{"id":19735,"date":"2025-11-12T10:28:31","date_gmt":"2025-11-12T02:28:31","guid":{"rendered":"https:\/\/viox.com\/?p=19735"},"modified":"2025-11-12T10:28:33","modified_gmt":"2025-11-12T02:28:33","slug":"how-to-wire-solar-panels-combiner-box-safely","status":"publish","type":"post","link":"https:\/\/test.viox.com\/km\/how-to-wire-solar-panels-combiner-box-safely\/","title":{"rendered":"\u179a\u1794\u17c0\u1794\u1781\u17d2\u179f\u17c2\u1794\u1793\u17d2\u1791\u17c7\u179f\u17bc\u17a1\u17b6\u1785\u17d2\u179a\u17be\u1793\u1785\u17bc\u179b\u1791\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1794\u17d2\u179a\u17a2\u1794\u17cb\u1794\u1789\u17d2\u1785\u17bc\u179b\u1782\u17d2\u1793\u17b6\u178a\u17c4\u1799\u179f\u17bb\u179c\u178f\u17d2\u1790\u17b7\u1797\u17b6\u1796 (\u17a0\u17be\u1799\u1787\u17c0\u179f\u179c\u17b6\u1784\u1780\u17b6\u179a\u1797\u17d2\u1789\u17b6\u1780\u17cb\u1795\u17d2\u17a2\u17be\u179b Arc Flash)"},"content":{"rendered":"<div class=\"product-intro\">\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone size-full wp-image-19741\" src=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/How-to-Wire-Multiple-Solar-Panels-into-a-Combiner-Box-Safely-.webp\" alt=\"How to Wire Multiple Solar Panels into a Combiner Box Safely \" width=\"800\" height=\"800\" srcset=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/How-to-Wire-Multiple-Solar-Panels-into-a-Combiner-Box-Safely-.webp 800w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/How-to-Wire-Multiple-Solar-Panels-into-a-Combiner-Box-Safely--300x300.webp 300w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/How-to-Wire-Multiple-Solar-Panels-into-a-Combiner-Box-Safely--150x150.webp 150w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/How-to-Wire-Multiple-Solar-Panels-into-a-Combiner-Box-Safely--768x768.webp 768w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/How-to-Wire-Multiple-Solar-Panels-into-a-Combiner-Box-Safely--12x12.webp 12w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/How-to-Wire-Multiple-Solar-Panels-into-a-Combiner-Box-Safely--600x600.webp 600w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/How-to-Wire-Multiple-Solar-Panels-into-a-Combiner-Box-Safely--100x100.webp 100w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>\u1798\u17c9\u17c4\u1784 8:47 \u1796\u17d2\u179a\u17b9\u1780\u17d4 \u17a2\u17d2\u1793\u1780\u178a\u17c6\u17a1\u17be\u1784\u179f\u17bc\u17a1\u17b6\u1794\u17be\u1780\u1782\u1798\u17d2\u179a\u1794\u1794\u17d2\u179a\u17a2\u1794\u17cb\u1794\u1789\u17d2\u1785\u17bc\u179b\u1782\u17d2\u1793\u17b6\u17d4 \u1793\u17c5\u1781\u17b6\u1784\u1780\u17d2\u1793\u17bb\u1784 \u1781\u17d2\u179f\u17c2 PV \u1785\u17c6\u1793\u17bd\u1793\u1794\u17d2\u179a\u17b6\u17c6\u1798\u17bd\u1799\u1794\u1789\u17d2\u1785\u1794\u17cb\u1793\u17c5 <a href=\"https:\/\/test.viox.com\/km\/busbar\/\">busbars<\/a>, \u178a\u17c4\u1799\u179a\u1784\u17cb\u1785\u17b6\u17c6\u17a0\u17d2\u179c\u17bb\u1799\u179f\u17ca\u17b8\u1794\u179a\u1794\u179f\u17cb\u179c\u17b6\u17d4 \u1782\u17b6\u178f\u17cb\u1785\u17b6\u1794\u17cb\u1791\u17bd\u178e\u17ba\u179c\u17b8\u179f\u17a2\u17ca\u17b8\u179f\u17bc\u17a1\u1784\u17cb\u179a\u1794\u179f\u17cb\u1782\u17b6\u178f\u17cb \u1788\u17c4\u1784\u1785\u17b6\u1794\u17cb\u1781\u17d2\u179f\u17c2\u179c\u17b7\u1787\u17d2\u1787\u1798\u17b6\u1793\u178a\u17c6\u1794\u17bc\u1784 \u17a0\u17be\u1799\u1792\u17d2\u179c\u17be\u1780\u17b6\u179a\u1794\u17c9\u17c7\u17d4 \u1780\u17d2\u1793\u17bb\u1784\u179a\u1799\u17c8\u1796\u17c1\u179b 0.3 \u179c\u17b7\u1793\u17b6\u1791\u17b8 \u1795\u17d2\u1780\u17b6\u1797\u17d2\u179b\u17be\u1784 400Vdc \u1795\u17d2\u1791\u17bb\u17c7\u17a1\u17be\u1784 \u2014 \u1797\u17d2\u179b\u17ba\u1787\u17b6\u1784\u1796\u17b7\u179b\u1795\u17d2\u179f\u17b6\u179a\u178a\u17c2\u1780 \u1780\u17d2\u178f\u17c5\u179b\u17d2\u1798\u1798\u17a2\u17b6\u1785\u17a0\u17bd\u178f\u1791\u1784\u17cb\u178a\u17c2\u1784\u1794\u17b6\u1793\u17d4 \u179c\u17c9\u17c2\u1793\u178f\u17b6\u1780\u17b6\u179a\u1796\u17b6\u179a\u179a\u1794\u179f\u17cb\u1782\u17b6\u178f\u17cb\u179a\u179b\u17b6\u1799\u1787\u17b6\u1794\u17cb\u1793\u17b9\u1784\u1798\u17bb\u1781\u179a\u1794\u179f\u17cb\u1782\u17b6\u178f\u17cb\u17d4 \u1795\u17d2\u1780\u17b6\u1797\u17d2\u179b\u17be\u1784\u1794\u1793\u17d2\u178f\u1786\u17c1\u17c7\u178a\u17c4\u1799\u1781\u17d2\u179b\u17bd\u1793\u17af\u1784 \u178a\u17c4\u1799\u179f\u17ca\u17b8\u1785\u179a\u1793\u17d2\u178f DC \u179a\u17a0\u17bc\u178f\u178a\u179b\u17cb\u17a7\u1794\u1780\u179a\u178e\u17cd\u1791\u1794\u17cb\u179b\u17c6\u17a0\u17bc\u179a\u1785\u179a\u1793\u17d2\u178f (breaker) \u178a\u17c2\u179b\u1798\u17b6\u1793\u1785\u1798\u17d2\u1784\u17b6\u1799 50 \u17a0\u17d2\u179c\u17b8\u178f \u1791\u17be\u1794\u178a\u17c6\u178e\u17be\u179a\u1780\u17b6\u179a\u17d4 \u179c\u17b7\u1780\u17d2\u1780\u1799\u1794\u178f\u17d2\u179a\u1796\u17c1\u1791\u17d2\u1799\u17d6 $2,500 \u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1780\u17b6\u179a\u1791\u17c5\u1794\u1793\u17d2\u1791\u1794\u17cb\u179f\u1784\u17d2\u1782\u17d2\u179a\u17c4\u17c7\u1794\u1793\u17d2\u1791\u17b6\u1793\u17cb\u17d4 \u1780\u17b6\u179a\u1794\u17b6\u178f\u17cb\u1794\u1784\u17cb\u1780\u17b6\u179a\u1784\u17b6\u179a\u17d6 \u1794\u17b8\u179f\u1794\u17d2\u178f\u17b6\u17a0\u17cd\u17d4 \u1798\u17c1\u179a\u17c0\u1793\u17d6 DC \u1798\u17b7\u1793\u178a\u17c6\u178e\u17be\u179a\u1780\u17b6\u179a\u178f\u17b6\u1798\u1785\u17d2\u1794\u17b6\u1794\u17cb AC \u1791\u17c1\u17d4.