd\u1785 \u179f\u17bc\u1798\u1792\u17d2\u179c\u17be\u178a\u17bc\u1785\u17d2\u1793\u17c1\u17c7\u1793\u17c5\u1798\u17bb\u17c6\u1781\u17b6\u1784\u179f\u17d2\u178f\u17b6\u17c6 \u178a\u17be\u1798\u17d2\u1794\u17b8\u1780\u17b6\u178f\u17cb\u1794\u1793\u17d2\u1790\u1799\u1780\u17b6\u179a\u1787\u17d2\u179a\u17c0\u178f\u1787\u17d2\u179a\u17c2\u1780\u17a2\u17c1\u17a1\u17b7\u1785\u178f\u17d2\u179a\u17bc magnetic \u17d4 \u178a\u17c6\u17a1\u17be\u1784 SPDs \u17b1\u17d2\u1799\u1787\u17b7\u178f\u1794\u17c6\u1795\u17bb\u178f\u178f\u17b6\u1798\u178a\u17c2\u179b\u17a2\u17b6\u1785\u1792\u17d2\u179c\u17be\u1791\u17c5\u1794\u17b6\u1793\u1791\u17c5\u1793\u17b9\u1784\u1785\u17d2\u179a\u1780\u1785\u17bc\u179b\u179f\u17c1\u179c\u17b6\u1780\u1798\u17d2\u1798 \u17ac\u1794\u1793\u17d2\u1791\u17c7\u1785\u17c2\u1780\u1785\u17b6\u1799 \u178a\u17be\u1798\u17d2\u1794\u17b8\u1780\u17b6\u178f\u17cb\u1794\u1793\u17d2\u1790\u1799\u1780\u17b6\u179a\u179a\u178f\u17cb conductor \u17d4.<\/p>\n<figure style=\"margin: 20px 0; text-align: center;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" src=\"https:\/\/img.viox.com\/comparison-image-showing-incorrect-excessive-lead-length-installation-versus-correct-short-direct-conductor-routing-in-viox-spd-installation.webp\" alt=\"Comparison image showing incorrect excessive lead length installation versus correct short, direct conductor routing in VIOX SPD installation\" \/><figcaption style=\"font-style: italic; font-size: 0.9em; color: #666; margin-top: 8px;\">\u179a\u17bc\u1794\u1797\u17b6\u1796\u1794\u17d2\u179a\u17c0\u1794\u1792\u17c0\u1794\u178a\u17c2\u179b\u1794\u1784\u17d2\u17a0\u17b6\u1789\u1796\u17b8\u1780\u17b6\u179a\u178a\u17c6\u17a1\u17be\u1784\u1794\u17d2\u179a\u179c\u17c2\u1784\u1781\u17d2\u179f\u17c2\u1793\u17b6\u17c6\u1798\u17bb\u1781\u179b\u17be\u179f\u179b\u1794\u17cb\u1798\u17b7\u1793\u178f\u17d2\u179a\u17b9\u1798\u178f\u17d2\u179a\u17bc\u179c \u1794\u17be\u1794\u17d2\u179a\u17c0\u1794\u1792\u17c0\u1794\u1791\u17c5\u1793\u17b9\u1784\u1780\u17b6\u179a\u1794\u1789\u17d2\u1787\u17bc\u1793 conductor \u1781\u17d2\u179b\u17b8 \u1793\u17b7\u1784\u1795\u17d2\u1791\u17b6\u179b\u17cb\u178f\u17d2\u179a\u17b9\u1798\u178f\u17d2\u179a\u17bc\u179c \u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1780\u17b6\u179a\u178a\u17c6\u17a1\u17be\u1784 VIOX SPD<\/figcaption><\/figure>\n<h2>\u1780\u17c6\u17a0\u17bb\u179f\u1791\u17b8 2\u17d6 \u1791\u17c6\u17a0\u17c6 Conductor \u1798\u17b7\u1793\u178f\u17d2\u179a\u17b9\u1798\u178f\u17d2\u179a\u17bc\u179c \u1794\u1784\u17d2\u1780\u17be\u178f\u1782\u17d2\u179a\u17c4\u17c7\u1790\u17d2\u1793\u17b6\u1780\u17cb\u1797\u17d2\u179b\u17be\u1784<\/h2>\n<p>\u1780\u17b6\u179a\u1794\u17d2\u179a\u17be conductors \u178a\u17c2\u179b\u1798\u17b6\u1793\u1791\u17c6\u17a0\u17c6\u178f\u17bc\u1785\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1780\u17b6\u179a\u178f\u1797\u17d2\u1787\u17b6\u1794\u17cb SPD \u1794\u1784\u17d2\u1780\u17be\u178f\u1797\u17b6\u1796\u1792\u1793\u17cb\u178a\u17c2\u179b\u1794\u1784\u17d2\u1780\u17be\u178f\u1780\u17c6\u178a\u17c5\u1780\u17c6\u17a1\u17bb\u1784\u1796\u17c1\u179b\u1798\u17b6\u1793\u1780\u17b6\u179a\u1780\u17be\u1793\u17a1\u17be\u1784\u179c\u17c9\u17bb\u179b\u17d4 \u1793\u17c1\u17c7\u1794\u1784\u17d2\u1780\u17a0\u17b6\u1793\u17b7\u1797\u17d0\u1799\u1797\u17d2\u179b\u17be\u1784 \u1793\u17b7\u1784\u1780\u17b6\u178f\u17cb\u1794\u1793\u17d2\u1790\u1799\u179f\u1798\u178f\u17d2\u1790\u1797\u17b6\u1796\u179a\u1794\u179f\u17cb\u17a7\u1794\u1780\u179a\u178e\u17cd\u1780\u17d2\u1793\u17bb\u1784\u1780\u17b6\u179a\u1794\u1784\u17d2\u179c\u17c2\u179a\u1785\u179a\u1793\u17d2\u178f\u1780\u17be\u1793\u17a1\u17be\u1784\u178a\u17c4\u1799\u1798\u17b6\u1793\u1794\u17d2\u179a\u179f\u17b7\u1791\u17d2\u1792\u1797\u17b6\u1796\u17d4 \u17a2\u17d2\u1793\u1780\u178a\u17c6\u17a1\u17be\u1784\u1787\u17b6\u1785\u17d2\u179a\u17be\u1793\u179f\u1793\u17d2\u1798\u178f\u17cb\u1798\u17b7\u1793\u178f\u17d2\u179a\u17b9\u1798\u178f\u17d2\u179a\u17bc\u179c\u1790\u17b6\u1791\u17c6\u17a0\u17c6\u1781\u17d2\u179f\u17c2\u179f\u17c0\u1782\u17d2\u179c\u17b8\u179f\u17b6\u1781\u17b6\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a\u17a2\u1793\u17bb\u179c\u178f\u17d2\u178f\u1785\u17c6\u1796\u17c4\u17c7\u1780\u17b6\u179a\u178f\u1797\u17d2\u1787\u17b6\u1794\u17cb SPD \u17d4.<\/p>\n<p>Conductor \u178f\u17d2\u179a\u17bc\u179c\u178f\u17c2\u17a2\u17b6\u1785\u1782\u17d2\u179a\u1794\u17cb\u1782\u17d2\u179a\u1784\u1785\u179a\u1793\u17d2\u178f\u1794\u1789\u17d2\u1785\u17c1\u1789\u17a2\u178f\u17b7\u1794\u179a\u1798\u17b6\u179a\u1794\u179f\u17cb SPD (Imax) \u178a\u17c4\u1799\u1798\u17b7\u1793\u17a1\u17be\u1784\u1780\u17c6\u178a\u17c5\u17d4 \u179b\u17be\u179f\u1796\u17b8\u1793\u17c1\u17c7 \u1791\u17c6\u17a0\u17c6\u1781\u17d2\u179f\u17c2\u178f\u17d2\u179a\u17bc\u179c\u178f\u17c2\u17a2\u1793\u17bb\u179b\u17c4\u1798\u178f\u17b6\u1798 Short Circuit Current Rating (SCCR) \u179a\u1794\u179f\u17cb\u17a7\u1794\u1780\u179a\u178e\u17cd \u1793\u17b7\u1784\u1785\u179a\u1793\u17d2\u178f\u1780\u17c6\u17a0\u17bb\u179f\u178a\u17c2\u179b\u1798\u17b6\u1793\u1793\u17c5\u1785\u17c6\u178e\u17bb\u1785\u178a\u17c6\u17a1\u17be\u1784\u17d4.<\/p>\n<p><strong>\u178a\u17c6\u178e\u17c4\u17c7\u179f\u17d2\u179a\u17b6\u1799\u17d6<\/strong> \u17a2\u1793\u17bb\u179c\u178f\u17d2\u178f\u178f\u17b6\u1798\u179b\u1780\u17d2\u1781\u178e\u17c8\u1794\u1785\u17d2\u1785\u17c1\u1780\u1791\u17c1\u179f\u179a\u1794\u179f\u17cb\u17a2\u17d2\u1793\u1780\u1795\u179b\u17b7\u178f\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1791\u17c6\u17a0\u17c6 conductor \u17a2\u1794\u17d2\u1794\u1794\u179a\u1798\u17b6 \u1787\u17b6\u1792\u1798\u17d2\u1798\u178f\u17b6\u178f\u17d2\u179a\u17bc\u179c\u1780\u17b6\u179a AWG \u17a2\u1794\u17d2\u1794\u1794\u179a\u1798\u17b6 14 \u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1780\u17b6\u179a\u1794\u17d2\u179a\u17be\u1794\u17d2\u179a\u17b6\u179f\u17cb\u1780\u17d2\u1793\u17bb\u1784\u179b\u17c6\u1793\u17c5\u178a\u17d2\u178b\u17b6\u1793 \u1793\u17b7\u1784 AWG 10 \u17ac\u1792\u17c6\u1787\u17b6\u1784\u1793\u17c1\u17c7\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1780\u17b6\u179a\u178a\u17c6\u17a1\u17be\u1784\u1796\u17b6\u178e\u17b7\u1787\u17d2\u1787\u1780\u1798\u17d2\u1798\u17d4 \u1795\u17d2\u1791\u17c0\u1784\u1795\u17d2\u1791\u17b6\u178f\u17cb\u1790\u17b6 ampacity conductor \u179b\u17be\u179f\u1796\u17b8\u1785\u179a\u1793\u17d2\u178f\u1794\u1789\u17d2\u1785\u17c1\u1789\u1794\u1793\u17d2\u1791\u17b6\u1794\u17cb\u1794\u1793\u17d2\u179f\u17c6\u179a\u1794\u179f\u17cb SPD (In) \u17d4 \u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb SPDs Type 1 \u178a\u17c2\u179b\u1782\u17d2\u179a\u1794\u17cb\u1782\u17d2\u179a\u1784\u179a\u1793\u17d2\u1791\u17c7\u1794\u17b6\u1789\u17cb\u1790\u17b6\u1798\u1796\u179b\u1781\u17d2\u1796\u179f\u17cb AWG 6 \u17ac\u1792\u17c6\u1787\u17b6\u1784\u1793\u17c1\u17c7\u17a2\u17b6\u1785\u1785\u17b6\u17c6\u1794\u17b6\u1785\u17cb\u17d4 \u1780\u17bb\u17c6\u1780\u17b6\u178f\u17cb\u1794\u1793\u17d2\u1790\u1799\u1791\u17c6\u17a0\u17c6 conductor \u1780\u17d2\u179a\u17c4\u1798\u17a2\u17d2\u179c\u17b8\u178a\u17c2\u179b\u17a2\u17d2\u1793\u1780\u1795\u179b\u17b7\u178f\u1794\u17b6\u1793\u1794\u1789\u17d2\u1787\u17b6\u1780\u17cb \u178a\u17c4\u1799\u1798\u17b7\u1793\u1782\u17b7\u178f\u1796\u17b8\u1780\u17bc\u178a\u17a2\u1794\u17d2\u1794\u1794\u179a\u1798\u17b6\u1780\u17d2\u1793\u17bb\u1784\u178f\u17c6\u1794\u1793\u17cb\u17d4.<\/p>\n<h2>\u1780\u17c6\u17a0\u17bb\u179f\u1791\u17b8 3\u17d6 \u1780\u17b6\u179a\u1787\u17d2\u179a\u17be\u179f\u179a\u17be\u179f\u1794\u17d2\u179a\u1797\u17c1\u1791 SPD \u1781\u17bb\u179f\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1791\u17b8\u178f\u17b6\u17c6\u1784\u178a\u17c6\u17a1\u17be\u1784<\/h2>\n<p>\u1794\u17d2\u179a\u1797\u17c1\u1791 SPD \u1791\u17b6\u17c6\u1784\u1794\u17b8\u1794\u1798\u17d2\u179a\u17be\u1798\u17bb\u1781\u1784\u17b6\u179a\u1781\u17bb\u179f\u1782\u17d2\u1793\u17b6\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u17a2\u1782\u17d2\u1782\u17b7\u179f\u1793\u17b8\u17d4 \u17a7\u1794\u1780\u179a\u178e\u17cd Type 1 \u178a\u17c6\u17a1\u17be\u1784\u1793\u17c5\u1785\u17d2\u179a\u1780\u1785\u17bc\u179b\u179f\u17c1\u179c\u17b6\u1780\u1798\u17d2\u1798 \u178a\u17be\u1798\u17d2\u1794\u17b8\u1782\u17d2\u179a\u1794\u17cb\u1782\u17d2\u179a\u1784\u179a\u1793\u17d2\u1791\u17c7\u1794\u17b6\u1789\u17cb\u178a\u17c4\u1799\u1795\u17d2\u1791\u17b6\u179b\u17cb\u1787\u17b6\u1798\u17bd\u1799\u1793\u17b9\u1784\u179f\u1798\u178f\u17d2\u1790\u1797\u17b6\u1796\u1794\u1789\u17d2\u1785\u17c1\u1789\u1781\u17d2\u1796\u179f\u17cb\u17d4 \u17a7\u1794\u1780\u179a\u178e\u17cd Type 2 \u1780\u17b6\u179a\u1796\u17b6\u179a\u1794\u1793\u17d2\u1791\u17c7\u1785\u17c2\u1780\u1785\u17b6\u1799\u1794\u17d2\u179a\u1786\u17b6\u17c6\u1784\u1793\u17b9\u1784\u179a\u1793\u17d2\u1791\u17c7\u178a\u17c4\u1799\u1794\u17d2\u179a\u1799\u17c4\u179b \u1793\u17b7\u1784\u1780\u17b6\u179a\u1780\u17be\u1793\u17a1\u17be\u1784\u179c\u17c9\u17bb\u179b\u178a\u17c4\u1799\u179f\u17b6\u179a\u1780\u17b6\u179a\u1794\u17d2\u178f\u17bc\u179a\u17d4 \u17a7\u1794\u1780\u179a\u178e\u17cd Type 3 \u1795\u17d2\u178f\u179b\u17cb\u1793\u17bc\u179c\u1780\u17b6\u179a\u1780\u17b6\u179a\u1796\u17b6\u179a\u1785\u17c6\u178e\u17bb\u1785\u1793\u17c3\u1780\u17b6\u179a\u1794\u17d2\u179a\u17be\u1794\u17d2\u179a\u17b6\u179f\u17cb\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u17a7\u1794\u1780\u179a\u178e\u17cd\u178a\u17c2\u179b\u1784\u17b6\u1799\u179a\u1784\u1782\u17d2\u179a\u17c4\u17c7\u17d4.<\/p>\n<p>\u1780\u17b6\u179a\u178a\u17c6\u17a1\u17be\u1784\u178f\u17c2 SPDs Type 2 \u178a\u17c4\u1799\u1782\u17d2\u1798\u17b6\u1793\u1780\u17b6\u179a\u1780\u17b6\u179a\u1796\u17b6\u179a Type 1 \u1791\u17bb\u1780\u17b1\u17d2\u1799\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u1784\u17b6\u1799\u179a\u1784\u1782\u17d2\u179a\u17c4\u17c7\u1785\u17c6\u1796\u17c4\u17c7\u1785\u179a\u1793\u17d2\u178f\u179a\u1793\u17d2\u1791\u17c7\u1790\u17b6\u1798\u1796\u179b\u1781\u17d2\u1796\u179f\u17cb\u17d4 \u1795\u17d2\u1791\u17bb\u1799\u1791\u17c5\u179c\u17b7\u1789 \u1780\u17b6\u179a\u1796\u17d2\u1799\u17b6\u1799\u17b6\u1798\u1780\u17b6\u179a\u1796\u17b6\u179a\u17a7\u1794\u1780\u179a\u178e\u17cd\u179f\u17d2\u1790\u17b6\u1793\u17b8\u1799\u178f\u17c2\u1787\u17b6\u1798\u17bd\u1799\u17a7\u1794\u1780\u179a\u178e\u17cd Type 1 \u1794\u179a\u17b6\u1787\u17d0\u1799\u1780\u17d2\u1793\u17bb\u1784\u1780\u17b6\u179a\u178a\u17c4\u17c7\u179f\u17d2\u179a\u17b6\u1799\u179c\u17c9\u17bb\u179b\u1794\u178e\u17d2\u178f\u17c4\u17c7\u17a2\u17b6\u179f\u1793\u17d2\u1793\u178a\u17c2\u179b\u17a7\u1794\u1780\u179a\u178e\u17cd Type 3 \u1782\u17d2\u179a\u1794\u17cb\u1782\u17d2\u179a\u1784\u178a\u17c4\u1799\u1798\u17b6\u1793\u1794\u17d2\u179a\u179f\u17b7\u1791\u17d2\u1792\u1797\u17b6\u1796\u17d4.<\/p>\n<p><strong>\u178a\u17c6\u178e\u17c4\u17c7\u179f\u17d2\u179a\u17b6\u1799\u17d6<\/strong> \u17a2\u1793\u17bb\u179c\u178f\u17d2\u178f\u1780\u17b6\u179a\u1780\u17b6\u179a\u1796\u17b6\u179a\u179f\u1798\u17d2\u179a\u1794\u179f\u1798\u17d2\u179a\u17bd\u179b\u178a\u17c4\u1799\u1794\u17d2\u179a\u17be\u1794\u17d2\u179a\u1797\u17c1\u1791 SPD \u1785\u17d2\u179a\u17be\u1793\u17d4 \u178a\u17c6\u17a1\u17be\u1784 Type 1 \u1793\u17c5\u1785\u17d2\u179a\u1780\u1785\u17bc\u179b\u179f\u17c1\u179c\u17b6\u1780\u1798\u17d2\u1798\u178a\u17c2\u179b\u1790\u17b6\u1798\u1796\u179b\u17a2\u1782\u17d2\u1782\u17b7\u179f\u1793\u17b8\u1785\u17bc\u179b\u1780\u17d2\u1793\u17bb\u1784\u179a\u17c4\u1784\u1785\u1780\u17d2\u179a\u17d4 \u1794\u1793\u17d2\u1790\u17c2\u1798\u17a7\u1794\u1780\u179a\u178e\u17cd Type 2 \u1793\u17c5\u1794\u1793\u17d2\u1791\u17c7\u1785\u17c2\u1780\u1785\u17b6\u1799\u178a\u17c2\u179b\u1794\u1798\u17d2\u179a\u17be\u1794\u1793\u17d2\u1791\u17bb\u1780\u179f\u17c6\u1781\u17b6\u1793\u17cb\u17d7\u17d4 \u179a\u17bd\u1798\u1794\u1789\u17d2\u1785\u17bc\u179b\u1780\u17b6\u179a\u1780\u17b6\u179a\u1796\u17b6\u179a Type 3 \u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1782\u17d2\u179a\u17bf\u1784\u17a2\u17c1\u17a1\u17b7\u1785\u178f\u17d2\u179a\u17bc\u1793\u17b7\u1785 \u1793\u17b7\u1784\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u1782\u17d2\u179a\u1794\u17cb\u1782\u17d2\u179a\u1784\u178a\u17c2\u179b\u1784\u17b6\u1799\u179a\u1784\u1782\u17d2\u179a\u17c4\u17c7\u17d4 \u1795\u17d2\u1791\u17c0\u1784\u1795\u17d2\u1791\u17b6\u178f\u17cb\u1790\u17b6\u1794\u17d2\u179a\u1797\u17c1\u1791 SPD \u1793\u17b8\u1798\u17bd\u1799\u17d7\u178f\u17d2\u179a\u17bc\u179c\u1782\u17d2\u1793\u17b6\u1793\u17b9\u1784\u1791\u17b8\u178f\u17b6\u17c6\u1784\u178a\u17c6\u17a1\u17be\u1784\u179a\u1794\u179f\u17cb\u179c\u17b6 \u1799\u17c4\u1784\u178f\u17b6\u1798\u1785\u17c6\u178e\u17b6\u178f\u17cb\u1790\u17d2\u1793\u17b6\u1780\u17cb IEC 61643 \u1793\u17b7\u1784\u178f\u1798\u17d2\u179a\u17bc\u179c\u1780\u17b6\u179a UL 1449 \u17d4.<\/p>\n<figure style=\"margin: 20px 0; text-align: center;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" src=\"https:\/\/img.viox.com\/electrical-contractor-inspecting-viox-spd-status-indicators-with-multimeter-in-commercial-distribution-panel-during-maintenance-check.webp\" alt=\"Electrical contractor inspecting VIOX SPD status indicators with multimeter in commercial distribution panel during maintenance check\" \/><figcaption style=\"font-style: italic; font-size: 0.9em; color: #666; margin-top: 8px;\">\u17a2\u17d2\u1793\u1780\u1798\u17c9\u17c5\u1780\u17b6\u179a\u17a2\u1782\u17d2\u1782\u17b7\u179f\u1793\u17b8\u178f\u17d2\u179a\u17bd\u178f\u1796\u17b7\u1793\u17b7\u178f\u17d2\u1799\u179f\u17bc\u1785\u1793\u17b6\u1780\u179a\u179f\u17d2\u1790\u17b6\u1793\u1797\u17b6\u1796 VIOX SPD \u1787\u17b6\u1798\u17bd\u1799\u1793\u17b9\u1784 multimeter \u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1794\u1793\u17d2\u1791\u17c7\u1785\u17c2\u1780\u1785\u17b6\u1799\u1796\u17b6\u178e\u17b7\u1787\u17d2\u1787\u1780\u1798\u17d2\u1798\u1780\u17c6\u17a1\u17bb\u1784\u1796\u17c1\u179b\u178f\u17d2\u179a\u17bd\u178f\u1796\u17b7\u1793\u17b7\u178f\u17d2\u1799\u1790\u17c2\u1791\u17b6\u17c6<\/figcaption><\/figure>\n<h2>\u1780\u17c6\u17a0\u17bb\u179f\u1791\u17b8 4\u17d6 \u1794\u179a\u17b6\u1787\u17d0\u1799\u1780\u17d2\u1793\u17bb\u1784\u1780\u17b6\u179a\u179f\u1798\u17d2\u179a\u1794\u179f\u1798\u17d2\u179a\u17bd\u179b SPDs \u1785\u17d2\u179a\u17be\u1793\u17b1\u17d2\u1799\u1794\u17b6\u1793\u178f\u17d2\u179a\u17b9\u1798\u178f\u17d2\u179a\u17bc\u179c<\/h2>\n<p>\u1793\u17c5\u1796\u17c1\u179b\u178a\u17c2\u179b SPDs \u1785\u17d2\u179a\u17be\u1793\u1780\u17b6\u179a\u1796\u17b6\u179a\u1785\u17c6\u178e\u17bb\u1785\u1795\u17d2\u179f\u17c1\u1784\u17d7\u1782\u17d2\u1793\u17b6\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u17a2\u1782\u17d2\u1782\u17b7\u179f\u1793\u17b8 \u1796\u17bd\u1780\u1782\u17c1\u178f\u17d2\u179a\u17bc\u179c\u178f\u17c2\u179f\u1798\u17d2\u179a\u1794\u179f\u1798\u17d2\u179a\u17bd\u179b\u178a\u17be\u1798\u17d2\u1794\u17b8\u1780\u17b6\u179a\u1796\u17b6\u179a\u1780\u17b6\u179a\u1781\u17bc\u1785\u1781\u17b6\u178f\u17d4 \u1794\u17be\u1782\u17d2\u1798\u17b6\u1793\u1780\u17b6\u179a\u179f\u1798\u17d2\u179a\u1794\u179f\u1798\u17d2\u179a\u17bd\u179b\u178f\u17d2\u179a\u17b9\u1798\u178f\u17d2\u179a\u17bc\u179c\u1791\u17c1 \u17a7\u1794\u1780\u179a\u178e\u17cd upstream \u17a2\u17b6\u1785\u1794\u179a\u17b6\u1787\u17d0\u1799\u1780\u17d2\u1793\u17bb\u1784\u1780\u17b6\u179a\u178a\u17c6\u178e\u17be\u179a\u1780\u17b6\u179a\u1794\u17b6\u1793\u178f\u17d2\u179a\u17b9\u1798\u178f\u17d2\u179a\u17bc\u179c \u178a\u17c4\u1799\u1791\u17bb\u1780\u17b1\u17d2\u1799\u17a7\u1794\u1780\u179a\u178e\u17cd downstream \u1794\u17c9\u17c7\u1796\u17b6\u179b\u17cb\u1793\u17b9\u1784\u1780\u1798\u17d2\u179a\u17b7\u178f\u1790\u17b6\u1798\u1796\u179b\u178a\u17c2\u179b\u179b\u17be\u179f\u1796\u17b8\u1780\u1798\u17d2\u179a\u17b7\u178f\u179a\u1794\u179f\u17cb\u179c\u17b6\u17d4.<\/p>\n<p>\u1780\u17b6\u179a\u179f\u1798\u17d2\u179a\u1794\u179f\u1798\u17d2\u179a\u17bd\u179b\u178f\u1798\u17d2\u179a\u17bc\u179c\u17b1\u17d2\u1799\u1798\u17b6\u1793\u1780\u17b6\u179a\u179a\u1780\u17d2\u179f\u17b6\u1782\u1798\u17d2\u179b\u17b6\u178f\u17a2\u1782\u17d2\u1782\u17b7\u179f\u1793\u17b8\u1782\u17d2\u179a\u1794\u17cb\u1782\u17d2\u179a\u17b6\u1793\u17cb (\u1787\u17b6\u1792\u1798\u17d2\u1798\u178f\u17b6 10 \u1798\u17c9\u17c2\u178f\u17d2\u179a\u1793\u17c3 conductor \u17ac decoupling inductors) \u179a\u179c\u17b6\u1784\u178a\u17c6\u178e\u17b6\u1780\u17cb\u1780\u17b6\u179b\u1780\u17b6\u179a\u1796\u17b6\u179a\u17d4 \u1793\u17c1\u17c7\u17a2\u1793\u17bb\u1789\u17d2\u1789\u17b6\u178f\u17b1\u17d2\u1799\u1798\u17b6\u1793 cascade \u1790\u17b6\u1798\u1796\u179b \u178a\u17c2\u179b SPD \u1793\u17b8\u1798\u17bd\u1799\u17d7\u1782\u17d2\u179a\u1794\u17cb\u1782\u17d2\u179a\u1784\u1780\u1798\u17d2\u179a\u17b7\u178f\u1780\u17be\u1793\u17a1\u17be\u1784\u179f\u1798\u179f\u17d2\u179a\u1794\u178a\u17c4\u1799\u1782\u17d2\u1798\u17b6\u1793\u1780\u17b6\u179a\u1787\u17d2\u179a\u17c0\u178f\u1787\u17d2\u179a\u17c2\u1780\u17d4.<\/p>\n<p><strong>\u178a\u17c6\u178e\u17c4\u17c7\u179f\u17d2\u179a\u17b6\u1799\u17d6<\/strong> \u179a\u1780\u17d2\u179f\u17b6\u1782\u1798\u17d2\u179b\u17b6\u178f conductor \u17a2\u1794\u17d2\u1794\u1794\u179a\u1798\u17b6 10 \u1798\u17c9\u17c2\u178f\u17d2\u179a\u179a\u179c\u17b6\u1784\u17a7\u1794\u1780\u179a\u178e\u17cd Type 1 \u1793\u17b7\u1784 Type 2 \u1793\u17b7\u1784\u179a\u179c\u17b6\u1784\u17a7\u1794\u1780\u179a\u178e\u17cd Type 2 \u1793\u17b7\u1784 Type 3 \u17d4 \u1793\u17c5\u1796\u17c1\u179b\u178a\u17c2\u179b\u1785\u1798\u17d2\u1784\u17b6\u1799\u179a\u17b6\u1784\u1780\u17b6\u1799\u1781\u17d2\u179b\u17b8\u1787\u17b6\u1784 \u179f\u17bc\u1798\u178a\u17c6\u17a1\u17be\u1784 decoupling inductors \u179a\u179c\u17b6\u1784\u178a\u17c6\u178e\u17b6\u1780\u17cb\u1780\u17b6\u179b\u17d4 \u1795\u17d2\u1791\u17c0\u1784\u1795\u17d2\u1791\u17b6\u178f\u17cb\u1790\u17b6\u17a7\u1794\u1780\u179a\u178e\u17cd upstream \u1798\u17b6\u1793\u1780\u1798\u17d2\u179a\u17b7\u178f Imax \u1781\u17d2\u1796\u179f\u17cb\u1787\u17b6\u1784\u1782\u17d2\u179a\u17bf\u1784 downstream \u17d4 \u1780\u178f\u17cb\u178f\u17d2\u179a\u17b6\u1782\u17d2\u179a\u17c4\u1784\u1780\u17b6\u179a\u178e\u17cd\u179f\u1798\u17d2\u179a\u1794\u179f\u1798\u17d2\u179a\u17bd\u179b\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1782\u17c6\u1793\u17bc\u179a\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792 \u1793\u17b7\u1784\u1795\u17d2\u1791\u17c0\u1784\u1795\u17d2\u1791\u17b6\u178f\u17cb\u1780\u1798\u17d2\u179a\u17b7\u178f\u1780\u17b6\u179a\u1796\u17b6\u179a\u179c\u17c9\u17bb\u179b (Up) \u1790\u1799\u1785\u17bb\u17c7\u1793\u17c5\u178a\u17c6\u178e\u17b6\u1780\u17cb\u1780\u17b6\u179b\u1793\u17b8\u1798\u17bd\u1799\u17d7\u1786\u17d2\u1796\u17c4\u17c7\u1791\u17c5\u179a\u1780\u17a7\u1794\u1780\u179a\u178e\u17cd\u178a\u17c2\u179b\u1794\u17b6\u1793\u1780\u17b6\u179a\u1796\u17b6\u179a\u17d4.