<\/p>\n<p>\u17a2\u17d2\u1793\u1780\u1792\u17d2\u179b\u17b6\u1794\u17cb\u1781\u17d2\u179f\u17c2\u1794\u1793\u17d2\u1791\u17c7 AC \u1796\u17b8\u1798\u17bb\u1793\u1798\u1780\u17d4 \u17a2\u17d2\u1793\u1780\u1792\u17d2\u179b\u17b6\u1794\u17cb\u1792\u17d2\u179c\u17be\u1780\u17b6\u179a\u1787\u17b6\u1798\u17bd\u1799\u179f\u17c1\u179c\u17b6\u1780\u1798\u17d2\u1798\u179b\u17c6\u1793\u17c5\u178a\u17d2\u178b\u17b6\u1793 240V \u17d4 \u17a2\u17d2\u1793\u1780\u178a\u17b9\u1784\u1796\u17b8\u179a\u1794\u17c0\u1794\u1794\u17b7\u1791 <a href=\"https:\/\/test.viox.com\/km\/mcb\/\">\u17a2\u17d2\u1793\u1780\u1794\u17c6\u1794\u17c2\u1780<\/a>. \u1794\u17c9\u17bb\u1793\u17d2\u178f\u17c2\u1794\u17d2\u179a\u17a2\u1794\u17cb\u1794\u1789\u17d2\u1785\u17bc\u179b\u1790\u17b6\u1798\u1796\u179b\u1796\u1793\u17d2\u179b\u17ba\u1796\u17d2\u179a\u17c7\u17a2\u17b6\u1791\u17b7\u178f\u17d2\u1799\u1782\u17ba\u1781\u17bb\u179f\u1782\u17d2\u1793\u17b6\u17d4 \u179c\u17c9\u17bb\u179b\u1780\u17b6\u1793\u17cb\u178f\u17c2\u1781\u17d2\u1796\u179f\u17cb\u17d4 \u1785\u179a\u1793\u17d2\u178f\u1782\u17ba\u1798\u17b7\u1793\u1788\u1794\u17cb\u1788\u179a\u17d4 \u17a0\u17be\u1799\u1795\u17d2\u1780\u17b6\u1797\u17d2\u179b\u17be\u1784? \u179c\u17b6\u1798\u17b7\u1793\u179a\u179b\u178f\u17cb\u178a\u17c4\u1799\u1781\u17d2\u179b\u17bd\u1793\u17af\u1784\u178a\u17bc\u1785 AC \u1791\u17c1\u17d4.<\/p>\n<p>\u178a\u17bc\u1785\u17d2\u1793\u17c1\u17c7 \u178f\u17be\u17a2\u17d2\u179c\u17b8\u1787\u17b6\u1798\u17bc\u179b\u17a0\u17c1\u178f\u17bb\u1796\u17b7\u178f\u1794\u17d2\u179a\u17b6\u1780\u178a\u178a\u17c2\u179b\u1794\u1784\u17d2\u1780\u17be\u178f\u1782\u17d2\u179a\u17c4\u17c7\u1790\u17d2\u1793\u17b6\u1780\u17cb\u1793\u17c1\u17c7? \u17a0\u17be\u1799\u178f\u17be\u17a2\u17d2\u1793\u1780\u1781\u17d2\u179f\u17c2\u1794\u1793\u17d2\u1791\u17c7\u179f\u17bc\u17a1\u17b6\u1785\u17d2\u179a\u17be\u1793\u1785\u17bc\u179b\u1791\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1794\u17d2\u179a\u17a2\u1794\u17cb\u1794\u1789\u17d2\u1785\u17bc\u179b\u1782\u17d2\u1793\u17b6\u178a\u17c4\u1799\u179a\u1794\u17c0\u1794\u178e\u17b6 \u178a\u17c4\u1799\u1798\u17b7\u1793\u1794\u17d2\u179a\u17c2\u1780\u17d2\u179b\u17b6\u1799\u1780\u17b6\u179a\u178f\u1797\u17d2\u1787\u17b6\u1794\u17cb\u1792\u1798\u17d2\u1798\u178f\u17b6\u1791\u17c5\u1787\u17b6\u1780\u17c6\u17a0\u17bb\u179f\u178a\u17c2\u179b\u1794\u1789\u17d2\u1785\u1794\u17cb\u17a2\u17b6\u1787\u17b8\u1796?<\/p>\n<h2>\u1780\u17b6\u179a\u1797\u17d2\u1789\u17b6\u1780\u17cb\u1795\u17d2\u17a2\u17be\u179b\u1793\u17c3\u1795\u17d2\u1780\u17b6\u1797\u17d2\u179b\u17be\u1784\u17d6 \u17a0\u17c1\u178f\u17bb\u17a2\u17d2\u179c\u17b8\u1794\u17b6\u1793\u1787\u17b6\u1781\u17d2\u179f\u17c2\u1797\u17d2\u179b\u17be\u1784 DC Solar \u1798\u17b6\u1793\u1782\u17d2\u179a\u17c4\u17c7\u1790\u17d2\u1793\u17b6\u1780\u17cb\u1787\u17b6\u1784\u17a2\u17d2\u179c\u17b8\u178a\u17c2\u179b\u17a2\u17d2\u1793\u1780\u1782\u17b7\u178f<\/h2>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-19720\" src=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Arc-That-Wont-Die-AC-vs.-DC-Interruption.webp\" alt=\"The Arc That Won't Die: AC vs. DC Interruption\" width=\"800\" height=\"800\" srcset=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Arc-That-Wont-Die-AC-vs.-DC-Interruption.webp 800w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Arc-That-Wont-Die-AC-vs.-DC-Interruption-300x300.webp 300w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Arc-That-Wont-Die-AC-vs.-DC-Interruption-150x150.webp 150w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Arc-That-Wont-Die-AC-vs.-DC-Interruption-768x768.webp 768w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Arc-That-Wont-Die-AC-vs.-DC-Interruption-12x12.webp 12w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Arc-That-Wont-Die-AC-vs.-DC-Interruption-600x600.webp 600w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Arc-That-Wont-Die-AC-vs.-DC-Interruption-100x100.webp 100w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>\u1787\u17b6\u1784\u17a2\u1782\u17d2\u1782\u17b7\u179f\u1793\u17b8\u1797\u17b6\u1782\u1785\u17d2\u179a\u17be\u1793\u179a\u17c0\u1793\u17a2\u17c6\u1796\u17b8\u1782\u17d2\u179a\u17c4\u17c7\u1790\u17d2\u1793\u17b6\u1780\u17cb\u1793\u17c3\u1795\u17d2\u1780\u17b6\u1797\u17d2\u179b\u17be\u1784\u1793\u17c5\u179b\u17be\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792 AC \u17d4 \u1795\u17d2\u1780\u17b6\u1797\u17d2\u179b\u17be\u1784 AC \u179a\u179b\u178f\u17cb 120 \u178a\u1784\u1780\u17d2\u1793\u17bb\u1784\u1798\u17bd\u1799\u179c\u17b7\u1793\u17b6\u1791\u17b8 \u1793\u17c5\u1796\u17c1\u179b\u178a\u17c2\u179b\u179c\u17c9\u17bb\u179b\u1786\u17d2\u179b\u1784\u1780\u17b6\u178f\u17cb\u179f\u17bc\u1793\u17d2\u1799\u17d4 \u1795\u17d2\u1780\u17b6\u1797\u17d2\u179b\u17be\u1784 DC \u179c\u17b7\u1789? <strong>\u1796\u17bd\u1780\u179c\u17b6\u1793\u17b9\u1784\u1786\u17c1\u17c7\u179a\u17a0\u17bc\u178f\u178a\u179b\u17cb\u17a2\u17d2\u179c\u17b8\u1798\u17bd\u1799\u179a\u179b\u17b6\u1799\u17d4.<\/strong> \u1793\u17c1\u17c7\u1782\u17ba\u1787\u17b6\u1780\u17b6\u179a\u1797\u17d2\u1789\u17b6\u1780\u17cb\u1795\u17d2\u17a2\u17be\u179b\u1793\u17c3\u1795\u17d2\u1780\u17b6\u1797\u17d2\u179b\u17be\u1784 \u2014 \u17a2\u17c6\u1796\u17be\u17a0\u17b7\u1784\u17d2\u179f\u17b6\u179f\u17d2\u1784\u17c0\u1798\u179f\u17d2\u1784\u17b6\u178f\u17cb \u1793\u17b7\u1784\u1791\u17d2\u179a\u1791\u17d2\u179a\u1784\u17cb\u1781\u17d2\u179b\u17bd\u1793\u17af\u1784\u179a\u1794\u179f\u17cb DC \u178a\u17c2\u179b\u1792\u17d2\u179c\u17be\u17b1\u17d2\u1799\u179c\u17b6\u1780\u17b6\u1793\u17cb\u178f\u17c2\u1798\u17b6\u1793\u1782\u17d2\u179a\u17c4\u17c7\u1790\u17d2\u1793\u17b6\u1780\u17cb\u1787\u17b6\u1784 AC \u1793\u17c5\u179c\u17c9\u17bb\u179b\u178a\u17bc\u1785\u1782\u17d2\u1793\u17b6\u17d4.<\/p>\n<p>\u1793\u17c1\u17c7\u1782\u17ba\u1787\u17b6\u179c\u17b7\u1791\u17d2\u1799\u17b6\u179f\u17b6\u179f\u17d2\u178f\u17d2\u179a\u179a\u17bc\u1794\u179c\u17b7\u1791\u17d2\u1799\u17b6\u178a\u17c2\u179b\u179f\u1798\u17d2\u179b\u17b6\u1794\u17cb\u1798\u1793\u17bb\u179f\u17d2\u179f\u17d6 \u1793\u17c5\u1796\u17c1\u179b\u17a2\u17d2\u1793\u1780\u1794\u17c6\u1794\u17c2\u1780 conductors \u1796\u17b8\u179a\u178a\u17c2\u179b\u1795\u17d2\u1791\u17bb\u1780\u1785\u179a\u1793\u17d2\u178f DC \u1795\u17d2\u1780\u17b6\u1797\u17d2\u179b\u17be\u1784\u1792\u17d2\u179c\u17be\u17b1\u17d2\u1799\u1782\u1798\u17d2\u179b\u17b6\u178f\u1781\u17d2\u1799\u179b\u17cb\u1798\u17b6\u1793\u17a2\u17ca\u17b8\u1799\u17c9\u17bb\u1784\u17d4 \u1794\u17d2\u179b\u17b6\u179f\u17d2\u1798\u17b6\u178a\u17c2\u179b\u1798\u17b6\u1793\u17a2\u17ca\u17b8\u1799\u17c9\u17bb\u1784\u1793\u17c4\u17c7\u1780\u17d2\u179b\u17b6\u1799\u1787\u17b6\u1795\u17d2\u179b\u17bc\u179c\u178a\u17c2\u179b\u1798\u17b6\u1793\u1797\u17b6\u1796\u1792\u1793\u17cb\u1791\u17d2\u179a\u17b6\u17c6\u1791\u17b6\u1794\u17d4 \u179c\u17c9\u17bb\u179b DC \u1798\u17b7\u1793\u178a\u17c2\u179b\u1792\u17d2\u179b\u17b6\u1780\u17cb\u1785\u17bb\u17c7\u178a\u179b\u17cb\u179f\u17bc\u1793\u17d2\u1799\u1791\u17c1 \u178a\u17bc\u1785\u17d2\u1793\u17c1\u17c7\u1794\u17d2\u179b\u17b6\u179f\u17d2\u1798\u17b6\u1798\u17b7\u1793\u178a\u17c2\u179b\u178f\u17d2\u179a\u1787\u17b6\u1780\u17cb\u1791\u17c1\u17d4 \u1787\u17bd\u179a\u1788\u179a\u1795\u17d2\u1780\u17b6\u1797\u17d2\u179b\u17be\u1784\u179a\u17b8\u1780\u1792\u17c6\u17a1\u17be\u1784 \u178a\u17c4\u1799\u179f\u17ca\u17b8\u1785\u179a\u1793\u17d2\u178f\u1794\u1793\u17d2\u178f\u179a\u17a0\u17bc\u178f\u178a\u179b\u17cb\u179c\u17b6\u17a1\u17be\u1784\u178a\u179b\u17cb\u179f\u17b8\u178f\u17bb\u178e\u17d2\u17a0\u1797\u17b6\u1796 35,000\u00b0F \u2014 \u1780\u17d2\u178f\u17c5\u1787\u17b6\u1784\u1795\u17d2\u1791\u17c3\u1796\u17d2\u179a\u17c7\u17a2\u17b6\u1791\u17b7\u178f\u17d2\u1799\u17d4.<\/p>\n<p>\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1794\u17d2\u179a\u17a2\u1794\u17cb\u1794\u1789\u17d2\u1785\u17bc\u179b\u1790\u17b6\u1798\u1796\u179b\u1796\u1793\u17d2\u179b\u17ba\u1796\u17d2\u179a\u17c7\u17a2\u17b6\u1791\u17b7\u178f\u17d2\u1799 \u17a2\u17d2\u1793\u1780\u1780\u17c6\u1796\u17bb\u1784\u178a\u17c4\u17c7\u179f\u17d2\u179a\u17b6\u1799\u1787\u17b6\u1798\u17bd\u1799\u179c\u17c9\u17bb\u179b\u1781\u17d2\u179f\u17c2 300-600Vdc \u17d4 \u1781\u17d2\u179f\u17c2\u1794\u1793\u17d2\u1791\u17c7 10 \u1792\u1798\u17d2\u1798\u178f\u17b6\u1793\u17c5 40Voc \u1793\u17b8\u1798\u17bd\u1799\u17d7 \u1798\u17b7\u1793\u1798\u17c2\u1793 400V \u1791\u17c1\u17d4 \u1793\u17c5\u1796\u17d2\u179a\u17b9\u1780\u1781\u17c2\u1798\u1780\u179a\u17b6\u178a\u17cf\u178f\u17d2\u179a\u1787\u17b6\u1780\u17cb Voc \u1793\u17c4\u17c7\u1780\u17be\u1793\u17a1\u17be\u1784 25% \u1781\u17d2\u1796\u179f\u17cb\u1787\u17b6\u1784 \u2014 \u178a\u179b\u17cb 500V \u17d4 \u1791\u17bd\u178e\u17ba\u179c\u17b8\u179f\u17a2\u17ca\u17b8\u179f\u17bc\u17a1\u1784\u17cb\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a\u179a\u1794\u179f\u17cb\u17a2\u17d2\u1793\u1780\u178a\u17c2\u179b\u178f\u17d2\u179a\u17bc\u179c\u1794\u17b6\u1793\u179c\u17b6\u1799\u178f\u1798\u17d2\u179b\u17c3\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb 1000V? \u1793\u17c4\u17c7\u1782\u17ba\u1787\u17b6\u1780\u17b6\u179a\u179c\u17b6\u1799\u178f\u1798\u17d2\u179b\u17c3 AC \u17d4 \u179c\u17c9\u17bb\u179b\u1791\u1794\u17cb\u1791\u179b\u17cb DC \u1787\u17b6\u1792\u1798\u17d2\u1798\u178f\u17b6\u1791\u17b6\u1794\u1787\u17b6\u1784 30-40% \u17d4.