<\/p>\n<h2>\u1780\u17c6\u17a0\u17bb\u179f\u1791\u17b8 5\u17d6 \u1780\u17b6\u179a\u1792\u17d2\u179c\u17c1\u179f\u1794\u17d2\u179a\u17a0\u17c2\u179f\u1780\u17b6\u179a\u1780\u17b6\u179a\u1796\u17b6\u179a Overcurrent \u1794\u1798\u17d2\u179a\u17bb\u1784\u1791\u17bb\u1780<\/h2>\n<p>SPDs \u1798\u17b6\u1793\u179f\u1798\u17b6\u179f\u1792\u17b6\u178f\u17bb\u178a\u17c2\u179b\u179b\u17c7\u1794\u1784\u17cb\u1781\u17d2\u179b\u17bd\u1793\u17af\u1784\u1780\u17c6\u17a1\u17bb\u1784\u1796\u17c1\u179b\u1798\u17b6\u1793\u1780\u17b6\u179a\u1780\u17be\u1793\u17a1\u17be\u1784\u179c\u17c9\u17bb\u179b\u17d4 Metal Oxide Varistors (MOVs) \u1780\u17b6\u1793\u17cb\u178f\u17c2\u1799\u17c9\u17b6\u1794\u17cb\u1799\u17c9\u17ba\u1793\u1787\u17b6\u1798\u17bd\u1799\u1793\u17b9\u1784\u1780\u17b6\u179a\u1780\u17be\u1793\u17a1\u17be\u1784\u179c\u17c9\u17bb\u179b\u1793\u17b8\u1798\u17bd\u1799\u17d7 \u179a\u17a0\u17bc\u178f\u178a\u179b\u17cb\u1796\u17bd\u1780\u179c\u17b6\u1794\u179a\u17b6\u1787\u17d0\u1799 \u178a\u17c2\u179b\u17a2\u17b6\u1785\u1794\u1784\u17d2\u1780\u17be\u178f\u179b\u1780\u17d2\u1781\u1781\u178e\u17d2\u178c\u179f\u17c0\u1782\u17d2\u179c\u17b8\u1781\u17d2\u179b\u17b8\u17d4 \u1794\u17be\u1782\u17d2\u1798\u17b6\u1793\u1780\u17b6\u179a\u1780\u17b6\u179a\u1796\u17b6\u179a\u1794\u1798\u17d2\u179a\u17bb\u1784\u1791\u17bb\u1780\u178a\u17c2\u179b\u1794\u17b6\u1793\u17a7\u1791\u17d2\u1791\u17b7\u179f\u1791\u17c1 SPD \u178a\u17c2\u179b\u1794\u179a\u17b6\u1787\u17d0\u1799\u17a2\u17b6\u1785\u1792\u17d2\u179c\u17be\u17b1\u17d2\u1799 breaker \u1798\u17c1\u178a\u17b6\u1785\u17cb \u178a\u17c2\u179b\u1794\u178e\u17d2\u178f\u17b6\u179b\u17b1\u17d2\u1799\u1798\u17b6\u1793\u1780\u17b6\u179a\u178a\u17b6\u1785\u17cb\u1785\u179a\u1793\u17d2\u178f\u1791\u17bc\u1791\u17b6\u17c6\u1784\u179a\u17c4\u1784\u1785\u1780\u17d2\u179a\u178a\u17c4\u1799\u1798\u17b7\u1793\u1785\u17b6\u17c6\u1794\u17b6\u1785\u17cb\u17d4.<\/p>\n<p>\u17a2\u17d2\u1793\u1780\u178a\u17c6\u17a1\u17be\u1784\u1787\u17b6\u1785\u17d2\u179a\u17be\u1793\u1798\u17be\u179b\u179a\u17c6\u179b\u1784\u178f\u1798\u17d2\u179a\u17bc\u179c\u1780\u17b6\u179a\u1793\u17c1\u17c7 \u17ac\u1787\u17d2\u179a\u17be\u179f\u179a\u17be\u179f fuses \u1794\u1798\u17d2\u179a\u17bb\u1784\u1791\u17bb\u1780\u1787\u17b6\u1798\u17bd\u1799\u1793\u17b9\u1784\u1780\u1798\u17d2\u179a\u17b7\u178f\u1798\u17b7\u1793\u178f\u17d2\u179a\u17b9\u1798\u178f\u17d2\u179a\u17bc\u179c\u17d4 \u17a0\u17d2\u179c\u17bb\u1799\u179f\u17ca\u17b8\u1794\u178a\u17c2\u179b\u1798\u17b6\u1793\u1791\u17c6\u17a0\u17c6\u1792\u17c6\u1796\u17c1\u1780 \u1794\u179a\u17b6\u1787\u17d0\u1799\u1780\u17d2\u1793\u17bb\u1784\u1780\u17b6\u179a\u1795\u17d2\u178f\u179b\u17cb\u1780\u17b6\u179a\u1780\u17b6\u179a\u1796\u17b6\u179a\u1782\u17d2\u179a\u1794\u17cb\u1782\u17d2\u179a\u17b6\u1793\u17cb \u1781\u178e\u17c8\u1796\u17c1\u179b\u178a\u17c2\u179b\u17a0\u17d2\u179c\u17bb\u1799\u179f\u17ca\u17b8\u1794\u178a\u17c2\u179b\u1798\u17b6\u1793\u1791\u17c6\u17a0\u17c6\u178f\u17bc\u1785\u1796\u17c1\u1780\u17a2\u17b6\u1785\u178a\u17b6\u1785\u17cb\u178a\u17c4\u1799\u179a\u17c6\u1781\u17b6\u1793\u1780\u17c6\u17a1\u17bb\u1784\u1796\u17c1\u179b\u1794\u17d2\u179a\u178f\u17b7\u1794\u178f\u17d2\u178f\u17b7\u1780\u17b6\u179a SPD \u1792\u1798\u17d2\u1798\u178f\u17b6\u17d4.<\/p>\n<p><strong>\u178a\u17c6\u178e\u17c4\u17c7\u179f\u17d2\u179a\u17b6\u1799\u17d6<\/strong> \u178a\u17c6\u17a1\u17be\u1784\u1780\u17b6\u179a\u1780\u17b6\u179a\u1796\u17b6\u179a overcurrent \u1794\u1798\u17d2\u179a\u17bb\u1784\u1791\u17bb\u1780\u178a\u17c2\u179b\u1794\u17b6\u1793\u17a7\u1791\u17d2\u1791\u17b7\u179f \u178a\u17c2\u179b\u1798\u17b6\u1793\u1780\u1798\u17d2\u179a\u17b7\u178f\u1799\u17c4\u1784\u178f\u17b6\u1798\u179b\u1780\u17d2\u1781\u178e\u17c8\u1794\u1785\u17d2\u1785\u17c1\u1780\u1791\u17c1\u179f\u179a\u1794\u179f\u17cb\u17a2\u17d2\u1793\u1780\u1795\u179b\u17b7\u178f\u17d4 SPDs Type 1 \u1793\u17b7\u1784 Type 2 \u1797\u17b6\u1782\u1785\u17d2\u179a\u17be\u1793\u178f\u17d2\u179a\u17bc\u179c\u1780\u17b6\u179a fuses \u1794\u17d2\u179a\u1797\u17c1\u1791 gG \u178a\u17c2\u179b\u1798\u17b6\u1793\u1791\u17c6\u17a0\u17c6\u1785\u1793\u17d2\u179b\u17c4\u17c7\u1796\u17b8 80A \u178a\u179b\u17cb 125A \u17a2\u17b6\u179f\u17d2\u179a\u17d0\u1799\u179b\u17be\u17a7\u1794\u1780\u179a\u178e\u17cd\u17d4 \u1780\u17b6\u179a\u1780\u17b6\u179a\u1796\u17b6\u179a\u1794\u1798\u17d2\u179a\u17bb\u1784\u1791\u17bb\u1780\u178f\u17d2\u179a\u17bc\u179c\u178f\u17c2\u179f\u1798\u17d2\u179a\u1794\u179f\u1798\u17d2\u179a\u17bd\u179b\u1787\u17b6\u1798\u17bd\u1799 thermal disconnector \u1781\u17b6\u1784\u1780\u17d2\u1793\u17bb\u1784\u179a\u1794\u179f\u17cb SPD \u17d4 \u1780\u17bb\u17c6\u1797\u17d2\u1787\u17b6\u1794\u17cb SPDs \u1791\u17c5\u17a7\u1794\u1780\u179a\u178e\u17cd\u1795\u17d2\u178f\u17b6\u1785\u17cb\u179f\u17c1\u179c\u17b6\u1780\u1798\u17d2\u1798\u1798\u17c1\u178a\u17c4\u1799\u1782\u17d2\u1798\u17b6\u1793\u1780\u17b6\u179a\u1780\u17b6\u179a\u1796\u17b6\u179a overcurrent \u178a\u17b6\u1785\u17cb\u178a\u17c4\u1799\u17a1\u17c2\u1780\u17d4 \u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1780\u17b6\u179a\u178a\u17c6\u17a1\u17be\u1784\u178a\u17c2\u179b\u178f\u17d2\u179a\u17bc\u179c\u1780\u17b6\u179a\u1780\u17b6\u179a\u1786\u17d2\u179b\u17be\u1799\u178f\u1794\u179a\u17a0\u17d0\u179f\u1794\u17c6\u1795\u17bb\u178f \u179f\u17bc\u1798\u1787\u17d2\u179a\u17be\u179f\u179a\u17be\u179f\u1794\u17d2\u179a\u1797\u17c1\u1791 fuse \u178a\u17c2\u179b\u1794\u17b6\u1793\u1794\u1789\u17d2\u1787\u17b6\u1780\u17cb\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u179f\u17c0\u179c\u1797\u17c5\u178e\u17c2\u1793\u17b6\u17c6\u1780\u17b6\u179a\u178a\u17c6\u17a1\u17be\u1784 SPD \u17d4.<\/p>\n<figure style=\"margin: 20px 0; text-align: center;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" src=\"https:\/\/img.viox.com\/viox-spd-with-dedicated-gg-type-fuse-and-circuit-breaker-showing-proper-backup-protection-installation-on-din-rail.webp\" alt=\"VIOX SPD with dedicated gG-type fuse and circuit breaker showing proper backup protection installation on DIN rail\" \/><figcaption style=\"font-style: italic; font-size: 0.9em; color: #666; margin-top: 8px;\">VIOX SPD \u1787\u17b6\u1798\u17bd\u1799 <a href=\"https:\/\/test.viox.com\/km\/how-does-a-fuse-holder-work\/\">\u17a0\u17d2\u179c\u17bb\u1799\u179f\u17ca\u17b8\u1794\u1794\u17d2\u179a\u1797\u17c1\u1791 gG<\/a> \u1793\u17b7\u1784 <a href=\"https:\/\/test.viox.com\/km\/mcb\/\">\u179f\u17c0\u1782\u17d2\u179c\u17b8\u179b\u17d2\u1798\u17be\u179f<\/a> \u1794\u1784\u17d2\u17a0\u17b6\u1789\u1796\u17b8\u1780\u17b6\u179a\u178a\u17c6\u17a1\u17be\u1784\u1780\u17b6\u179a\u1780\u17b6\u179a\u1796\u17b6\u179a\u1794\u1798\u17d2\u179a\u17bb\u1784\u1791\u17bb\u1780\u178f\u17d2\u179a\u17b9\u1798\u178f\u17d2\u179a\u17bc\u179c\u1793\u17c5\u179b\u17be\u1795\u17d2\u179b\u17bc\u179c\u178a\u17c2\u1780 DIN<\/figcaption><\/figure>\n<h2>\u1780\u17c6\u17a0\u17bb\u179f\u1791\u17b8 6\u17d6 \u1780\u17b6\u179a\u179a\u17bd\u1798\u1794\u1789\u17d2\u1785\u17bc\u179b\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792 Grounding \u1798\u17b7\u1793\u1782\u17d2\u179a\u1794\u17cb\u1782\u17d2\u179a\u17b6\u1793\u17cb<\/h2>\n<p>\u1794\u17d2\u179a\u179f\u17b7\u1791\u17d2\u1792\u1797\u17b6\u1796 SPD \u17a2\u17b6\u179f\u17d2\u179a\u17d0\u1799\u1791\u17b6\u17c6\u1784\u179f\u17d2\u179a\u17bb\u1784\u179b\u17be\u179f\u1798\u178f\u17d2\u1790\u1797\u17b6\u1796\u179a\u1794\u179f\u17cb\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792 grounding \u1780\u17d2\u1793\u17bb\u1784\u1780\u17b6\u179a\u1794\u1789\u17d2\u1785\u17c1\u1789\u1790\u17b6\u1798\u1796\u179b\u1780\u17be\u1793\u17a1\u17be\u1784\u178a\u17c4\u1799\u179f\u17bb\u179c\u178f\u17d2\u1790\u17b7\u1797\u17b6\u1796\u17d4 \u1780\u17b6\u179a\u178f\u1797\u17d2\u1787\u17b6\u1794\u17cb ground impedance \u1781\u17d2\u1796\u179f\u17cb \u17ac\u1780\u17b6\u179a bonding \u1798\u17b7\u1793\u178f\u17d2\u179a\u17b9\u1798\u178f\u17d2\u179a\u17bc\u179c\u1792\u17d2\u179c\u17be\u17b1\u17d2\u1799\u1794\u17c9\u17c7\u1796\u17b6\u179b\u17cb\u178a\u179b\u17cb\u1780\u17b6\u179a\u1780\u17b6\u179a\u1796\u17b6\u179a \u178a\u17c2\u179b\u17a2\u17b6\u1785\u1794\u1784\u17d2\u1780\u17be\u178f\u179f\u1780\u17d2\u178f\u17b6\u1793\u17bb\u1796\u179b\u179c\u17c9\u17bb\u179b\u1782\u17d2\u179a\u17c4\u17c7\u1790\u17d2\u1793\u17b6\u1780\u17cb\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u179a\u17c4\u1784\u1785\u1780\u17d2\u179a\u17d4.<\/p>\n<p>\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792 grounding \u178f\u17d2\u179a\u17bc\u179c\u178f\u17c2\u1794\u17c6\u1796\u17c1\u1789\u178f\u17b6\u1798\u178f\u1798\u17d2\u179a\u17bc\u179c\u1780\u17b6\u179a NEC Article 250 \u1787\u17b6\u1798\u17bd\u1799\u1793\u17b9\u1784\u1797\u17b6\u1796\u1792\u1793\u17cb\u1787\u17b6\u1792\u1798\u17d2\u1798\u178f\u17b6\u1791\u17b6\u1794\u1787\u17b6\u1784 5 ohms \u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1780\u17b6\u179a\u178a\u17c6\u17a1\u17be\u1784\u179b\u17c6\u1793\u17c5\u178a\u17d2\u178b\u17b6\u1793 \u1793\u17b7\u1784\u1791\u17b6\u1794\u1787\u17b6\u1784 2 ohms \u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u179a\u17c4\u1784\u1785\u1780\u17d2\u179a\u1796\u17b6\u178e\u17b7\u1787\u17d2\u1787\u1780\u1798\u17d2\u1798\u17d4 \u179b\u17be\u179f\u1796\u17b8\u1793\u17c1\u17c7\u1791\u17c0\u178f ferrous metal raceways \u178a\u17c2\u179b\u1798\u17b6\u1793 grounding conductors \u178f\u1798\u17d2\u179a\u17bc\u179c\u17b1\u17d2\u1799\u1798\u17b6\u1793\u1780\u17b6\u179a bonding \u1793\u17c5\u1785\u17bb\u1784\u1791\u17b6\u17c6\u1784\u1796\u17b8\u179a\u1799\u17c4\u1784\u178f\u17b6\u1798 NEC 250.64(E) \u17d4.