<\/p>\n<p><em>\u1785\u17d2\u1794\u17b6\u1794\u17cb\u178a\u17c6\u1794\u17bc\u1784\u1793\u17c3\u1780\u17b6\u179a\u1784\u17b6\u179a DC solar: \u1794\u17d2\u179a\u179f\u17b7\u1793\u1794\u17be\u17a2\u17d2\u1793\u1780\u1798\u17b7\u1793\u1796\u17b6\u1780\u17cb PPE \u178a\u17c2\u179b\u1798\u17b6\u1793\u1780\u1798\u17d2\u179a\u17b7\u178f\u1795\u17d2\u1780\u17b6\u1797\u17d2\u179b\u17be\u1784\u1791\u17c1 \u17a2\u17d2\u1793\u1780\u1780\u17c6\u1796\u17bb\u1784\u179b\u17c1\u1784\u179b\u17d2\u1794\u17c2\u1784\u1787\u17b6\u1798\u17bd\u1799\u1793\u17b9\u1784\u1780\u17b6\u179a\u1798\u17be\u179b\u1783\u17be\u1789\u179a\u1794\u179f\u17cb\u17a2\u17d2\u1793\u1780\u17d4.<\/em> Category 2 PPE (8 cal\/cm\u00b2) \u1782\u17ba\u1787\u17b6\u17a2\u1794\u17d2\u1794\u1794\u179a\u1798\u17b6\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1780\u17b6\u179a\u1784\u17b6\u179a\u1794\u17d2\u179a\u17a2\u1794\u17cb\u1794\u1789\u17d2\u1785\u17bc\u179b\u1782\u17d2\u1793\u17b6\u1797\u17b6\u1782\u1785\u17d2\u179a\u17be\u1793\u17d4 \u1794\u17c9\u17bb\u1793\u17d2\u178f\u17c2\u1793\u17c1\u17c7\u1782\u17ba\u1787\u17b6\u17a2\u1793\u17d2\u1791\u17b6\u1780\u17cb\u17d6 \u1780\u17b6\u179a\u179c\u17b6\u1799\u178f\u1798\u17d2\u179b\u17c3\u1793\u17c4\u17c7\u179f\u1793\u17d2\u1798\u178f\u1790\u17b6\u17a2\u17d2\u1793\u1780\u1780\u17c6\u1796\u17bb\u1784\u1792\u17d2\u179c\u17be\u1780\u17b6\u179a\u179b\u17be\u17a7\u1794\u1780\u179a\u178e\u17cd\u178a\u17c2\u179b\u1782\u17d2\u1798\u17b6\u1793\u1790\u17b6\u1798\u1796\u179b\u17d4 \u1796\u17c1\u179b\u178a\u17c2\u179b\u17a2\u17d2\u1793\u1780\u179f\u1798\u17d2\u179a\u17c1\u1785\u1785\u17b7\u178f\u17d2\u178f \u201c\u1782\u17d2\u179a\u17b6\u1793\u17cb\u178f\u17c2\u179a\u17b9\u178f\u1794\u1793\u17d2\u178f\u17b9\u1784\u1780\u17b6\u179a\u178f\u1797\u17d2\u1787\u17b6\u1794\u17cb\u1798\u17bd\u1799\u178a\u17c4\u1799\u1795\u17d2\u1791\u17b6\u179b\u17cb\u201d \u17a2\u17d2\u1793\u1780\u179f\u17d2\u1790\u17b7\u178f\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u178a\u17c2\u1793\u178a\u17b8 Category 4 (40 cal\/cm\u00b2) \u2014 \u17a0\u17be\u1799\u1781\u17c2\u179b\u1798\u17bb\u1781\u1793\u17b9\u1784\u1798\u17b7\u1793\u1787\u17bd\u1799\u179f\u1784\u17d2\u179a\u17d2\u1782\u17c4\u17c7\u17a2\u17d2\u1793\u1780\u1796\u17b8\u179a\u179b\u1780\u179f\u1798\u17d2\u1796\u17b6\u1792\u1793\u17c4\u17c7\u1791\u17c1\u17d4.<\/p>\n<p>\u1780\u17b6\u179a\u1794\u17c4\u17c7\u1796\u17bb\u1798\u17d2\u1796 NEC 2023 \u1791\u17b8\u1794\u17c6\u1795\u17bb\u178f\u1794\u17b6\u1793\u178a\u17b9\u1784\u17a2\u17c6\u1796\u17b8\u1794\u1789\u17d2\u17a0\u17b6\u1793\u17c1\u17c7\u17d4 \u1798\u17b6\u178f\u17d2\u179a\u17b6 690.12 \u178f\u1798\u17d2\u179a\u17bc\u179c\u17b1\u17d2\u1799\u1798\u17b6\u1793\u1780\u17b6\u179a\u1794\u17b7\u1791\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792 PV \u1799\u17c9\u17b6\u1784\u1786\u17b6\u1794\u17cb\u179a\u17a0\u17d0\u179f \u1794\u17c9\u17bb\u1793\u17d2\u178f\u17c2\u179c\u17b6\u1798\u17b7\u1793\u1780\u17b6\u179a\u1796\u17b6\u179a\u17a2\u17d2\u1793\u1780\u1780\u17c6\u17a1\u17bb\u1784\u1796\u17c1\u179b\u178a\u17c6\u17a1\u17be\u1784\u1793\u17c4\u17c7\u1791\u17c1\u17d4 \u1793\u17c4\u17c7\u1782\u17ba\u17a2\u17b6\u179f\u17d2\u179a\u17d0\u1799\u179b\u17be\u17a2\u17d2\u1793\u1780\u17d4 \u1793\u17b7\u1784\u179c\u17b7\u1792\u17b8\u179f\u17b6\u179f\u17d2\u178f\u17d2\u179a\u1781\u17d2\u179f\u17c2\u1794\u17d2\u179a\u17a2\u1794\u17cb\u1794\u1789\u17d2\u1785\u17bc\u179b\u1782\u17d2\u1793\u17b6\u179a\u1794\u179f\u17cb\u17a2\u17d2\u1793\u1780\u17d4.<\/p>\n<h2>\u17a2\u1793\u17d2\u1791\u17b6\u1780\u17cb\u1793\u17c3\u1780\u17b6\u179a\u1787\u1784\u17cb\u179c\u17c9\u17bb\u179b\u17d6 \u1793\u17c5\u1796\u17c1\u179b\u178a\u17c2\u179b\u1782\u178e\u17b7\u178f\u179c\u17b7\u1791\u17d2\u1799\u17b6\u179a\u1794\u179f\u17cb\u17a2\u17d2\u1793\u1780\u1780\u17d2\u179b\u17b6\u1799\u1787\u17b6\u1782\u17d2\u179a\u17c4\u17c7\u1790\u17d2\u1793\u17b6\u1780\u17cb\u179f\u17bb\u179c\u178f\u17d2\u1790\u17b7\u1797\u17b6\u1796<\/h2>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-19737\" src=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Voltage-Stacking-Trap-Cold-Weathers-Hidden-Danger.webp\" alt=\"The Voltage Stacking Trap: Cold Weather's Hidden Danger.\" width=\"800\" height=\"800\" srcset=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Voltage-Stacking-Trap-Cold-Weathers-Hidden-Danger.webp 800w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Voltage-Stacking-Trap-Cold-Weathers-Hidden-Danger-300x300.webp 300w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Voltage-Stacking-Trap-Cold-Weathers-Hidden-Danger-150x150.webp 150w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Voltage-Stacking-Trap-Cold-Weathers-Hidden-Danger-768x768.webp 768w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Voltage-Stacking-Trap-Cold-Weathers-Hidden-Danger-12x12.webp 12w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Voltage-Stacking-Trap-Cold-Weathers-Hidden-Danger-600x600.webp 600w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Voltage-Stacking-Trap-Cold-Weathers-Hidden-Danger-100x100.webp 100w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>\u17a2\u17d2\u1793\u1780\u1794\u17b6\u1793\u1796\u17b7\u1793\u17b7\u178f\u17d2\u1799\u179f\u17d2\u179b\u17b6\u1780\u1794\u1793\u17d2\u1791\u17c7\u17d6 40Voc \u17d4 \u17a2\u17d2\u1793\u1780\u1798\u17b6\u1793\u1794\u1793\u17d2\u1791\u17c7\u1785\u17c6\u1793\u17bd\u1793 8 \u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u179f\u17ca\u17c1\u179a\u17b8\u17d4 \u1782\u178e\u17b7\u178f\u179c\u17b7\u1791\u17d2\u1799\u17b6\u179f\u17b6\u1798\u1789\u17d2\u1789\u17d6 8 \u00d7 40V = 320V \u17d4 \u17a7\u1794\u1780\u179a\u178e\u17cd\u178a\u17b6\u1780\u17cb\u17a0\u17d2\u179c\u17bb\u1799\u179f\u17ca\u17b8\u1794\u179a\u1794\u179f\u17cb\u17a2\u17d2\u1793\u1780\u178f\u17d2\u179a\u17bc\u179c\u1794\u17b6\u1793\u179c\u17b6\u1799\u178f\u1798\u17d2\u179b\u17c3\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb 600V \u17d4 \u17a7\u1794\u1780\u179a\u178e\u17cd\u1791\u1794\u17cb\u179b\u17c6\u17a0\u17bc\u179a\u1785\u179a\u1793\u17d2\u178f (breaker) \u179a\u1794\u179f\u17cb\u17a2\u17d2\u1793\u1780\u178f\u17d2\u179a\u17bc\u179c\u1794\u17b6\u1793\u179c\u17b6\u1799\u178f\u1798\u17d2\u179b\u17c3\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb 250Vdc \u17d4 \u17a2\u17d2\u1793\u1780\u1798\u17b6\u1793\u179f\u17bb\u179c\u178f\u17d2\u1790\u17b7\u1797\u17b6\u1796\u1798\u17c2\u1793\u1791\u17c1?<\/p>\n<p><strong>\u179f\u17bc\u1798\u179f\u17d2\u179c\u17b6\u1782\u1798\u1793\u17cd\u1798\u1780\u1780\u17b6\u1793\u17cb\u17a2\u1793\u17d2\u1791\u17b6\u1780\u17cb\u1793\u17c3\u1780\u17b6\u179a\u1787\u1784\u17cb\u179c\u17c9\u17bb\u179b\u17d4.<\/strong><\/p>\n<p>\u1793\u17c1\u17c7\u1787\u17b6\u17a2\u17d2\u179c\u17b8\u178a\u17c2\u179b\u179f\u17d2\u179b\u17b6\u1780\u1798\u17b7\u1793\u1794\u17b6\u1793\u1794\u17d2\u179a\u17b6\u1794\u17cb\u17a2\u17d2\u1793\u1780\u17d6 Voc (\u179c\u17c9\u17bb\u179b\u179f\u17c0\u1782\u17d2\u179c\u17b8\u1794\u17be\u1780) \u178f\u17d2\u179a\u17bc\u179c\u1794\u17b6\u1793\u179c\u17b6\u179f\u17cb\u1793\u17c5\u179b\u1780\u17d2\u1781\u1781\u178e\u17d2\u178c\u1792\u17d2\u179c\u17be\u178f\u17c1\u179f\u17d2\u178f\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a \u2014 25\u00b0C (77\u00b0F) \u17d4 \u178f\u17be\u1794\u1793\u17d2\u1791\u17c7\u179a\u1794\u179f\u17cb\u17a2\u17d2\u1793\u1780\u1793\u17c5\u1796\u17d2\u179a\u17b9\u1780\u178f\u17d2\u179a\u1787\u17b6\u1780\u17cb\u1799\u17c9\u17b6\u1784\u1798\u17c9\u17c1\u1785\u178a\u17c2\u179a? \u1796\u17bd\u1780\u179c\u17b6\u1780\u17c6\u1796\u17bb\u1784\u178a\u17c6\u178e\u17be\u179a\u1780\u17b6\u179a\u1793\u17c5 -10\u00b0C (14\u00b0F) \u17d4 \u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u179a\u17b6\u179b\u17cb\u178a\u17ba\u1780\u17d2\u179a\u17c1 Celsius \u1780\u17d2\u179a\u17c4\u1798 25\u00b0C Voc \u1780\u17be\u1793\u17a1\u17be\u1784 0.3% \u17d4.<\/p>\n<p>\u1792\u17d2\u179c\u17be\u1782\u178e\u17b7\u178f\u179c\u17b7\u1791\u17d2\u1799\u17b6\u1796\u17b7\u178f\u1794\u17d2\u179a\u17b6\u1780\u178a\u17d6 8 \u1794\u1793\u17d2\u1791\u17c7 \u00d7 40Voc \u00d7 (1 + (35\u00b0C \u00d7 0.003)) = 8 \u00d7 40 \u00d7 1.105 = <strong>353.6V<\/strong>. \u1793\u17c4\u17c7\u1782\u17ba\u1787\u17b6\u1780\u17b6\u179a\u1780\u17be\u1793\u17a1\u17be\u1784 10% \u17d4 \u1793\u17c5\u178f\u17c2\u179f\u17d2\u1790\u17b7\u178f\u1793\u17c5\u1780\u17d2\u179a\u17c4\u1798\u17a7\u1794\u1780\u179a\u178e\u17cd\u178a\u17b6\u1780\u17cb\u17a0\u17d2\u179c\u17bb\u1799\u179f\u17ca\u17b8\u1794 600V \u179a\u1794\u179f\u17cb\u17a2\u17d2\u1793\u1780 \u1794\u17c9\u17bb\u1793\u17d2\u178f\u17c2\u1785\u17bb\u17c7\u1799\u17c9\u17b6\u1784\u178e\u17b6\u1785\u17c6\u1796\u17c4\u17c7\u17a7\u1794\u1780\u179a\u178e\u17cd\u1791\u1794\u17cb\u179b\u17c6\u17a0\u17bc\u179a\u1785\u179a\u1793\u17d2\u178f (breaker) 250Vdc \u179a\u1794\u179f\u17cb\u17a2\u17d2\u1793\u1780?<\/p>\n<p>\u179a\u1784\u17cb\u1785\u17b6\u17c6 \u2014 \u179c\u17b6\u1780\u17b6\u1793\u17cb\u178f\u17c2\u17a2\u17b6\u1780\u17d2\u179a\u1780\u17cb\u17d4 \u17a7\u1794\u1780\u179a\u178e\u17cd\u1791\u1794\u17cb\u179b\u17c6\u17a0\u17bc\u179a\u1785\u179a\u1793\u17d2\u178f (breaker) \u201c250Vdc\u201d \u1793\u17c4\u17c7? \u179c\u17b6\u1794\u17d2\u179a\u17a0\u17c2\u179b\u1787\u17b6\u178f\u17d2\u179a\u17bc\u179c\u1794\u17b6\u1793\u179c\u17b6\u1799\u178f\u1798\u17d2\u179b\u17c3 AC \u17d4 \u17a7\u1794\u1780\u179a\u178e\u17cd\u1791\u1794\u17cb\u179b\u17c6\u17a0\u17bc\u179a\u1785\u179a\u1793\u17d2\u178f (breaker) \u178a\u17c2\u179b\u1798\u17b6\u1793\u179f\u17d2\u179a\u17c4\u1798\u1791\u17d2\u179a\u179c\u17c2\u1784\u1797\u17b6\u1782\u1785\u17d2\u179a\u17be\u1793\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1794\u17d2\u179a\u17a2\u1794\u17cb\u1794\u1789\u17d2\u1785\u17bc\u179b\u1790\u17b6\u1798\u1796\u179b\u1796\u1793\u17d2\u179b\u17ba\u1796\u17d2\u179a\u17c7\u17a2\u17b6\u1791\u17b7\u178f\u17d2\u1799 \u1782\u17ba\u1787\u17b6\u17a7\u1794\u1780\u179a\u178e\u17cd\u1791\u1794\u17cb\u179b\u17c6\u17a0\u17bc\u179a\u1785\u179a\u1793\u17d2\u178f (breaker) AC \u178a\u17c2\u179b\u178f\u17d2\u179a\u17bc\u179c\u1794\u17b6\u1793\u1780\u17c2\u1785\u17d2\u1793\u17c3\u17a1\u17be\u1784\u179c\u17b7\u1789\u17d4 \u179c\u17c9\u17bb\u179b\u1791\u1794\u17cb\u1791\u179b\u17cb DC \u1787\u17b6\u179a\u17bf\u1799\u17d7\u1798\u17b6\u1793 50% \u1793\u17c3\u1780\u17b6\u179a\u179c\u17b6\u1799\u178f\u1798\u17d2\u179b\u17c3 AC \u17d4 \u17a7\u1794\u1780\u179a\u178e\u17cd\u1791\u1794\u17cb\u179b\u17c6\u17a0\u17bc\u179a\u1785\u179a\u1793\u17d2\u178f (breaker) \u201c250Vdc\u201d \u179a\u1794\u179f\u17cb\u17a2\u17d2\u1793\u1780\u1794\u17d2\u179a\u17a0\u17c2\u179b\u1787\u17b6\u1798\u17b6\u1793\u179f\u17bb\u179c\u178f\u17d2\u1790\u17b7\u1797\u17b6\u1796\u178f\u17d2\u179a\u17b9\u1798\u178f\u17c2 125Vdc \u1780\u17d2\u179a\u17c4\u1798\u1794\u1793\u17d2\u1791\u17bb\u1780 DC \u178a\u17c2\u179b\u1791\u17d2\u179a\u1791\u17d2\u179a\u1784\u17cb\u17d4.