<\/p>\n<p><strong>\u178a\u17c6\u178e\u17c4\u17c7\u179f\u17d2\u179a\u17b6\u1799\u17d6<\/strong> \u179f\u17b6\u1780\u179b\u17d2\u1794\u1784\u1797\u17b6\u1796\u1792\u1793\u17cb\u1793\u17b9\u1784 ground \u1798\u17bb\u1793\u1796\u17c1\u179b\u178a\u17c6\u17a1\u17be\u1784 SPD \u178a\u17c4\u1799\u1794\u17d2\u179a\u17be\u179c\u17b7\u1792\u17b8\u179f\u17b6\u179f\u17d2\u178f\u17d2\u179a fall-of-potential \u17ac clamp-on \u17d4 \u1795\u17d2\u1791\u17c0\u1784\u1795\u17d2\u1791\u17b6\u178f\u17cb\u1790\u17b6 grounding electrode conductors \u1794\u17c6\u1796\u17c1\u1789\u178f\u17b6\u1798\u1791\u17c6\u17a0\u17c6\u17a2\u1794\u17d2\u1794\u1794\u179a\u1798\u17b6\u178a\u17c2\u179b\u1794\u17b6\u1793\u1794\u1789\u17d2\u1787\u17b6\u1780\u17cb\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784 NEC Table 250.66 \u17d4 Bond \u1780\u17b6\u179a\u178f\u1797\u17d2\u1787\u17b6\u1794\u17cb grounding \u1791\u17b6\u17c6\u1784\u17a2\u179f\u17cb\u1799\u17c4\u1784\u178f\u17b6\u1798 NEC 250.8 \u178a\u17c4\u1799\u1794\u17d2\u179a\u17be\u179c\u17b7\u1792\u17b8\u179f\u17b6\u179f\u17d2\u178f\u17d2\u179a\u178a\u17c2\u179b\u1794\u17b6\u1793\u1785\u17bb\u17c7\u1794\u1789\u17d2\u1787\u17b8 (exothermic welding, listed compression connectors \u17ac listed ground clamps) \u17d4 \u1793\u17c5\u1796\u17c1\u179b\u178a\u17c6\u17a1\u17be\u1784 grounding conductors \u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784 ferrous metal raceways \u1795\u17d2\u178f\u179b\u17cb\u1780\u17b6\u179a bonding \u1793\u17c5\u1785\u17bb\u1784\u1791\u17b6\u17c6\u1784\u1796\u17b8\u179a\u178a\u17be\u1798\u17d2\u1794\u17b8\u1780\u17b6\u179a\u1796\u17b6\u179a inductive impedance \u17d4 \u178a\u17b6\u1780\u17cb\u1781\u17d2\u179f\u17c2 AC, DC \u1793\u17b7\u1784 data \u1787\u17b6\u1798\u17bd\u1799\u1782\u17d2\u1793\u17b6\u1787\u17b6\u1798\u17bd\u1799\u1793\u17b9\u1784 bonding conductors \u178a\u17c2\u179b\u1796\u17b6\u1780\u17cb\u1796\u17d0\u1793\u17d2\u1792\u179a\u1794\u179f\u17cb\u1796\u17bd\u1780\u1782\u17c1 \u178a\u17be\u1798\u17d2\u1794\u17b8\u1780\u17b6\u178f\u17cb\u1794\u1793\u17d2\u1790\u1799 loop areas \u17d4.<\/p>\n<h2>\u1780\u17c6\u17a0\u17bb\u179f\u1791\u17b8 7\u17d6 \u1780\u17b6\u179a\u1798\u17b7\u1793\u17a2\u17be\u1796\u17be\u1793\u17b9\u1784\u1780\u17b6\u179a\u178f\u17d2\u179a\u17bd\u178f\u1796\u17b7\u1793\u17b7\u178f\u17d2\u1799 SPD \u1793\u17b7\u1784\u179f\u17bc\u1785\u1793\u17b6\u1780\u179a\u179f\u17d2\u1790\u17b6\u1793\u1797\u17b6\u1796<\/h2>\n<p>SPDs \u1791\u17c6\u1793\u17be\u1794\u179a\u17bd\u1798\u1794\u1789\u17d2\u1785\u17bc\u179b\u179f\u17bc\u1785\u1793\u17b6\u1780\u179a\u179f\u17d2\u1790\u17b6\u1793\u1797\u17b6\u1796 (\u1787\u17b6\u1792\u1798\u17d2\u1798\u178f\u17b6\u1797\u17d2\u179b\u17be\u1784 LED) \u178a\u17c2\u179b\u1794\u1784\u17d2\u17a0\u17b6\u1789\u1796\u17b8\u179f\u17d2\u1790\u17b6\u1793\u1797\u17b6\u1796\u1794\u17d2\u179a\u178f\u17b7\u1794\u178f\u17d2\u178f\u17b7\u1780\u17b6\u179a\u17d4 \u1796\u178e\u17cc\u1794\u17c3\u178f\u1784\u1794\u1784\u17d2\u17a0\u17b6\u1789\u1796\u17b8\u1780\u17b6\u179a\u1780\u17b6\u179a\u1796\u17b6\u179a\u179f\u1780\u1798\u17d2\u1798 \u1781\u178e\u17c8\u1796\u17c1\u179b\u178a\u17c2\u179b\u1796\u178e\u17cc\u1780\u17d2\u179a\u17a0\u1798\u1794\u1784\u17d2\u17a0\u17b6\u1789\u1796\u17b8\u1780\u17b6\u179a\u1794\u179a\u17b6\u1787\u17d0\u1799\u17a7\u1794\u1780\u179a\u178e\u17cd\u17d4 \u1791\u17c4\u17c7\u1799\u17c9\u17b6\u1784\u178e\u17b6\u1780\u17cf\u178a\u17c4\u1799 \u1780\u17b6\u179a\u178a\u17c6\u17a1\u17be\u1784\u1787\u17b6\u1785\u17d2\u179a\u17be\u1793\u1781\u17d2\u179c\u17c7\u1793\u179a\u178e\u17b6\u1798\u17d2\u1793\u17b6\u1780\u17cb\u178f\u17d2\u179a\u17bd\u178f\u1796\u17b7\u1793\u17b7\u178f\u17d2\u1799\u179f\u17bc\u1785\u1793\u17b6\u1780\u179a\u1791\u17b6\u17c6\u1784\u1793\u17c1\u17c7 \u178a\u17c2\u179b\u1794\u178e\u17d2\u178f\u17b6\u179b\u17b1\u17d2\u1799 SPDs \u178a\u17c2\u179b\u1794\u179a\u17b6\u1787\u17d0\u1799\u1793\u17c5\u178f\u17c2\u1798\u17b6\u1793\u1793\u17c5\u1793\u17b9\u1784\u1780\u1793\u17d2\u179b\u17c2\u1784\u178a\u17c4\u1799\u1798\u17b7\u1793\u1795\u17d2\u178f\u179b\u17cb\u1780\u17b6\u179a\u1780\u17b6\u179a\u1796\u17b6\u179a\u17d4.<\/p>\n<p>\u1780\u17b6\u179a\u179f\u17d2\u1791\u1784\u17cb\u1798\u178f\u17b7\u17a7\u179f\u17d2\u179f\u17b6\u17a0\u1780\u1798\u17d2\u1798\u1798\u17bd\u1799\u1794\u17b6\u1793\u179a\u1780\u1783\u17be\u1789\u1790\u17b6 20% \u1793\u17c3 SPDs \u178a\u17c4\u1799\u1782\u17d2\u1798\u17b6\u1793\u1780\u17b6\u179a\u1790\u17c2\u1791\u17b6\u17c6\u1787\u17b6\u1794\u17d2\u179a\u1785\u17b6\u17c6\u1794\u17b6\u1793\u1794\u179a\u17b6\u1787\u17d0\u1799\u1780\u17d2\u1793\u17bb\u1784\u1786\u17d2\u1793\u17b6\u17c6\u178a\u17c6\u1794\u17bc\u1784 \u1781\u178e\u17c8\u1796\u17c1\u179b\u178a\u17c2\u179b\u1782\u17d2\u179a\u17bf\u1784\u178a\u17c2\u179b\u1794\u17b6\u1793\u178f\u17d2\u179a\u17bd\u178f\u1796\u17b7\u1793\u17b7\u178f\u17d2\u1799\u178f\u17d2\u179a\u17b9\u1798\u178f\u17d2\u179a\u17bc\u179c\u1798\u17b6\u1793\u17a2\u178f\u17d2\u179a\u17b6\u1794\u179a\u17b6\u1787\u17d0\u1799\u1780\u17d2\u179a\u17c4\u1798 2% \u17d4 \u1797\u17b6\u1796\u1781\u17bb\u179f\u1782\u17d2\u1793\u17b6\u1794\u1784\u17d2\u17a0\u17b6\u1789\u1796\u17b8\u1780\u17b6\u179a\u1781\u17bc\u1785\u1781\u17b6\u178f\u17a7\u1794\u1780\u179a\u178e\u17cd \u1793\u17b7\u1784\u1780\u17b6\u179a\u1795\u17d2\u17a2\u17b6\u1780\u178a\u17c6\u178e\u17be\u179a\u1780\u17b6\u179a\u178a\u17c2\u179b\u1798\u17b7\u1793\u1785\u17b6\u17c6\u1794\u17b6\u1785\u17cb\u17d4.<\/p>\n<p><strong>\u178a\u17c6\u178e\u17c4\u17c7\u179f\u17d2\u179a\u17b6\u1799\u17d6<\/strong> \u1794\u1784\u17d2\u1780\u17be\u178f\u1796\u17b7\u1792\u17b8\u1780\u17b6\u179a\u178f\u17d2\u179a\u17bd\u178f\u1796\u17b7\u1793\u17b7\u178f\u17d2\u1799\u1798\u17be\u179b\u1783\u17be\u1789\u1794\u17d2\u179a\u1785\u17b6\u17c6\u178f\u17d2\u179a\u17b8\u1798\u17b6\u179f\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u179f\u17bc\u1785\u1793\u17b6\u1780\u179a\u179f\u17d2\u1790\u17b6\u1793\u1797\u17b6\u1796 SPD \u1791\u17b6\u17c6\u1784\u17a2\u179f\u17cb\u17d4 \u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1780\u17b6\u179a\u178a\u17c6\u17a1\u17be\u1784\u179f\u17c6\u1781\u17b6\u1793\u17cb\u17d7 \u179f\u17bc\u1798\u1794\u1789\u17d2\u1787\u17b6\u1780\u17cb SPDs \u1787\u17b6\u1798\u17bd\u1799\u1793\u17b9\u1784\u179f\u1798\u178f\u17d2\u1790\u1797\u17b6\u1796\u178f\u17d2\u179a\u17bd\u178f\u1796\u17b7\u1793\u17b7\u178f\u17d2\u1799\u1796\u17b8\u1785\u1798\u17d2\u1784\u17b6\u1799 \u178a\u17c2\u179b\u179a\u17bd\u1798\u1794\u1789\u17d2\u1785\u17bc\u179b\u1787\u17b6\u1798\u17bd\u1799\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u1782\u17d2\u179a\u1794\u17cb\u1782\u17d2\u179a\u1784\u17a2\u1782\u17b6\u179a\u17d4 \u1780\u178f\u17cb\u178f\u17d2\u179a\u17b6\u1780\u17b6\u179a\u178f\u17d2\u179a\u17bd\u178f\u1796\u17b7\u1793\u17b7\u178f\u17d2\u1799\u1791\u17b6\u17c6\u1784\u17a2\u179f\u17cb \u178a\u17c4\u1799\u1780\u178f\u17cb\u178f\u17d2\u179a\u17b6\u1780\u17b6\u179b\u1794\u179a\u17b7\u1785\u17d2\u1786\u17c1\u1791 \u17a2\u17d2\u1793\u1780\u178f\u17d2\u179a\u17bd\u178f\u1796\u17b7\u1793\u17b7\u178f\u17d2\u1799 \u1793\u17b7\u1784\u179f\u17d2\u1790\u17b6\u1793\u1797\u17b6\u1796\u17a7\u1794\u1780\u179a\u178e\u17cd\u17d4 \u1793\u17c5\u1796\u17c1\u179b\u178a\u17c2\u179b\u179f\u17bc\u1785\u1793\u17b6\u1780\u179a\u1796\u178e\u17cc\u1780\u17d2\u179a\u17a0\u1798\u179b\u17c1\u1785\u17a1\u17be\u1784 \u179f\u17bc\u1798\u1780\u17c6\u178e\u178f\u17cb\u1796\u17c1\u179b\u1787\u17c6\u1793\u17bd\u179f SPD \u1797\u17d2\u179b\u17b6\u1798\u17d7 \u17a7\u1794\u1780\u179a\u178e\u17cd\u179b\u17c2\u1784\u1795\u17d2\u178f\u179b\u17cb\u1780\u17b6\u179a\u1780\u17b6\u179a\u1796\u17b6\u179a\u1791\u17c0\u178f\u17a0\u17be\u1799\u17d4 \u1796\u17b7\u1785\u17b6\u179a\u178e\u17b6 SPDs \u1787\u17b6\u1798\u17bd\u1799\u1793\u17b9\u1784\u1780\u17b6\u179a\u179a\u1785\u1793\u17b6 modular \u178a\u17c2\u179b\u17a2\u1793\u17bb\u1789\u17d2\u1789\u17b6\u178f\u17b1\u17d2\u1799\u1798\u17b6\u1793\u1780\u17b6\u179a\u1787\u17c6\u1793\u17bd\u179f\u1793\u17c5\u1793\u17b9\u1784\u1780\u1793\u17d2\u179b\u17c2\u1784\u1799\u17c9\u17b6\u1784\u1786\u17b6\u1794\u17cb\u179a\u17a0\u17d0\u179f\u178a\u17c4\u1799\u1798\u17b7\u1793\u1785\u17b6\u17c6\u1794\u17b6\u1785\u17cb\u1798\u17b6\u1793\u1780\u17b6\u179a\u1784\u17b6\u179a\u17a2\u1782\u17d2\u1782\u17b7\u179f\u1793\u17b8\u1791\u17bc\u179b\u17c6\u1791\u17bc\u179b\u17b6\u1799\u17d4.<\/p>\n<figure style=\"margin: 20px 0; text-align: center;\"><img decoding=\"async\" style=\"max-width: 100%; height: auto;\" src=\"https:\/\/img.viox.com\/technical-diagram-showing-three-stage-coordinated-spd-protection-system-with-viox-type-1-type-2-and-type-3-devices-in-industrial-facility.webp\" alt=\"Technical diagram showing three-stage coordinated SPD protection system with VIOX Type 1, Type 2, and Type 3 devices in industrial facility\" \/><figcaption style=\"font-style: italic; font-size: 0.9em; color: #666; margin-top: 8px;\">\u178a\u17d2\u1799\u17b6\u1780\u17d2\u179a\u17b6\u1798\u1794\u1785\u17d2\u1785\u17c1\u1780\u1791\u17c1\u179f\u178a\u17c2\u179b\u1794\u1784\u17d2\u17a0\u17b6\u1789\u1796\u17b8\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u1780\u17b6\u179a\u1796\u17b6\u179a SPD \u179f\u1798\u17d2\u179a\u1794\u179f\u1798\u17d2\u179a\u17bd\u179b\u1794\u17b8\u178a\u17c6\u178e\u17b6\u1780\u17cb\u1780\u17b6\u179b \u1787\u17b6\u1798\u17bd\u1799\u1793\u17b9\u1784\u17a7\u1794\u1780\u179a\u178e\u17cd VIOX Type 1, Type 2 \u1793\u17b7\u1784 Type 3 \u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u179a\u17c4\u1784\u1785\u1780\u17d2\u179a\u17a7\u179f\u17d2\u179f\u17b6\u17a0\u1780\u1798\u17d2\u1798<\/figcaption><\/figure>\n<h2>\u1780\u17c6\u17a0\u17bb\u179f\u1791\u17b8 8\u17d6 \u1780\u17b6\u179a\u1798\u17be\u179b\u179a\u17c6\u179b\u1784\u178a\u17c2\u1793\u1780\u17c6\u178e\u178f\u17cb\u1794\u17d2\u179a\u178f\u17b7\u1794\u178f\u17d2\u178f\u17b7\u1780\u17b6\u179a\u1794\u179a\u17b7\u179f\u17d2\u1790\u17b6\u1793<\/h2>\n<p>SPDs \u1798\u17b6\u1793\u1780\u1798\u17d2\u179a\u17b7\u178f\u1794\u179a\u17b7\u179f\u17d2\u1790\u17b6\u1793\u1787\u17b6\u1780\u17cb\u179b\u17b6\u1780\u17cb\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u179f\u17b8\u178f\u17bb\u178e\u17d2\u17a0\u1797\u17b6\u1796 \u179f\u17c6\u178e\u17be\u1798 \u1793\u17b7\u1784\u1780\u1798\u17d2\u1796\u179f\u17cb\u17d4 \u1780\u17b6\u179a\u178a\u17c6\u17a1\u17be\u1784\u17a7\u1794\u1780\u179a\u178e\u17cd\u1793\u17c5\u1781\u17b6\u1784\u1780\u17d2\u179a\u17c5\u1794\u17c9\u17b6\u179a\u17c9\u17b6\u1798\u17c9\u17c2\u178f\u17d2\u179a\u1791\u17b6\u17c6\u1784\u1793\u17c1\u17c7 \u1794\u1784\u17d2\u1780\u17be\u1793\u179b\u17d2\u1794\u17bf\u1793\u1793\u17c3\u1780\u17b6\u179a\u1781\u17bc\u1785\u1782\u17bb\u178e\u1797\u17b6\u1796 \u1793\u17b7\u1784\u1780\u17b6\u178f\u17cb\u1794\u1793\u17d2\u1790\u1799\u17a2\u17b6\u1799\u17bb\u1780\u17b6\u179b\u179f\u17c1\u179c\u17b6\u1780\u1798\u17d2\u1798\u17d4 \u1780\u17b6\u179a\u178a\u17c6\u17a1\u17be\u1784\u1793\u17c5\u1781\u17b6\u1784\u1780\u17d2\u179a\u17c5\u178a\u17c4\u1799\u1782\u17d2\u1798\u17b6\u1793 enclosures \u178f\u17d2\u179a\u17b9\u1798\u178f\u17d2\u179a\u17bc\u179c \u1794\u1784\u17d2\u17a0\u17b6\u1789 SPDs \u1791\u17c5\u1793\u17b9\u1784\u179f\u17c6\u178e\u17be\u1798 \u1793\u17b7\u1784\u179f\u17b8\u178f\u17bb\u178e\u17d2\u17a0\u1797\u17b6\u1796\u1781\u17d2\u179b\u17b6\u17c6\u1784 \u178a\u17c2\u179b\u1792\u17d2\u179c\u17be\u17b1\u17d2\u1799\u1794\u17c9\u17c7\u1796\u17b6\u179b\u17cb\u178a\u179b\u17cb\u179f\u1798\u17b6\u179f\u1792\u17b6\u178f\u17bb metal oxide varistor \u179a\u1794\u179f\u17cb\u1796\u17bd\u1780\u1782\u17c1\u17d4.