<\/p>\n<p><em>\u1781\u17d2\u179f\u17c2 353V \u179a\u1794\u179f\u17cb\u17a2\u17d2\u1793\u1780\u1791\u17be\u1794\u178f\u17c2\u1780\u17d2\u179b\u17b6\u1799\u1787\u17b6\u1782\u17d2\u179a\u17b6\u1794\u17cb\u1794\u17c2\u1780\u178a\u17c2\u179b\u179a\u1784\u17cb\u1785\u17b6\u17c6\u1780\u17c6\u17a0\u17bb\u179f\u1795\u17d2\u1780\u17b6\u1797\u17d2\u179b\u17be\u1784\u178a\u17c6\u1794\u17bc\u1784\u17d4.<\/em><\/p>\n<p>NEC 690.7 \u178f\u1798\u17d2\u179a\u17bc\u179c\u17b1\u17d2\u1799\u17a2\u17d2\u1793\u1780\u17a2\u1793\u17bb\u179c\u178f\u17d2\u178f\u1780\u178f\u17d2\u178f\u17b6\u1780\u17c2\u178f\u1798\u17d2\u179a\u17bc\u179c 1.25 \u1791\u17c5 Voc \u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1780\u17b6\u179a\u1782\u178e\u1793\u17b6\u179f\u17b8\u178f\u17bb\u178e\u17d2\u17a0\u1797\u17b6\u1796\u178f\u17d2\u179a\u1787\u17b6\u1780\u17cb\u17d4 \u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1781\u17d2\u179f\u17c2\u1794\u1793\u17d2\u1791\u17c7 8 \u178a\u17c2\u179b\u1798\u17b6\u1793 320V \u1793\u17b6\u1798\u1780\u179a\u178e\u17cd \u1793\u17c4\u17c7\u1782\u17ba\u1787\u17b6\u179c\u17c9\u17bb\u179b\u179a\u1785\u1793\u17b6\u17a2\u1794\u17d2\u1794\u1794\u179a\u1798\u17b6 400V \u17d4 \u17a7\u1794\u1780\u179a\u178e\u17cd\u1791\u1794\u17cb\u179b\u17c6\u17a0\u17bc\u179a\u1785\u179a\u1793\u17d2\u178f (breaker) 250Vdc \u179a\u1794\u179f\u17cb\u17a2\u17d2\u1793\u1780\u17a5\u17a1\u17bc\u179c\u1793\u17c1\u17c7\u1781\u17bb\u179f\u1785\u17d2\u1794\u17b6\u1794\u17cb\u1780\u17d2\u179a\u17c4\u1798\u1780\u17d2\u179a\u1798\u1786\u17d2\u1793\u17b6\u17c6 2023 \u17d4.<\/p>\n<p>\u17a2\u1793\u17d2\u1791\u17b6\u1780\u17cb\u1793\u17c3\u1780\u17b6\u179a\u1787\u1784\u17cb\u179c\u17c9\u17bb\u179b\u179f\u1798\u17d2\u179b\u17b6\u1794\u17cb\u1780\u17b6\u179a\u178a\u17c6\u17a1\u17be\u1784\u1790\u17b6\u1798\u1796\u179b\u1796\u1793\u17d2\u179b\u17ba\u1796\u17d2\u179a\u17c7\u17a2\u17b6\u1791\u17b7\u178f\u17d2\u1799\u1785\u17d2\u179a\u17be\u1793\u1787\u17b6\u1784\u1780\u17c6\u17a0\u17bb\u179f\u179a\u1785\u1793\u17b6\u1795\u17d2\u179f\u17c1\u1784\u1791\u17c0\u178f\u17d4 \u179c\u17b6\u1798\u17b7\u1793\u1794\u1784\u17d2\u17a0\u17b6\u1789\u1781\u17d2\u179b\u17bd\u1793\u1793\u17c5\u1790\u17d2\u1784\u17c3\u178a\u17c6\u1794\u17bc\u1784\u1791\u17c1\u17d4 \u179c\u17b6\u1794\u1784\u17d2\u17a0\u17b6\u1789\u1781\u17d2\u179b\u17bd\u1793\u1793\u17c5\u1796\u17d2\u179a\u17b9\u1780\u178f\u17d2\u179a\u1787\u17b6\u1780\u17cb\u178a\u17c6\u1794\u17bc\u1784 \u1793\u17c5\u1796\u17c1\u179b\u178a\u17c2\u179b inverter \u1781\u17bb\u179f\u1794\u17d2\u179a\u1780\u17d2\u179a\u178f\u17b8 \u17a0\u17be\u1799\u17a2\u17d2\u1793\u1780\u178a\u17c6\u17a1\u17be\u1784\u178f\u17d2\u179a\u17bc\u179c\u1794\u17b6\u1793\u17a0\u17c5\u178f\u17d2\u179a\u17a1\u1794\u17cb\u1798\u1780\u179c\u17b7\u1789\u178a\u17be\u1798\u17d2\u1794\u17b8 \u201c\u1787\u17bd\u179f\u1787\u17bb\u179b\u201d \u1794\u1789\u17d2\u17a0\u17b6\u178a\u17c2\u179b\u1798\u17b7\u1793\u1798\u17c2\u1793\u1787\u17b6\u1781\u17d2\u179f\u17c2\u1797\u17d2\u179b\u17be\u1784 \u2014 \u179c\u17b6\u1787\u17b6\u1782\u178e\u17b7\u178f\u179c\u17b7\u1791\u17d2\u1799\u17b6\u17d4.<\/p>\n<h2>\u179f\u17c4\u179b\u17c6\u178a\u17b6\u1794\u17cb\u17d6 \u179b\u17c6\u178a\u17b6\u1794\u17cb\u1793\u17c3\u1794\u17d2\u179a\u178f\u17b7\u1794\u178f\u17d2\u178f\u17b7\u1780\u17b6\u179a\u178a\u17c2\u179b\u1780\u17b6\u179a\u1796\u17b6\u179a 90% \u1793\u17c3\u1782\u17d2\u179a\u17c4\u17c7\u1790\u17d2\u1793\u17b6\u1780\u17cb<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-19739\" src=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Sequence-Lock-Safe-Combiner-Box-Wiring.webp\" alt=\"The Sequence Lock: Safe Combiner Box Wiring.\" width=\"800\" height=\"800\" srcset=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Sequence-Lock-Safe-Combiner-Box-Wiring.webp 800w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Sequence-Lock-Safe-Combiner-Box-Wiring-300x300.webp 300w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Sequence-Lock-Safe-Combiner-Box-Wiring-150x150.webp 150w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Sequence-Lock-Safe-Combiner-Box-Wiring-768x768.webp 768w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Sequence-Lock-Safe-Combiner-Box-Wiring-12x12.webp 12w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Sequence-Lock-Safe-Combiner-Box-Wiring-600x600.webp 600w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Sequence-Lock-Safe-Combiner-Box-Wiring-100x100.webp 100w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>\u17a2\u17d2\u1793\u1780\u17a2\u17b6\u1785\u1798\u17b6\u1793 PPE \u178f\u17d2\u179a\u17b9\u1798\u178f\u17d2\u179a\u17bc\u179c\u17d4 \u17a2\u17d2\u1793\u1780\u17a2\u17b6\u1785\u1782\u178e\u1793\u17b6\u179c\u17c9\u17bb\u179b\u1794\u17b6\u1793\u1799\u17c9\u17b6\u1784\u179b\u17d2\u17a2\u17a5\u178f\u1781\u17d2\u1785\u17c4\u17c7\u17d4 \u17a2\u17d2\u1793\u1780\u17a2\u17b6\u1785\u1794\u1789\u17d2\u1787\u17b6\u1780\u17cb\u179f\u1798\u17b6\u179f\u1792\u17b6\u178f\u17bb\u179b\u17d2\u17a2\u1794\u17c6\u1795\u17bb\u178f\u17d4 \u1794\u17c9\u17bb\u1793\u17d2\u178f\u17c2\u1794\u17d2\u179a\u179f\u17b7\u1793\u1794\u17be\u17a2\u17d2\u1793\u1780\u1781\u17d2\u179f\u17c2\u1794\u17d2\u179a\u17a2\u1794\u17cb\u1794\u1789\u17d2\u1785\u17bc\u179b\u1782\u17d2\u1793\u17b6\u178f\u17b6\u1798\u179b\u17c6\u178a\u17b6\u1794\u17cb\u1781\u17bb\u179f \u17a2\u17d2\u1793\u1780\u1793\u17c5\u178f\u17c2\u1793\u17b9\u1784\u1794\u1784\u17d2\u1780\u17be\u178f\u1782\u17d2\u179a\u17c4\u17c7\u1790\u17d2\u1793\u17b6\u1780\u17cb\u1795\u17d2\u1780\u17b6\u1797\u17d2\u179b\u17be\u1784\u1795\u17d2\u1791\u17b6\u179b\u17cb\u17d4.<\/p>\n<p><strong>\u1793\u17c1\u17c7\u1782\u17ba\u1787\u17b6\u179f\u17c4\u179b\u17c6\u178a\u17b6\u1794\u17cb\u17d4.<\/strong> \u179c\u17b6\u1782\u17ba\u1787\u17b6\u179b\u17c6\u178a\u17b6\u1794\u17cb\u1793\u17c3\u1794\u17d2\u179a\u178f\u17b7\u1794\u178f\u17d2\u178f\u17b7\u1780\u17b6\u179a\u178a\u17c2\u179b\u179a\u1780\u17d2\u179f\u17b6\u17a2\u17d2\u1793\u1780\u17b1\u17d2\u1799\u1798\u17b6\u1793\u179f\u17bb\u179c\u178f\u17d2\u1790\u17b7\u1797\u17b6\u1796\u17d4 \u17a0\u17be\u1799 90% \u1793\u17c3\u17a2\u17d2\u1793\u1780\u178a\u17c6\u17a1\u17be\u1784\u1792\u17d2\u179c\u17be\u179c\u17b6\u1781\u17bb\u179f\u17d4.<\/p>\n<p>\u1793\u17c1\u17c7\u1782\u17ba\u1787\u17b6\u179b\u17c6\u178a\u17b6\u1794\u17cb\u1781\u17bb\u179f (\u179b\u17c6\u178a\u17b6\u1794\u17cb\u178a\u17c2\u179b\u1794\u1784\u17d2\u1780\u17be\u178f\u1780\u17b6\u179a\u1797\u17d2\u1789\u17b6\u1780\u17cb\u1795\u17d2\u17a2\u17be\u179b\u1793\u17c3\u1795\u17d2\u1780\u17b6\u1797\u17d2\u179b\u17be\u1784)\u17d6<\/p>\n<ol>\n<li>\u178a\u17b6\u1780\u17cb\u1781\u17d2\u179f\u17c2 PV \u1791\u17b6\u17c6\u1784\u17a2\u179f\u17cb\u1793\u17c5\u179b\u17be busbars<\/li>\n<li>\u178a\u17c6\u17a1\u17be\u1784\u17a0\u17d2\u179c\u17bb\u1799\u179f\u17ca\u17b8\u1794\u1781\u178e\u17c8\u1796\u17c1\u179b\u178a\u17c2\u179b\u1781\u17d2\u179f\u17c2\u1793\u17c5\u1795\u17d2\u1791\u17b6\u179b\u17cb<\/li>\n<li>\u1794\u17b7\u1791\u1795\u17d2\u178f\u17b6\u1785\u17cb\u1785\u17bb\u1784\u1780\u17d2\u179a\u17c4\u1799<\/li>\n<\/ol>\n<p>\u17a0\u17c1\u178f\u17bb\u17a2\u17d2\u179c\u17b8\u1794\u17b6\u1793\u1787\u17b6\u179c\u17b6\u1798\u17b7\u1793\u178f\u17d2\u179a\u17b9\u1798\u178f\u17d2\u179a\u17bc\u179c? \u1796\u17b8\u1796\u17d2\u179a\u17c4\u17c7\u1793\u17c5\u1796\u17c1\u179b\u178a\u17c2\u179b\u17a2\u17d2\u1793\u1780\u1794\u17c9\u17c7\u17a0\u17d2\u179c\u17bb\u1799\u179f\u17ca\u17b8\u1794\u1793\u17c4\u17c7\u1791\u17c5 busbar \u1795\u17d2\u1791\u17b6\u179b\u17cb \u17a2\u17d2\u1793\u1780\u1780\u17c6\u1796\u17bb\u1784\u1794\u1784\u17d2\u1780\u17be\u178f\u1780\u17b6\u179a\u178f\u1797\u17d2\u1787\u17b6\u1794\u17cb\u1780\u17d2\u178f\u17c5\u1780\u17d2\u179a\u17c4\u1798\u1794\u1793\u17d2\u1791\u17bb\u1780\u17d4 \u17a7\u1794\u1780\u179a\u178e\u17cd\u178a\u17b6\u1780\u17cb\u17a0\u17d2\u179c\u17bb\u1799\u179f\u17ca\u17b8\u1794\u1798\u17b7\u1793\u178f\u17d2\u179a\u17bc\u179c\u1794\u17b6\u1793\u179a\u1785\u1793\u17b6\u17a1\u17be\u1784\u178a\u17be\u1798\u17d2\u1794\u17b8\u1792\u17d2\u179c\u17be\u1780\u17b6\u179a\u178f\u1797\u17d2\u1787\u17b6\u1794\u17cb\u1780\u17d2\u178f\u17c5\u1793\u17c4\u17c7\u1791\u17c1\u17d4 \u1795\u17d2\u1780\u17b6\u1797\u17d2\u179b\u17be\u1784\u17a2\u17b6\u1785\u179b\u17c4\u178f\u1796\u17b8\u1785\u17bb\u1784\u17a0\u17d2\u179c\u17bb\u1799\u179f\u17ca\u17b8\u1794\u1791\u17c5 busbar \u1798\u17bb\u1793\u1796\u17c1\u179b\u1781\u17d2\u179f\u17c2\u179f\u17d2\u179a\u17a1\u17b6\u1799\u1785\u17bc\u179b\u179a\u17bd\u1798\u17d4 \u17a2\u17d2\u1793\u1780\u1791\u17be\u1794\u178f\u17c2\u1794\u1784\u17d2\u1780\u17be\u178f\u1780\u17c6\u17a0\u17bb\u179f\u1795\u17d2\u1780\u17b6\u1797\u17d2\u179b\u17be\u1784\u179f\u17ca\u17c1\u179a\u17b8\u1793\u17c5 400Vdc \u17d4.