<\/p>\n<p>\u179b\u17be\u179f\u1796\u17b8\u1793\u17c1\u17c7\u1791\u17c0\u178f \u1780\u1798\u17d2\u1796\u179f\u17cb\u1794\u17c9\u17c7\u1796\u17b6\u179b\u17cb\u178a\u179b\u17cb\u178a\u17c6\u178e\u17be\u179a\u1780\u17b6\u179a SPD \u17d4 \u1793\u17c5\u179a\u1799\u17c8\u1780\u1798\u17d2\u1796\u179f\u17cb\u179b\u17be\u179f\u1796\u17b8 2,000 \u1798\u17c9\u17c2\u178f\u17d2\u179a \u178a\u1784\u17cb\u179f\u17ca\u17b8\u178f\u17c1\u1781\u17d2\u1799\u179b\u17cb\u1790\u1799\u1785\u17bb\u17c7 \u178a\u17c2\u179b\u1780\u17b6\u178f\u17cb\u1794\u1793\u17d2\u1790\u1799\u179f\u1798\u178f\u17d2\u1790\u1797\u17b6\u1796\u179a\u1794\u179f\u17cb\u17a7\u1794\u1780\u179a\u178e\u17cd\u1780\u17d2\u1793\u17bb\u1784\u1780\u17b6\u179a\u1794\u1789\u17d2\u1785\u17c1\u1789\u1780\u17c6\u178a\u17c5 \u1793\u17b7\u1784\u1794\u1793\u17d2\u1790\u1799\u179f\u1798\u178f\u17d2\u1790\u1797\u17b6\u1796\u17a2\u17ca\u17b8\u179f\u17bc\u17a1\u1784\u17cb\u179a\u1794\u179f\u17cb\u179c\u17b6\u17d4.<\/p>\n<p><strong>\u178a\u17c6\u178e\u17c4\u17c7\u179f\u17d2\u179a\u17b6\u1799\u17d6<\/strong> \u1795\u17d2\u1791\u17c0\u1784\u1795\u17d2\u1791\u17b6\u178f\u17cb\u1790\u17b6\u1780\u1798\u17d2\u179a\u17b7\u178f\u1794\u179a\u17b7\u179f\u17d2\u1790\u17b6\u1793 SPD \u178f\u17d2\u179a\u17bc\u179c\u1782\u17d2\u1793\u17b6\u1793\u17b9\u1784\u179b\u1780\u17d2\u1781\u1781\u178e\u17d2\u178c\u178a\u17c6\u17a1\u17be\u1784\u17d4 \u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1780\u1798\u17d2\u1798\u179c\u17b7\u1792\u17b8\u1781\u17b6\u1784\u1780\u17d2\u179a\u17c5 \u179f\u17bc\u1798\u1794\u1789\u17d2\u1787\u17b6\u1780\u17cb NEMA 3R \u17ac IP65-rated enclosures \u17a2\u1794\u17d2\u1794\u1794\u179a\u1798\u17b6\u17d4 \u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1794\u179a\u17b7\u1799\u17b6\u1780\u17b6\u179f\u17a7\u179f\u17d2\u179f\u17b6\u17a0\u1780\u1798\u17d2\u1798\u178a\u17cf\u17a2\u17b6\u1780\u17d2\u179a\u1780\u17cb\u1787\u17b6\u1798\u17bd\u1799\u1793\u17b9\u1784\u179f\u17b8\u178f\u17bb\u178e\u17d2\u17a0\u1797\u17b6\u1796\u1781\u17d2\u179b\u17b6\u17c6\u1784 \u1794\u179a\u17b7\u1799\u17b6\u1780\u17b6\u179f\u1785\u17d2\u179a\u17c1\u17c7 \u17ac\u179f\u17c6\u178e\u17be\u1798\u1781\u17d2\u1796\u179f\u17cb \u179f\u17bc\u1798\u1787\u17d2\u179a\u17be\u179f\u179a\u17be\u179f SPDs \u1787\u17b6\u1798\u17bd\u1799\u1793\u17b9\u1784\u1780\u1798\u17d2\u179a\u17b7\u178f\u1780\u17b6\u179a\u1796\u17b6\u179a\u1794\u179a\u17b7\u179f\u17d2\u1790\u17b6\u1793\u179f\u1798\u179f\u17d2\u179a\u1794\u17d4 \u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1780\u17b6\u179a\u178a\u17c6\u17a1\u17be\u1784\u179b\u17be\u179f\u1796\u17b8\u179a\u1799\u17c8\u1780\u1798\u17d2\u1796\u179f\u17cb 2,000 \u1798\u17c9\u17c2\u178f\u17d2\u179a \u179f\u17bc\u1798\u1796\u17b7\u1782\u17d2\u179a\u17c4\u17c7\u1787\u17b6\u1798\u17bd\u1799\u1780\u17d2\u179a\u17bb\u1798\u17a0\u17ca\u17bb\u1793\u1795\u179b\u17b7\u178f\u1791\u17b6\u1780\u17cb\u1791\u1784\u1793\u17b9\u1784\u178f\u1798\u17d2\u179a\u17bc\u179c\u1780\u17b6\u179a derating \u17ac\u1787\u17d2\u179a\u17be\u179f\u179a\u17be\u179f\u17a7\u1794\u1780\u179a\u178e\u17cd\u178a\u17c2\u179b\u178f\u17d2\u179a\u17bc\u179c\u1794\u17b6\u1793\u179c\u17b6\u1799\u178f\u1798\u17d2\u179b\u17c3\u1787\u17b6\u1796\u17b7\u179f\u17c1\u179f\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1794\u17d2\u179a\u178f\u17b7\u1794\u178f\u17d2\u178f\u17b7\u1780\u17b6\u179a\u179a\u1799\u17c8\u1780\u1798\u17d2\u1796\u179f\u17cb\u1781\u17d2\u1796\u179f\u17cb\u17d4 \u179a\u1780\u17d2\u179f\u17b6\u179f\u17b8\u178f\u17bb\u178e\u17d2\u17a0\u1797\u17b6\u1796\u1796\u17d0\u1791\u17d2\u1792\u1787\u17bb\u17c6\u179c\u17b7\u1789\u1780\u17d2\u1793\u17bb\u1784\u179b\u1780\u17d2\u1781\u178e\u17c8\u1794\u1785\u17d2\u1785\u17c1\u1780\u1791\u17c1\u179f\u179a\u1794\u179f\u17cb\u17a2\u17d2\u1793\u1780\u1795\u179b\u17b7\u178f \u1787\u17b6\u1792\u1798\u17d2\u1798\u178f\u17b6 -40\u00b0C \u178a\u179b\u17cb +85\u00b0C \u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u17a7\u1794\u1780\u179a\u178e\u17cd\u1780\u1798\u17d2\u179a\u17b7\u178f\u17a7\u179f\u17d2\u179f\u17b6\u17a0\u1780\u1798\u17d2\u1798\u17d4.<\/p>\n<h2>\u1780\u17c6\u17a0\u17bb\u179f\u1791\u17b8 9\u17d6 \u1780\u17b6\u179a\u178f\u1797\u17d2\u1787\u17b6\u1794\u17cb\u179f\u17d2\u1790\u17b6\u1793\u17b8\u1799\u1798\u17b7\u1793\u178f\u17d2\u179a\u17b9\u1798\u178f\u17d2\u179a\u17bc\u179c \u1793\u17b7\u1784\u1780\u17b6\u179a\u1780\u17c6\u178e\u178f\u17cb\u179a\u1785\u1793\u17b6\u179f\u1798\u17d2\u1796\u17d0\u1793\u17d2\u1792\u1781\u17d2\u179f\u17c2<\/h2>\n<p>\u1780\u17b6\u179a\u1797\u17d2\u1787\u17b6\u1794\u17cb\u1781\u17d2\u179f\u17c2 phase, neutral \u17ac ground conductors \u1791\u17c5\u179f\u17d2\u1790\u17b6\u1793\u17b8\u1799\u1781\u17bb\u179f \u1792\u17d2\u179c\u17be\u17b1\u17d2\u1799 SPD \u1782\u17d2\u1798\u17b6\u1793\u1794\u17d2\u179a\u179f\u17b7\u1791\u17d2\u1792\u1797\u17b6\u1796 \u17ac\u1794\u1784\u17d2\u1780\u17be\u178f\u179b\u1780\u17d2\u1781\u1781\u178e\u17d2\u178c\u1782\u17d2\u179a\u17c4\u17c7\u1790\u17d2\u1793\u17b6\u1780\u17cb\u17d4 \u1780\u17c6\u17a0\u17bb\u179f\u1793\u17c1\u17c7\u1787\u17b6\u179a\u17bf\u1784\u1792\u1798\u17d2\u1798\u178f\u17b6\u1787\u17b6\u1796\u17b7\u179f\u17c1\u179f\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u1794\u17b8 phase \u178a\u17c2\u179b\u17a2\u17d2\u1793\u1780\u178a\u17c6\u17a1\u17be\u1784\u1785\u17d2\u179a\u17a1\u17c6\u1780\u17b6\u179a\u178f\u1797\u17d2\u1787\u17b6\u1794\u17cb\u1781\u17d2\u179f\u17c2 \u17ac\u1782\u17d2\u179a\u1794\u17cb\u1782\u17d2\u179a\u1784\u1780\u17b6\u179a bonding neutral-to-ground \u1798\u17b7\u1793\u178f\u17d2\u179a\u17b9\u1798\u178f\u17d2\u179a\u17bc\u179c\u17d4.<\/p>\n<p>\u1780\u17b6\u179a\u1780\u17c6\u178e\u178f\u17cb\u179a\u1785\u1793\u17b6\u179f\u1798\u17d2\u1796\u17d0\u1793\u17d2\u1792\u1781\u17d2\u179f\u17c2\u178f\u17d2\u179a\u17bc\u179c\u178f\u17c2\u178f\u17d2\u179a\u17bc\u179c\u1782\u17d2\u1793\u17b6\u1793\u17b9\u1784\u1780\u17b6\u179a\u179a\u17c0\u1794\u1785\u17c6 grounding \u179a\u1794\u179f\u17cb\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792 (\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792 TN, TT \u17ac IT \u1799\u17c4\u1784\u178f\u17b6\u1798 IEC 60364) \u17d4 \u17a7\u1794\u1780\u179a\u178e\u17cd\u179a\u17bd\u1798\u1794\u1789\u17d2\u1785\u17bc\u179b\u1782\u17d2\u1793\u17b6 Type 1+2 \u178f\u17d2\u179a\u17bc\u179c\u1780\u17b6\u179a neutral-to-earth modules \u1787\u17b6\u1780\u17cb\u179b\u17b6\u1780\u17cb \u17a2\u17b6\u179f\u17d2\u179a\u17d0\u1799\u179b\u17be\u1790\u17b6\u178f\u17be\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u1794\u17d2\u179a\u17be\u1780\u17b6\u179a\u1780\u17c6\u178e\u178f\u17cb\u179a\u1785\u1793\u17b6\u179f\u1798\u17d2\u1796\u17d0\u1793\u17d2\u1792 grounded \u1799\u17c9\u17b6\u1784\u179a\u17b9\u1784\u1798\u17b6\u17c6 \u17ac high-impedance grounded \u17d4.<\/p>\n<p><strong>\u178a\u17c6\u178e\u17c4\u17c7\u179f\u17d2\u179a\u17b6\u1799\u17d6<\/strong> \u179f\u17b7\u1780\u17d2\u179f\u17b6\u178a\u17d2\u1799\u17b6\u1780\u17d2\u179a\u17b6\u1798\u1781\u17d2\u179f\u17c2\u179a\u1794\u179f\u17cb\u17a2\u17d2\u1793\u1780\u1795\u179b\u17b7\u178f SPD \u1798\u17bb\u1793\u1796\u17c1\u179b\u1792\u17d2\u179c\u17be\u1780\u17b6\u179a\u178f\u1797\u17d2\u1787\u17b6\u1794\u17cb\u178e\u17b6\u1798\u17bd\u1799\u17d4 \u1795\u17d2\u1791\u17c0\u1784\u1795\u17d2\u1791\u17b6\u178f\u17cb\u1780\u17b6\u179a\u1780\u17c6\u178e\u178f\u17cb\u179a\u1785\u1793\u17b6\u179f\u1798\u17d2\u1796\u17d0\u1793\u17d2\u1792 grounding \u179a\u1794\u179f\u17cb\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792 \u1793\u17b7\u1784\u1780\u1798\u17d2\u179a\u17b7\u178f\u179c\u17c9\u17bb\u179b\u178f\u17d2\u179a\u17bc\u179c\u1782\u17d2\u1793\u17b6\u1793\u17b9\u1784\u179b\u1780\u17d2\u1781\u178e\u17c8\u1794\u1785\u17d2\u1785\u17c1\u1780\u1791\u17c1\u179f SPD \u17d4 \u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u1794\u17b8 phase \u179f\u1798\u17d2\u1782\u17b6\u179b\u17cb L1, L2, L3, neutral \u1793\u17b7\u1784 ground conductors \u17b1\u17d2\u1799\u1794\u17b6\u1793\u1785\u17d2\u1794\u17b6\u179f\u17cb \u1798\u17bb\u1793\u1796\u17c1\u179b\u1797\u17d2\u1787\u17b6\u1794\u17cb\u17d4 \u1793\u17c5\u1796\u17c1\u179b\u178a\u17c6\u17a1\u17be\u1784\u17a7\u1794\u1780\u179a\u178e\u17cd\u179a\u17bd\u1798\u1794\u1789\u17d2\u1785\u17bc\u179b\u1782\u17d2\u1793\u17b6 Type 1+2 \u179f\u17bc\u1798\u1794\u1789\u17d2\u1787\u17b6\u1780\u17cb\u1790\u17b6\u1780\u17b6\u179a\u1780\u17c6\u178e\u178f\u17cb\u179a\u1785\u1793\u17b6\u179f\u1798\u17d2\u1796\u17d0\u1793\u17d2\u1792 neutral-to-earth protection module \u178f\u17d2\u179a\u17bc\u179c\u1782\u17d2\u1793\u17b6\u1793\u17b9\u1784\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u17a2\u1782\u17d2\u1782\u17b7\u179f\u1793\u17b8\u179a\u1794\u179f\u17cb\u17a2\u17d2\u1793\u1780\u17d4 \u1794\u17d2\u179a\u17be voltage testers \u178a\u17be\u1798\u17d2\u1794\u17b8\u1795\u17d2\u1791\u17c0\u1784\u1795\u17d2\u1791\u17b6\u178f\u17cb\u1780\u17b6\u179a\u178f\u1797\u17d2\u1787\u17b6\u1794\u17cb\u178f\u17d2\u179a\u17b9\u1798\u178f\u17d2\u179a\u17bc\u179c \u1798\u17bb\u1793\u1796\u17c1\u179b\u1794\u1789\u17d2\u1785\u17c1\u1789\u1790\u17b6\u1798\u1796\u179b\u179f\u17c0\u1782\u17d2\u179c\u17b8\u17d4 \u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1780\u17b6\u179a\u178a\u17c6\u17a1\u17be\u1784\u179f\u17d2\u1798\u17bb\u1782\u179f\u17d2\u1798\u17b6\u1789 \u179f\u17bc\u1798\u1796\u17b7\u1782\u17d2\u179a\u17c4\u17c7\u1787\u17b6\u1798\u17bd\u1799\u1795\u17d2\u1793\u17c2\u1780\u1787\u17c6\u1793\u17bd\u1799\u1794\u1785\u17d2\u1785\u17c1\u1780\u1791\u17c1\u179f\u179a\u1794\u179f\u17cb\u179a\u17c4\u1784\u1785\u1780\u17d2\u179a \u178a\u17be\u1798\u17d2\u1794\u17b8\u1795\u17d2\u1791\u17c0\u1784\u1795\u17d2\u1791\u17b6\u178f\u17cb\u1782\u17d2\u179a\u17c4\u1784\u1780\u17b6\u179a\u178e\u17cd\u1781\u17d2\u179f\u17c2\u17d4.<\/p>\n<h2>\u1780\u17c6\u17a0\u17bb\u179f\u1791\u17b8 10\u17d6 \u1780\u17b6\u179a\u178a\u17c6\u17a1\u17be\u1784\u178a\u17c4\u1799\u1781\u17d2\u179b\u17bd\u1793\u17af\u1784\u178a\u17c4\u1799\u1782\u17d2\u1798\u17b6\u1793\u179b\u1780\u17d2\u1781\u178e\u17c8\u179f\u1798\u17d2\u1794\u178f\u17d2\u178f\u17b7\u1782\u17d2\u179a\u1794\u17cb\u1782\u17d2\u179a\u17b6\u1793\u17cb\u178f\u17d2\u179a\u17b9\u1798\u178f\u17d2\u179a\u17bc\u179c<\/h2>\n<p>\u178f\u1798\u17d2\u179a\u17bc\u179c\u1780\u17b6\u179a\u1780\u17bc\u178a\u17a2\u1782\u17d2\u1782\u17b7\u179f\u1793\u17b8\u178f\u1798\u17d2\u179a\u17bc\u179c\u17b1\u17d2\u1799\u17a2\u17d2\u1793\u1780\u1787\u17c6\u1793\u17b6\u1789\u17a2\u1782\u17d2\u1782\u17b7\u179f\u1793\u17b8\u178a\u17c2\u179b\u1798\u17b6\u1793\u17a2\u17b6\u1787\u17d2\u1789\u17b6\u1794\u17d0\u178e\u17d2\u178e\u17a2\u1793\u17bb\u179c\u178f\u17d2\u178f\u1780\u17b6\u179a\u178a\u17c6\u17a1\u17be\u1784 SPD \u17d4 \u1791\u17c4\u17c7\u1799\u17c9\u17b6\u1784\u178e\u17b6\u1780\u17cf\u178a\u17c4\u1799 \u1794\u17bb\u1782\u17d2\u1782\u179b\u17b7\u1780\u1790\u17c2\u1791\u17b6\u17c6\u179a\u17c4\u1784\u1785\u1780\u17d2\u179a\u1798\u17bd\u1799\u1785\u17c6\u1793\u17bd\u1793\u1796\u17d2\u1799\u17b6\u1799\u17b6\u1798\u178a\u17c6\u17a1\u17be\u1784\u178a\u17c4\u1799\u1782\u17d2\u1798\u17b6\u1793\u1780\u17b6\u179a\u1794\u178e\u17d2\u178f\u17bb\u17c7\u1794\u178e\u17d2\u178f\u17b6\u179b\u1782\u17d2\u179a\u1794\u17cb\u1782\u17d2\u179a\u17b6\u1793\u17cb \u1794\u1784\u17d2\u1780\u17be\u178f\u1782\u17d2\u179a\u17c4\u17c7\u1790\u17d2\u1793\u17b6\u1780\u17cb\u179f\u17bb\u179c\u178f\u17d2\u1790\u17b7\u1797\u17b6\u1796 \u1793\u17b7\u1784\u1780\u17b6\u179a\u179a\u17c6\u179b\u17c4\u1797\u179b\u17be\u1780\u17bc\u178a\u178a\u17c2\u179b\u1785\u17b6\u178f\u17cb\u1791\u17bb\u1780\u1787\u17b6\u1798\u17c4\u1783\u17c8\u1793\u17bc\u179c\u1780\u17b6\u179a\u1792\u17b6\u1793\u17b6\u17a7\u1794\u1780\u179a\u178e\u17cd \u1793\u17b7\u1784\u1780\u17b6\u179a\u1792\u17b6\u1793\u17b6\u179a\u17c9\u17b6\u1794\u17cb\u179a\u1784\u17d4.<\/p>\n<p>\u17a2\u17d2\u1793\u1780\u178a\u17c6\u17a1\u17be\u1784\u178a\u17c2\u179b\u1782\u17d2\u1798\u17b6\u1793\u179b\u1780\u17d2\u1781\u178e\u17c8\u179f\u1798\u17d2\u1794\u178f\u17d2\u178f\u17b7\u1782\u17d2\u179a\u1794\u17cb\u1782\u17d2\u179a\u17b6\u1793\u17cb \u1787\u17b6\u1792\u1798\u17d2\u1798\u178f\u17b6\u1781\u17d2\u179c\u17c7\u1785\u17c6\u178e\u17c1\u17c7\u178a\u17b9\u1784\u17a2\u17c6\u1796\u17b8\u1782\u17c4\u179b\u1780\u17b6\u179a\u178e\u17cd\u1793\u17c3\u1780\u17b6\u179a\u179f\u1798\u17d2\u179a\u1794\u179f\u1798\u17d2\u179a\u17bd\u179b\u1780\u17be\u1793\u17a1\u17be\u1784 \u179c\u17b7\u1792\u17b8\u179f\u17b6\u179f\u17d2\u178f\u17d2\u179a grounding \u178f\u17d2\u179a\u17b9\u1798\u178f\u17d2\u179a\u17bc\u179c \u1793\u17b7\u1784\u178f\u1798\u17d2\u179a\u17bc\u179c\u1780\u17b6\u179a\u17a2\u1793\u17bb\u179b\u17c4\u1798\u178f\u17b6\u1798\u1780\u17bc\u178a\u17d4 \u1780\u17b6\u179a\u178a\u17c6\u17a1\u17be\u1784\u178a\u17c2\u179b\u1787\u17b6\u179b\u1791\u17d2\u1792\u1795\u179b\u17a2\u17b6\u1785\u1798\u17be\u179b\u1791\u17c5\u1798\u17b6\u1793\u1798\u17bb\u1781\u1784\u17b6\u179a \u1794\u17c9\u17bb\u1793\u17d2\u178f\u17c2\u1794\u179a\u17b6\u1787\u17d0\u1799\u1780\u17d2\u1793\u17bb\u1784\u1780\u17b6\u179a\u1795\u17d2\u178f\u179b\u17cb\u1780\u17b6\u179a\u1780\u17b6\u179a\u1796\u17b6\u179a\u1794\u17d2\u179a\u1780\u1794\u178a\u17c4\u1799\u1794\u17d2\u179a\u179f\u17b7\u1791\u17d2\u1792\u1797\u17b6\u1796\u17d4.<\/p>\n<p><strong>\u178a\u17c6\u178e\u17c4\u17c7\u179f\u17d2\u179a\u17b6\u1799\u17d6<\/strong> \u178f\u1798\u17d2\u179a\u17bc\u179c\u17b1\u17d2\u1799\u178f\u17c2\u17a2\u17d2\u1793\u1780\u1798\u17c9\u17c5\u1780\u17b6\u179a\u17a2\u1782\u17d2\u1782\u17b7\u179f\u1793\u17b8\u178a\u17c2\u179b\u1798\u17b6\u1793\u17a2\u17b6\u1787\u17d2\u1789\u17b6\u1794\u17d0\u178e\u17d2\u178e\u17a2\u1793\u17bb\u179c\u178f\u17d2\u178f\u1780\u17b6\u179a\u178a\u17c6\u17a1\u17be\u1784 SPD \u1794\u17c9\u17bb\u178e\u17d2\u178e\u17c4\u17c7\u17d4 \u1795\u17d2\u1791\u17c0\u1784\u1795\u17d2\u1791\u17b6\u178f\u17cb\u1790\u17b6\u17a2\u17d2\u1793\u1780\u178a\u17c6\u17a1\u17be\u1784\u1798\u17b6\u1793\u1780\u17b6\u179a\u1794\u178e\u17d2\u178f\u17bb\u17c7\u1794\u178e\u17d2\u178f\u17b6\u179b\u1787\u17b6\u1780\u17cb\u179b\u17b6\u1780\u17cb\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1782\u17c4\u179b\u1780\u17b6\u179a\u178e\u17cd\u1780\u17b6\u179a\u1796\u17b6\u179a\u1780\u17b6\u179a\u1780\u17be\u1793\u17a1\u17be\u1784 \u1793\u17b7\u1784\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a\u178a\u17c2\u179b\u17a2\u17b6\u1785\u17a2\u1793\u17bb\u179c\u178f\u17d2\u178f\u1794\u17b6\u1793 (NEC Article 285, IEC 61643, UL 1449) \u17d4 \u179f\u17d2\u1793\u17be\u179f\u17bb\u17c6\u17af\u1780\u179f\u17b6\u179a\u1793\u17c3\u179b\u1780\u17d2\u1781\u178e\u17c8\u179f\u1798\u17d2\u1794\u178f\u17d2\u178f\u17b7\u179a\u1794\u179f\u17cb\u17a2\u17d2\u1793\u1780\u178a\u17c6\u17a1\u17be\u1784 \u1798\u17bb\u1793\u1796\u17c1\u179b\u1780\u17b6\u179a\u1784\u17b6\u179a\u1785\u17b6\u1794\u17cb\u1795\u17d2\u178f\u17be\u1798\u17d4 \u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1782\u1798\u17d2\u179a\u17c4\u1784\u1796\u17b6\u178e\u17b7\u1787\u17d2\u1787\u1780\u1798\u17d2\u1798 \u17ac\u17a7\u179f\u17d2\u179f\u17b6\u17a0\u1780\u1798\u17d2\u1798\u1792\u17c6\u17d7 \u179f\u17bc\u1798\u1796\u17b7\u1785\u17b6\u179a\u178e\u17b6\u179b\u17be\u179f\u17c1\u179c\u17b6\u1780\u1798\u17d2\u1798\u178a\u17c6\u17a1\u17be\u1784\u178a\u17c2\u179b\u1794\u1789\u17d2\u1787\u17b6\u1780\u17cb\u178a\u17c4\u1799\u179a\u17c4\u1784\u1785\u1780\u17d2\u179a \u17ac\u1780\u17b6\u179a\u178f\u17d2\u179a\u17bd\u178f\u1796\u17b7\u1793\u17b7\u178f\u17d2\u1799\u178a\u17c4\u1799\u1795\u17d2\u1791\u17b6\u179b\u17cb\u1796\u17b8\u1780\u17d2\u179a\u17bb\u1798\u17a0\u17ca\u17bb\u1793\u1795\u179b\u17b7\u178f\u17d4 \u1792\u17b6\u1793\u17b6\u1790\u17b6\u17a2\u17b6\u1787\u17d2\u1789\u17b6\u1792\u179a\u1798\u17bc\u179b\u178a\u17d2\u178b\u17b6\u1793\u178f\u17d2\u179a\u17bd\u178f\u1796\u17b7\u1793\u17b7\u178f\u17d2\u1799 \u1793\u17b7\u1784\u17a2\u1793\u17bb\u1798\u17d0\u178f\u1780\u17b6\u179a\u178a\u17c6\u17a1\u17be\u1784 \u1798\u17bb\u1793\u1796\u17c1\u179b\u178a\u17b6\u1780\u17cb\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u17b1\u17d2\u1799\u178a\u17c6\u178e\u17be\u179a\u1780\u17b6\u179a\u17d4 \u179a\u1780\u17d2\u179f\u17b6\u17af\u1780\u179f\u17b6\u179a\u178a\u17c6\u17a1\u17be\u1784\u1796\u17c1\u1789\u179b\u17c1\u1789 \u179a\u17bd\u1798\u1791\u17b6\u17c6\u1784\u178a\u17d2\u1799\u17b6\u1780\u17d2\u179a\u17b6\u1798\u1781\u17d2\u179f\u17c2 \u179b\u1791\u17d2\u1792\u1795\u179b\u178f\u17c1\u179f\u17d2\u178f \u1793\u17b7\u1784\u179a\u1794\u17b6\u1799\u1780\u17b6\u179a\u178e\u17cd\u1780\u17b6\u179a\u178a\u17b6\u1780\u17cb\u17b1\u17d2\u1799\u178a\u17c6\u178e\u17be\u179a\u1780\u17b6\u179a\u17d4.<\/p>\n<h2>\u1780\u17b6\u179a\u17a2\u1793\u17bb\u179b\u17c4\u1798\u178f\u17b6\u1798 \u1793\u17b7\u1784\u178f\u1798\u17d2\u179a\u17bc\u179c\u1780\u17b6\u179a\u1780\u17bc\u178a<\/h2>\n<p>NEC Article 285 \u1794\u1784\u17d2\u1780\u17be\u178f\u178f\u1798\u17d2\u179a\u17bc\u179c\u1780\u17b6\u179a\u17a2\u1794\u17d2\u1794\u1794\u179a\u1798\u17b6\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1780\u17b6\u179a\u178a\u17c6\u17a1\u17be\u1784 SPD \u1793\u17c5\u17a2\u17b6\u1798\u17c1\u179a\u17b7\u1780\u1781\u17b6\u1784\u1787\u17be\u1784\u17d4 NEC \u1786\u17d2\u1793\u17b6\u17c6 2020 \u1794\u17b6\u1793\u178e\u17c2\u1793\u17b6\u17c6\u1780\u17b6\u179a\u1780\u17b6\u179a\u1796\u17b6\u179a\u1780\u17b6\u179a\u1780\u17be\u1793\u17a1\u17be\u1784\u1787\u17b6\u1780\u17b6\u178f\u1796\u17d2\u179c\u1780\u17b7\u1785\u17d2\u1785\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u179f\u17c1\u179c\u17b6\u1780\u1798\u17d2\u1798\u17a2\u1784\u17d2\u1782\u1797\u17b6\u1796\u179b\u17c6\u1793\u17c5\u178a\u17d2\u178b\u17b6\u1793 \u1780\u17d2\u179a\u17c4\u1798\u1795\u17d2\u1793\u17c2\u1780 230.67 \u1781\u178e\u17c8\u1796\u17c1\u179b\u178a\u17c2\u179b NEC \u1786\u17d2\u1793\u17b6\u17c6 2023 \u1794\u17b6\u1793\u1796\u1784\u17d2\u179a\u17b8\u1780\u178f\u1798\u17d2\u179a\u17bc\u179c\u1780\u17b6\u179a\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u1787\u17bc\u1793\u178a\u17c6\u178e\u17b9\u1784\u17a2\u17c6\u1796\u17b8\u17a2\u1782\u17d2\u1782\u17b8\u1797\u17d0\u1799 \u1793\u17b7\u1784\u179f\u17c0\u1782\u17d2\u179c\u17b8\u179f\u17bb\u179c\u178f\u17d2\u1790\u17b7\u1797\u17b6\u1796\u179f\u17c6\u1781\u17b6\u1793\u17cb\u17d7\u17d4.<\/p>\n<p>\u1780\u17b6\u179a\u178a\u17c6\u17a1\u17be\u1784\u17a2\u1793\u17d2\u178f\u179a\u1787\u17b6\u178f\u17b7\u178f\u17d2\u179a\u17bc\u179c\u178f\u17c2\u17a2\u1793\u17bb\u179b\u17c4\u1798\u178f\u17b6\u1798\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a\u179f\u17ca\u17c1\u179a\u17b8 IEC 62305 \u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u1780\u17b6\u179a\u1796\u17b6\u179a\u179a\u1793\u17d2\u1791\u17c7 \u1793\u17b7\u1784 IEC 61643 \u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u179b\u1780\u17d2\u1781\u178e\u17c8\u1794\u1785\u17d2\u1785\u17c1\u1780\u1791\u17c1\u179f SPD \u17d4 \u1780\u17b6\u179a\u178a\u17c6\u17a1\u17be\u1784\u1793\u17c5\u17a2\u17ba\u179a\u17c9\u17bb\u1794\u1792\u17d2\u179c\u17be\u178f\u17b6\u1798 EN 62305 \u1793\u17b7\u1784\u179a\u17bd\u1798\u1794\u1789\u17d2\u1785\u17bc\u179b\u178f\u1798\u17d2\u179a\u17bc\u179c\u1780\u17b6\u179a SPD \u1791\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1780\u17bc\u178a\u17a2\u1782\u17d2\u1782\u17b7\u179f\u1793\u17b8\u1787\u17b6\u178f\u17b7\u17d4.<\/p>\n<p>\u1785\u17c6\u178e\u17bb\u1785\u17a2\u1793\u17bb\u179b\u17c4\u1798\u178f\u17b6\u1798\u179f\u17c6\u1781\u17b6\u1793\u17cb\u17d7\u179a\u17bd\u1798\u1798\u17b6\u1793\u17d6<\/p>\n<ul>\n<li>SPDs \u178f\u17d2\u179a\u17bc\u179c\u178f\u17c2\u1798\u17b6\u1793\u1794\u1789\u17d2\u1787\u17b8 UL 1449 (\u17a2\u17b6\u1798\u17c1\u179a\u17b7\u1780\u1781\u17b6\u1784\u1787\u17be\u1784) \u17ac CE marked (\u17a2\u17ba\u179a\u17c9\u17bb\u1794)<\/li>\n<li>\u1780\u17b6\u179a\u178a\u17c6\u17a1\u17be\u1784\u178f\u17d2\u179a\u17bc\u179c\u178f\u17c2\u1792\u17d2\u179c\u17be\u178f\u17b6\u1798\u1780\u17b6\u179a\u178e\u17c2\u1793\u17b6\u17c6\u179a\u1794\u179f\u17cb\u17a2\u17d2\u1793\u1780\u1795\u179b\u17b7\u178f\u178a\u17c4\u1799\u1782\u17d2\u1798\u17b6\u1793\u1780\u17b6\u179a\u1795\u17d2\u179b\u17b6\u179f\u17cb\u1794\u17d2\u178f\u17bc\u179a<\/li>\n<li>\u1791\u17c6\u17a0\u17c6 Conductor \u178f\u17d2\u179a\u17bc\u179c\u178f\u17c2\u1794\u17c6\u1796\u17c1\u1789\u178f\u17b6\u1798\u1780\u17bc\u178a\u17a2\u1794\u17d2\u1794\u1794\u179a\u1798\u17b6 \u1793\u17b7\u1784\u179b\u1780\u17d2\u1781\u178e\u17c8\u1794\u1785\u17d2\u1785\u17c1\u1780\u1791\u17c1\u179f\u179a\u1794\u179f\u17cb\u17a2\u17d2\u1793\u1780\u1795\u179b\u17b7\u178f<\/li>\n<li>Grounding \u178f\u17d2\u179a\u17bc\u179c\u178f\u17c2\u17a2\u1793\u17bb\u179b\u17c4\u1798\u178f\u17b6\u1798 NEC Article 250 \u17ac\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a\u1780\u17d2\u1793\u17bb\u1784\u178f\u17c6\u1794\u1793\u17cb\u178a\u17c2\u179b\u179f\u1798\u1798\u17bc\u179b<\/li>\n<li>\u1780\u17b6\u179a\u1780\u17b6\u179a\u1796\u17b6\u179a overcurrent \u1794\u1798\u17d2\u179a\u17bb\u1784\u1791\u17bb\u1780 \u1782\u17ba\u1787\u17b6\u1780\u17b6\u178f\u1796\u17d2\u179c\u1780\u17b7\u1785\u17d2\u1785\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1780\u17b6\u179a\u178a\u17c6\u17a1\u17be\u1784\u1797\u17b6\u1782\u1785\u17d2\u179a\u17be\u1793<\/li>\n<li>\u1780\u17c6\u178e\u178f\u17cb\u178f\u17d2\u179a\u17b6\u178f\u17d2\u179a\u17bd\u178f\u1796\u17b7\u1793\u17b7\u178f\u17d2\u1799 \u1793\u17b7\u1784\u1790\u17c2\u1791\u17b6\u17c6\u1787\u17b6\u1794\u17d2\u179a\u1785\u17b6\u17c6 \u1794\u1784\u17d2\u17a0\u17b6\u1789\u1796\u17b8\u1780\u17b6\u179a\u1781\u17d2\u1793\u17c7\u1781\u17d2\u1793\u17c2\u1784<\/li>\n<\/ul>\n<h2>\u1787\u17b6\u1789\u17b9\u1780\u1789\u17b6\u1794\u17cb\u1794\u17b6\u1793\u179f\u17bd\u179a\u179f\u17c6\u178e\u17bd\u179a<\/h2>\n<p><strong>\u178f\u17be\u1782\u17bd\u179a\u178f\u17d2\u179a\u17bd\u178f\u1796\u17b7\u1793\u17b7\u178f\u17d2\u1799 \u1793\u17b7\u1784\u1792\u17d2\u179c\u17be\u178f\u17c1\u179f\u17d2\u178f\u17a7\u1794\u1780\u179a\u178e\u17cd\u1780\u17b6\u179a\u1796\u17b6\u179a\u179a\u179b\u1780 surge \u1789\u17b9\u1780\u1789\u17b6\u1794\u17cb\u1794\u17c9\u17bb\u178e\u17d2\u178e\u17b6?<\/strong><\/p>\n<p>\u1792\u17d2\u179c\u17be\u1780\u17b6\u179a\u178f\u17d2\u179a\u17bd\u178f\u1796\u17b7\u1793\u17b7\u178f\u17d2\u1799\u178a\u17c4\u1799\u1798\u17be\u179b\u1783\u17be\u1789\u179a\u17c0\u1784\u179a\u17b6\u179b\u17cb\u178f\u17d2\u179a\u17b8\u1798\u17b6\u179f \u178a\u17c4\u1799\u1796\u17b7\u1793\u17b7\u178f\u17d2\u1799\u1798\u17be\u179b\u179f\u17bc\u1785\u1793\u17b6\u1780\u179a\u179f\u17d2\u1790\u17b6\u1793\u1797\u17b6\u1796 \u1793\u17b7\u1784\u179b\u1780\u17d2\u1781\u1781\u178e\u17d2\u178c\u179a\u17bc\u1794\u179c\u1793\u17d2\u178f\u17d4 \u1792\u17d2\u179c\u17be\u178f\u17c1\u179f\u17d2\u178f\u1791\u17bc\u179b\u17c6\u1791\u17bc\u179b\u17b6\u1799\u1787\u17b6\u179a\u17c0\u1784\u179a\u17b6\u179b\u17cb\u1786\u17d2\u1793\u17b6\u17c6\u178a\u17c4\u1799\u1794\u17d2\u179a\u17be\u1798\u17c9\u17b6\u179f\u17ca\u17b8\u1793\u1797\u17d2\u179b\u17be\u1784\u1785\u179a\u1793\u17d2\u178f\u1780\u17be\u1793\u17a1\u17be\u1784 \u1793\u17b7\u1784\u17a7\u1794\u1780\u179a\u178e\u17cd\u179f\u17b6\u1780\u179b\u17d2\u1794\u1784\u179c\u17c9\u17bb\u179b \u1799\u17c4\u1784\u178f\u17b6\u1798\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a IEC 61643-12\u17d4 \u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u178f\u17c6\u1794\u1793\u17cb\u178a\u17c2\u179b\u1784\u17b6\u1799\u179a\u1784\u1782\u17d2\u179a\u17c4\u17c7\u178a\u17c4\u1799\u179a\u1793\u17d2\u1791\u17c7 \u17ac\u1791\u17b8\u178f\u17b6\u17c6\u1784\u178a\u17c2\u179b\u1798\u17b6\u1793\u1780\u17b6\u179a\u1794\u17c9\u17c7\u1796\u17b6\u179b\u17cb\u1781\u17d2\u1796\u179f\u17cb \u179f\u17bc\u1798\u1794\u1784\u17d2\u1780\u17be\u1793\u1794\u17d2\u179a\u17c1\u1780\u1784\u17cb\u178f\u17d2\u179a\u17bd\u178f\u1796\u17b7\u1793\u17b7\u178f\u17d2\u1799\u1787\u17b6\u179a\u17c0\u1784\u179a\u17b6\u179b\u17cb\u1781\u17c2\u17d4 \u1787\u17c6\u1793\u17bd\u179f SPD \u178e\u17b6\u1798\u17bd\u1799\u178a\u17c2\u179b\u1794\u1784\u17d2\u17a0\u17b6\u1789\u179f\u17bc\u1785\u1793\u17b6\u1780\u179a\u179f\u17d2\u1790\u17b6\u1793\u1797\u17b6\u1796\u1796\u178e\u17cc\u1780\u17d2\u179a\u17a0\u1798\u1797\u17d2\u179b\u17b6\u1798\u17d7\u17d4.<\/p>\n<p><strong>\u178f\u17be\u1781\u17d2\u1789\u17bb\u17c6\u17a2\u17b6\u1785\u178a\u17c6\u17a1\u17be\u1784\u17a7\u1794\u1780\u179a\u178e\u17cd\u1780\u17b6\u179a\u1796\u17b6\u179a\u179a\u179b\u1780 surge protective device (SPD) \u1794\u17d2\u179a\u1797\u17c1\u1791 2 \u1793\u17c5\u1795\u17d2\u1793\u17c2\u1780\u1781\u17b6\u1784\u1781\u17d2\u179f\u17c2\u1793\u17c3\u17a7\u1794\u1780\u179a\u178e\u17cd\u1780\u17b6\u179a\u1796\u17b6\u179a\u1785\u179a\u1793\u17d2\u178f\u179b\u17be\u179f (overcurrent protection) \u1794\u17b6\u1793\u178a\u17c2\u179a\u17ac\u1791\u17c1?<\/strong><\/p>\n<p>No. NEC Section 242.12(A) and (B) explicitly prohibit Type 2 SPD installation on the line side of service overcurrent devices. Only Type 1 SPDs are permitted in this location. Type 2 devices must install on the load side of the main disconnect.<\/p>\n<p><strong>\u178f\u17be\u17a2\u17b6\u1799\u17bb\u1780\u17b6\u179b\u1794\u17d2\u179a\u17be\u1794\u17d2\u179a\u17b6\u179f\u17cb\u1792\u1798\u17d2\u1798\u178f\u17b6\u179a\u1794\u179f\u17cb\u17a7\u1794\u1780\u179a\u178e\u17cd\u1780\u17b6\u179a\u1796\u17b6\u179a\u179a\u179b\u1780 surge protection device (SPD) \u1782\u17ba\u1787\u17b6\u17a2\u17d2\u179c\u17b8?<\/strong><\/p>\n<p>Quality SPDs typically last 5-10 years depending on technology, environmental conditions, and surge activity. Devices rated at 250 kA per phase provide 25+ year life expectancy in high-exposure locations. Regular monitoring and immediate replacement of failed units ensures continuous protection. Service life varies significantly based on local lightning activity and power quality conditions.<\/p>\n<p><strong>\u178f\u17be\u200b\u1794\u1793\u17d2\u1791\u17c7\u200b\u1780\u17b6\u179a\u1796\u17b6\u179a\u200b\u1780\u17b6\u179a\u200b\u1780\u17be\u1793\u200b\u17a1\u17be\u1784\u200b\u1793\u17c3\u200b\u1785\u179a\u1793\u17d2\u178f\u200b\u17a2\u1782\u17d2\u1782\u17b7\u179f\u1793\u17b8\u200b\u1795\u17d2\u178a\u179b\u17cb\u200b\u1793\u17bc\u179c\u200b\u1780\u17b6\u179a\u200b\u1780\u17b6\u179a\u1796\u17b6\u179a\u200b\u1782\u17d2\u179a\u1794\u17cb\u1782\u17d2\u179a\u17b6\u1793\u17cb\u200b\u178a\u17c2\u179a\u200b\u17ac\u200b\u1791\u17c1?<\/strong><\/p>\n<p>Power strips offer only minimal point-of-use protection and cannot protect hardwired equipment like HVAC systems, water heaters, or building wiring. Effective protection requires coordinated SPDs installed at the service entrance, distribution panels, and sensitive equipment locations. Consider power strips as supplementary Type 3 protection, not primary defense.<\/p>\n<p><strong>\u178f\u17be\u1780\u17b6\u179a\u1780\u17b6\u179a\u1796\u17b6\u179a\u1780\u17b6\u179a\u1780\u17be\u1793\u17a1\u17be\u1784\u179c\u17c9\u17bb\u179b\u1785\u17b6\u17c6\u1794\u17b6\u1785\u17cb\u1793\u17c5\u1782\u17d2\u179a\u1794\u17cb\u1791\u17b8\u1780\u1793\u17d2\u179b\u17c2\u1784\u178a\u17c2\u179a\u17ac\u1791\u17c1?<\/strong><\/p>\n<p>\u178f\u1798\u17d2\u179a\u17bc\u179c\u1780\u17b6\u179a\u200b\u1781\u17bb\u179f\u1782\u17d2\u1793\u17b6\u200b\u1791\u17c5\u178f\u17b6\u1798\u200b\u178a\u17c2\u1793\u200b\u179f\u1798\u178f\u17d2\u1790\u1780\u17b7\u1785\u17d2\u1785\u17d4 NEC \u1786\u17d2\u1793\u17b6\u17c6 2020 \u178f\u1798\u17d2\u179a\u17bc\u179c\u200b\u17b1\u17d2\u1799\u200b\u1798\u17b6\u1793 SPD \u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u200b\u179f\u17c1\u179c\u17b6\u200b\u17a2\u1784\u17d2\u1782\u1797\u17b6\u1796\u200b\u179b\u17c6\u1793\u17c5\u200b\u178a\u17d2\u178b\u17b6\u1793\u200b\u1793\u17c5\u200b\u17a2\u17b6\u1798\u17c1\u179a\u17b7\u1780\u200b\u1781\u17b6\u1784\u200b\u1787\u17be\u1784\u17d4 NEC \u1786\u17d2\u1793\u17b6\u17c6 2023 \u178f\u1798\u17d2\u179a\u17bc\u179c\u200b\u17b1\u17d2\u1799\u200b\u1798\u17b6\u1793 SPD \u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u200b\u1795\u17d2\u1791\u17b6\u17c6\u1784\u200b\u1794\u1789\u17d2\u1787\u17b6\u200b\u1797\u17d2\u179b\u17be\u1784\u200b\u17a2\u17b6\u179barms \u1793\u17b7\u1784\u200b\u179f\u17c0\u1782\u17d2\u179c\u17b8\u200b\u179f\u17bb\u179c\u178f\u17d2\u1790\u17b7\u1797\u17b6\u1796\u200b\u179f\u17c6\u1781\u17b6\u1793\u17cb\u17d7\u17d4 \u178f\u1798\u17d2\u179a\u17bc\u179c\u1780\u17b6\u179a\u200b\u17a2\u1793\u17d2\u178f\u179a\u1787\u17b6\u178f\u17b7\u200b\u17a2\u1793\u17bb\u179c\u178f\u17d2\u178f\u200b\u178f\u17b6\u1798 IEC 60364-4-44 \u178a\u17c2\u179b\u200b\u178f\u1798\u17d2\u179a\u17bc\u179c\u200b\u17b1\u17d2\u1799\u200b\u1798\u17b6\u1793 SPD \u1793\u17c5\u200b\u1780\u1793\u17d2\u179b\u17c2\u1784\u200b\u178a\u17c2\u179b\u200b\u179c\u17c9\u17bb\u179b\u200b\u179b\u17be\u179f\u200b\u17a2\u17b6\u1785\u200b\u1794\u1784\u17d2\u1780\u200b\u1782\u17d2\u179a\u17c4\u17c7\u1790\u17d2\u1793\u17b6\u1780\u17cb\u200b\u178a\u179b\u17cb\u200b\u17a2\u17b6\u1799\u17bb\u200b\u1787\u17b8\u179c\u17b7\u178f \u179a\u17c6\u1781\u17b6\u1793\u200b\u178a\u179b\u17cb\u200b\u179f\u17c1\u179c\u17b6\u200b\u179f\u17b6\u1792\u17b6\u179a\u178e\u17c8 \u17ac\u200b\u1794\u178e\u17d2\u178f\u17b6\u179b\u200b\u17b1\u17d2\u1799\u200b\u1781\u17b6\u178f\u1794\u1784\u17cb\u200b\u17a0\u17b7\u179a\u1789\u17d2\u1789\u179c\u178f\u17d2\u1790\u17bb\u200b\u1799\u17c9\u17b6\u1784\u200b\u179f\u17c6\u1781\u17b6\u1793\u17cb\u17d4 \u1796\u17b7\u1782\u17d2\u179a\u17c4\u17c7\u200b\u1787\u17b6\u1798\u17bd\u1799\u200b\u17a2\u17b6\u1787\u17d2\u1789\u17b6\u1792\u179a\u200b\u1798\u17bc\u179b\u178a\u17d2\u178b\u17b6\u1793\u200b\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u200b\u178f\u1798\u17d2\u179a\u17bc\u179c\u1780\u17b6\u179a\u200b\u1787\u17b6\u1780\u17cb\u179b\u17b6\u1780\u17cb\u17d4.<\/p>\n<p><strong>\u178f\u17be\u1781\u17d2\u1789\u17bb\u17c6\u17a2\u17b6\u1785\u1795\u17d2\u1791\u17c0\u1784\u1795\u17d2\u1791\u17b6\u178f\u17cb\u178a\u17c4\u1799\u179a\u1794\u17c0\u1794\u178e\u17b6\u1790\u17b6 SPD \u179a\u1794\u179f\u17cb\u1781\u17d2\u1789\u17bb\u17c6\u1793\u17c5\u178f\u17c2\u1780\u17b6\u179a\u1796\u17b6\u179a\u1794\u179a\u17b7\u1780\u17d2\u1781\u17b6\u179a\u179a\u1794\u179f\u17cb\u1781\u17d2\u1789\u17bb\u17c6?<\/strong><\/p>\n<p>\u178f\u17d2\u179a\u17bd\u178f\u1796\u17b7\u1793\u17b7\u178f\u17d2\u1799\u179f\u17bc\u1785\u1793\u17b6\u1780\u179a\u179f\u17d2\u1790\u17b6\u1793\u1797\u17b6\u1796\u17b1\u17d2\u1799\u1794\u17b6\u1793\u1791\u17c0\u1784\u1791\u17b6\u178f\u17cb\u2014\u1796\u178e\u17cc\u1794\u17c3\u178f\u1784\u1798\u17b6\u1793\u1793\u17d0\u1799\u1790\u17b6\u1780\u17b6\u179a\u1780\u17b6\u179a\u1796\u17b6\u179a\u1780\u17c6\u1796\u17bb\u1784\u178a\u17c6\u178e\u17be\u179a\u1780\u17b6\u179a \u1796\u178e\u17cc\u1780\u17d2\u179a\u17a0\u1798\u1798\u17b6\u1793\u1793\u17d0\u1799\u1790\u17b6\u178f\u17d2\u179a\u17bc\u179c\u1794\u17d2\u178f\u17bc\u179a\u17a7\u1794\u1780\u179a\u178e\u17cd\u17d4 \u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1780\u17b6\u179a\u178a\u17c6\u17a1\u17be\u1784\u178a\u17c2\u179b\u1782\u17d2\u1798\u17b6\u1793\u179f\u17bc\u1785\u1793\u17b6\u1780\u179a\u1798\u17be\u179b\u1783\u17be\u1789 \u1780\u17b6\u179a\u1792\u17d2\u179c\u17be\u178f\u17c1\u179f\u17d2\u178f\u1794\u17d2\u179a\u1785\u17b6\u17c6\u1786\u17d2\u1793\u17b6\u17c6\u178a\u17c4\u1799\u17a2\u17d2\u1793\u1780\u1787\u17c6\u1793\u17b6\u1789\u17a2\u1782\u17d2\u1782\u17b7\u179f\u1793\u17b8\u178a\u17c2\u179b\u1798\u17b6\u1793\u179f\u1798\u178f\u17d2\u1790\u1797\u17b6\u1796 \u178a\u17c4\u1799\u1794\u17d2\u179a\u17be\u17a7\u1794\u1780\u179a\u178e\u17cd\u17af\u1780\u1791\u17c1\u179f \u1795\u17d2\u1791\u17c0\u1784\u1795\u17d2\u1791\u17b6\u178f\u17cb\u178a\u17c6\u178e\u17be\u179a\u1780\u17b6\u179a\u17d4 \u178f\u17d2\u179a\u17bd\u178f\u1796\u17b7\u1793\u17b7\u178f\u17d2\u1799\u1780\u17b6\u179a\u1781\u17bc\u1785\u1781\u17b6\u178f\u17a7\u1794\u1780\u179a\u178e\u17cd\u17a2\u1782\u17d2\u1782\u17b7\u179f\u1793\u17b8 \u17ac\u1782\u17c6\u179a\u17bc\u1781\u17bc\u1785\u1781\u17b6\u178f\u178a\u17c2\u179b\u17a2\u17b6\u1785\u1794\u1784\u17d2\u17a0\u17b6\u1789\u1796\u17b8\u1780\u17b6\u179a\u1780\u17b6\u179a\u1796\u17b6\u179a\u179a\u179b\u1780\u178a\u17c2\u179b\u1781\u17bc\u1785\u17d4 \u179a\u1780\u17d2\u179f\u17b6\u1791\u17bb\u1780\u1780\u17c6\u178e\u178f\u17cb\u17a0\u17c1\u178f\u17bb\u1793\u17c3\u1780\u17b6\u179a\u178f\u17d2\u179a\u17bd\u178f\u1796\u17b7\u1793\u17b7\u178f\u17d2\u1799\u178a\u17c2\u179b\u1780\u178f\u17cb\u178f\u17d2\u179a\u17b6\u179f\u17d2\u1790\u17b6\u1793\u1797\u17b6\u1796\u17a7\u1794\u1780\u179a\u178e\u17cd \u1793\u17b7\u1784\u1796\u17d2\u179a\u17b9\u178f\u17d2\u178f\u17b7\u1780\u17b6\u179a\u178e\u17cd\u179a\u179b\u1780\u178e\u17b6\u1798\u17bd\u1799\u17d4.<\/p>\n<h2>\u1780\u17b6\u179a\u1796\u17b6\u179a\u1780\u17b6\u179a\u179c\u17b7\u1793\u17b7\u1799\u17c4\u1782\u179a\u1794\u179f\u17cb\u17a2\u17d2\u1793\u1780\u1787\u17b6\u1798\u17bd\u1799\u1793\u17b9\u1784\u178a\u17c6\u178e\u17c4\u17c7\u179f\u17d2\u179a\u17b6\u1799 VIOX SPD<\/h2>\n<p>\u1780\u17b6\u179a\u178a\u17c6\u17a1\u17be\u1784 SPD \u178f\u17d2\u179a\u17b9\u1798\u178f\u17d2\u179a\u17bc\u179c\u1791\u17b6\u1798\u1791\u17b6\u179a\u1787\u17c6\u1793\u17b6\u1789\u1794\u1785\u17d2\u1785\u17c1\u1780\u1791\u17c1\u179f \u179f\u1798\u17b6\u179f\u1792\u17b6\u178f\u17bb\u178a\u17c2\u179b\u1798\u17b6\u1793\u1782\u17bb\u178e\u1797\u17b6\u1796 \u1793\u17b7\u1784\u1780\u17b6\u179a\u1794\u17d2\u179a\u1780\u17b6\u1793\u17cb\u1781\u17d2\u1787\u17b6\u1794\u17cb\u1793\u17bc\u179c\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a\u17a2\u1793\u17d2\u178f\u179a\u1787\u17b6\u178f\u17b7\u17d4 VIOX \u1795\u179b\u17b7\u178f Surge Protective Devices \u1780\u1798\u17d2\u179a\u17b7\u178f\u17a7\u179f\u17d2\u179f\u17b6\u17a0\u1780\u1798\u17d2\u1798 \u178a\u17c2\u179b\u178f\u17d2\u179a\u17bc\u179c\u1794\u17b6\u1793\u179a\u1785\u1793\u17b6\u17a1\u17be\u1784\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1794\u17d2\u179a\u179f\u17b7\u1791\u17d2\u1792\u1797\u17b6\u1796\u1780\u17b6\u179a\u1796\u17b6\u179a\u17a2\u178f\u17b7\u1794\u179a\u1798\u17b6 \u1793\u17b7\u1784\u17a2\u17b6\u1799\u17bb\u1780\u17b6\u179b\u179f\u17c1\u179c\u17b6\u1780\u1798\u17d2\u1798\u17d4 \u17a7\u1794\u1780\u179a\u178e\u17cd Type 1, Type 2 \u1793\u17b7\u1784 Type 3 \u179a\u1794\u179f\u17cb\u1799\u17be\u1784\u1794\u17c6\u1796\u17c1\u1789\u178f\u17b6\u1798\u178f\u1798\u17d2\u179a\u17bc\u179c\u1780\u17b6\u179a UL 1449 \u1793\u17b7\u1784 IEC 61643 \u1781\u178e\u17c8\u1796\u17c1\u179b\u178a\u17c2\u179b\u1795\u17d2\u178f\u179b\u17cb\u1793\u17bc\u179c\u1780\u17b6\u179a\u1780\u17b6\u179a\u1796\u17b6\u179a\u1780\u17b6\u179a\u1792\u17b6\u1793\u17b6\u1788\u17b6\u1793\u1798\u17bb\u1781\u1782\u17c1\u1780\u17d2\u1793\u17bb\u1784\u17a7\u179f\u17d2\u179f\u17b6\u17a0\u1780\u1798\u17d2\u1798\u17d4.<\/p>\n<p>\u1791\u17b6\u1780\u17cb\u1791\u1784\u1795\u17d2\u1793\u17c2\u1780\u1787\u17c6\u1793\u17bd\u1799\u1794\u1785\u17d2\u1785\u17c1\u1780\u1791\u17c1\u179f VIOX \u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1780\u17b6\u179a\u178e\u17c2\u1793\u17b6\u17c6\u17a2\u17c6\u1796\u17b8\u1780\u17b6\u179a\u178a\u17c6\u17a1\u17be\u1784 \u1787\u17c6\u1793\u17bd\u1799\u1780\u17d2\u1793\u17bb\u1784\u1780\u17b6\u179a\u1787\u17d2\u179a\u17be\u179f\u179a\u17be\u179f\u1795\u179b\u17b7\u178f\u1795\u179b \u1793\u17b7\u1784\u1780\u17b6\u179a\u179a\u1785\u1793\u17b6\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u1780\u17b6\u179a\u1796\u17b6\u179a\u179f\u1798\u17d2\u179a\u1794\u179f\u1798\u17d2\u179a\u17bd\u179b\u17d4 \u1780\u17d2\u179a\u17bb\u1798\u179c\u17b7\u179f\u17d2\u179c\u1780\u1798\u17d2\u1798\u179a\u1794\u179f\u17cb\u1799\u17be\u1784\u1795\u17d2\u178f\u179b\u17cb\u1793\u17bc\u179c\u179b\u1780\u17d2\u1781\u178e\u17c8\u1794\u1785\u17d2\u1785\u17c1\u1780\u1791\u17c1\u179f\u1791\u17bc\u179b\u17c6\u1791\u17bc\u179b\u17b6\u1799 \u178a\u17d2\u1799\u17b6\u1780\u17d2\u179a\u17b6\u1798\u1781\u17d2\u179f\u17c2 \u1793\u17b7\u1784\u1780\u17b6\u179a\u1782\u17b6\u17c6\u1791\u17d2\u179a\u1780\u17b6\u179a\u178a\u17b6\u1780\u17cb\u17b1\u17d2\u1799\u178a\u17c6\u178e\u17be\u179a\u1780\u17b6\u179a \u178a\u17be\u1798\u17d2\u1794\u17b8\u1792\u17b6\u1793\u17b6\u1790\u17b6\u1780\u17b6\u179a\u178a\u17c6\u17a1\u17be\u1784 SPD \u179a\u1794\u179f\u17cb\u17a2\u17d2\u1793\u1780\u1795\u17d2\u178f\u179b\u17cb\u1793\u17bc\u179c\u1780\u17b6\u179a\u1780\u17b6\u179a\u1796\u17b6\u179a\u178a\u17c2\u179b\u17a2\u17b6\u1785\u1791\u17bb\u1780\u1785\u17b7\u178f\u17d2\u178f\u1794\u17b6\u1793\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1786\u17d2\u1793\u17b6\u17c6\u1781\u17b6\u1784\u1798\u17bb\u1781\u17d4.<\/p>\n<p>Visit <a href=\"https:\/\/test.viox.com\/km\/\">viox.com<\/a> to explore our complete surge protection portfolio and access technical resources including installation guides, compliance documentation, and training materials. Protect your facility with SPD solutions engineered for performance.<\/p>\n<\/div>\n<div class=\"simg-pop-btn\" style=\"top: 307.828px; left: 14px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 307.828px; left: 14px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 4029.43px; left: 14px; display: none;\"><\/div>\n<div class=\"simg-pop-btn\" style=\"top: 4029.43px; left: 14px; display: none;\"><\/div>","protected":false},"excerpt":{"rendered":"<p>Why SPD Installation Mistakes Cost More Than You Think A single lightning strike near an overhead power line generates electromagnetic fields that induce voltage surges exceeding 6,000 volts. When Surge Protective Devices (SPDs) fail due to improper installation, the consequences extend far beyond equipment damage. Facility downtime, production losses, and safety incidents create financial impacts [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":20789,"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-20786","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\/20786","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=20786"}],"version-history":[{"count":2,"href":"https:\/\/test.viox.com\/km\/wp-json\/wp\/v2\/posts\/20786\/revisions"}],"predecessor-version":[{"id":20788,"href":"https:\/\/test.viox.com\/km\/wp-json\/wp\/v2\/posts\/20786\/revisions\/20788"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/test.viox.com\/km\/wp-json\/wp\/v2\/media\/20789"}],"wp:attachment":[{"href":"https:\/\/test.viox.com\/km\/wp-json\/wp\/v2\/media?parent=20786"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/test.viox.com\/km\/wp-json\/wp\/v2\/categories?post=20786"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/test.viox.com\/km\/wp-json\/wp\/v2\/tags?post=20786"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}