<\/p>\n<p>\u1793\u17c1\u17c7\u1782\u17ba\u1787\u17b6\u179f\u17c4\u179b\u17c6\u178a\u17b6\u1794\u17cb \u2014 \u179c\u17b7\u1792\u17b8\u178f\u17d2\u179a\u17b9\u1798\u178f\u17d2\u179a\u17bc\u179c\u17d6<\/p>\n<ol>\n<li><strong>Lockout\/Tagout\u17d6<\/strong> \u1795\u17d2\u1791\u17c0\u1784\u1795\u17d2\u1791\u17b6\u178f\u17cb\u1790\u17b6\u1781\u17d2\u179f\u17c2\u1791\u17b6\u17c6\u1784\u17a2\u179f\u17cb\u178f\u17d2\u179a\u17bc\u179c\u1794\u17b6\u1793\u1795\u17d2\u178f\u17b6\u1785\u17cb\u1793\u17c5\u17a7\u1794\u1780\u179a\u178e\u17cd\u1795\u17d2\u178f\u17b6\u1785\u17cb\u1780\u1798\u17d2\u179a\u17b7\u178f\u1794\u1793\u17d2\u1791\u17c7 \u17ac\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17b7\u1791\u1799\u17c9\u17b6\u1784\u1786\u17b6\u1794\u17cb\u179a\u17a0\u17d0\u179f\u1780\u1798\u17d2\u179a\u17b7\u178f\u1798\u17c9\u17bc\u178c\u17bb\u179b\u17d4 \u1794\u17d2\u179a\u17be\u1798\u17c9\u17c2\u178f\u17d2\u179a\u178a\u17c2\u179b\u1794\u17b6\u1793\u1780\u17d2\u179a\u17b7\u178f\u178f\u17b6\u1798\u1781\u17d2\u1793\u17b6\u178f\u178a\u17be\u1798\u17d2\u1794\u17b8\u1794\u1789\u17d2\u1787\u17b6\u1780\u17cb\u179c\u17c9\u17bb\u179b\u179f\u17bc\u1793\u17d2\u1799\u1793\u17c5\u1794\u17d2\u179a\u17a2\u1794\u17cb\u1794\u1789\u17d2\u1785\u17bc\u179b\u1782\u17d2\u1793\u17b6\u17d4.<\/li>\n<li><strong>\u178a\u17b6\u1780\u17cb\u1781\u17d2\u179f\u17c2\u17a2\u179c\u17b7\u1787\u17d2\u1787\u1798\u17b6\u1793\u17d6<\/strong> \u1797\u17d2\u1787\u17b6\u1794\u17cb\u1781\u17d2\u179f\u17c2\u17a2\u179c\u17b7\u1787\u17d2\u1787\u1798\u17b6\u1793 PV \u1791\u17b6\u17c6\u1784\u17a2\u179f\u17cb\u1791\u17c5 busbar \u17a2\u179c\u17b7\u1787\u17d2\u1787\u1798\u17b6\u1793\u17d4 \u1793\u17c1\u17c7\u1782\u17ba\u1787\u17b6\u178a\u17b8\u1799\u17c4\u1784\u179a\u1794\u179f\u17cb\u17a2\u17d2\u1793\u1780\u17d4 \u1792\u17d2\u179c\u17be\u1794\u17c2\u1794\u1793\u17c1\u17c7\u1787\u17b6\u1798\u17bb\u1793 \u1781\u178e\u17c8\u1796\u17c1\u179b\u178a\u17c2\u179b\u17a2\u17d2\u179c\u17b8\u17d7\u1791\u17b6\u17c6\u1784\u17a2\u179f\u17cb\u179f\u17d2\u179b\u17b6\u1794\u17cb\u17d4.<\/li>\n<li><strong>\u178a\u17c6\u17a1\u17be\u1784\u17a0\u17d2\u179c\u17bb\u1799\u179f\u17ca\u17b8\u1794\u17d6<\/strong> \u1794\u1789\u17d2\u1785\u17bc\u179b\u17a0\u17d2\u179c\u17bb\u1799\u179f\u17ca\u17b8\u1794 DC \u1791\u17b6\u17c6\u1784\u17a2\u179f\u17cb\u1791\u17c5\u1780\u17d2\u1793\u17bb\u1784\u17a7\u1794\u1780\u179a\u178e\u17cd\u178a\u17b6\u1780\u17cb\u179a\u1794\u179f\u17cb\u179c\u17b6 \u1794\u17c9\u17bb\u1793\u17d2\u178f\u17c2\u1791\u17bb\u1780\u179c\u17b6\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1791\u17b8\u178f\u17b6\u17c6\u1784 \u201c\u1794\u17be\u1780\u201d \u17d4 \u1780\u17bb\u17c6\u1794\u17b7\u1791\u179c\u17b6\u1793\u17c5\u17a1\u17be\u1799\u1791\u17c1\u17d4.<\/li>\n<li><strong>\u178a\u17b6\u1780\u17cb\u1781\u17d2\u179f\u17c2\u179c\u17b7\u1787\u17d2\u1787\u1798\u17b6\u1793\u17d6<\/strong> \u1797\u17d2\u1787\u17b6\u1794\u17cb\u1781\u17d2\u179f\u17c2\u179c\u17b7\u1787\u17d2\u1787\u1798\u17b6\u1793 PV \u1791\u17b6\u17c6\u1784\u17a2\u179f\u17cb\u1791\u17c5\u1795\u17d2\u1793\u17c2\u1780\u1781\u17b6\u1784\u1781\u17d2\u179f\u17c2\u1793\u17c3\u17a7\u1794\u1780\u179a\u178e\u17cd\u178a\u17b6\u1780\u17cb\u17a0\u17d2\u179c\u17bb\u1799\u179f\u17ca\u17b8\u1794\u17d4 \u1787\u17b6\u1790\u17d2\u1798\u17b8\u1798\u17d2\u178f\u1784\u1791\u17c0\u178f \u17a2\u17d2\u179c\u17b8\u17d7\u1791\u17b6\u17c6\u1784\u17a2\u179f\u17cb\u179f\u17d2\u179b\u17b6\u1794\u17cb\u17d4.<\/li>\n<li><strong>\u1794\u17b7\u1791\u1795\u17d2\u178f\u17b6\u1785\u17cb\u17d6<\/strong> \u1794\u17b7\u1791\u17a7\u1794\u1780\u179a\u178e\u17cd\u1795\u17d2\u178f\u17b6\u1785\u17cb\u1794\u17d2\u179a\u17a2\u1794\u17cb\u1794\u1789\u17d2\u1785\u17bc\u179b\u1782\u17d2\u1793\u17b6 (\u1794\u17d2\u179a\u179f\u17b7\u1793\u1794\u17be\u1794\u17c6\u1796\u17b6\u1780\u17cb) \u178a\u17be\u1798\u17d2\u1794\u17b8\u1794\u1789\u17d2\u1785\u17c1\u1789\u1790\u17b6\u1798\u1796\u179b busbars \u17d4.<\/li>\n<li><strong>\u1794\u1789\u17d2\u1785\u17c1\u1789\u1790\u17b6\u1798\u1796\u179b\u1781\u17d2\u179f\u17c2\u1798\u17d2\u178f\u1784\u1798\u17bd\u1799\u17d7\u17d6<\/strong> \u1794\u17b7\u1791\u17a7\u1794\u1780\u179a\u178e\u17cd\u178a\u17b6\u1780\u17cb\u17a0\u17d2\u179c\u17bb\u1799\u179f\u17ca\u17b8\u1794\u1793\u17b8\u1798\u17bd\u1799\u17d7\u178a\u17c4\u1799\u17a1\u17c2\u1780\u1796\u17b8\u1782\u17d2\u1793\u17b6 \u178a\u17c4\u1799\u1795\u17d2\u1791\u17c0\u1784\u1795\u17d2\u1791\u17b6\u178f\u17cb\u179c\u17c9\u17bb\u179b \u1793\u17b7\u1784\u1785\u179a\u1793\u17d2\u178f\u1793\u17c5\u179b\u17be\u1798\u17c9\u17c2\u178f\u17d2\u179a\u179a\u1794\u179f\u17cb\u17a2\u17d2\u1793\u1780 \u1798\u17bb\u1793\u1796\u17c1\u179b\u1795\u17d2\u179b\u17b6\u179f\u17cb\u1791\u17b8\u1791\u17c5\u1794\u1793\u17d2\u1791\u17b6\u1794\u17cb\u17d4 \u1793\u17c1\u17c7\u1789\u17c2\u1780\u1780\u17c6\u17a0\u17bb\u179f\u178e\u17b6\u1798\u17bd\u1799\u1791\u17c5\u1781\u17d2\u179f\u17c2\u178f\u17c2\u1798\u17bd\u1799\u17d4.<\/li>\n<\/ol>\n<p><em>\u179f\u17c4\u179b\u17c6\u178a\u17b6\u1794\u17cb\u1782\u17ba\u179f\u17b6\u1798\u1789\u17d2\u1789\u17d6 \u1780\u17bb\u17c6\u1792\u17d2\u179c\u17be\u1780\u17b6\u179a\u178f\u1797\u17d2\u1787\u17b6\u1794\u17cb\u178a\u17c2\u179b\u17a2\u17b6\u1785\u1795\u17d2\u1791\u17b6\u179b\u17cb\u17d4 \u1780\u17bb\u17c6\u1795\u17d2\u178f\u17b6\u1785\u17cb\u1780\u17b6\u179a\u178f\u1797\u17d2\u1787\u17b6\u1794\u17cb\u178a\u17c2\u179b\u1795\u17d2\u1791\u17b6\u179b\u17cb\u17d4 \u178f\u17c2\u1784\u178f\u17c2\u1795\u17d2\u1791\u17c0\u1784\u1795\u17d2\u1791\u17b6\u178f\u17cb\u1790\u17b6\u1798\u1796\u179b\u179f\u17bc\u1793\u17d2\u1799 \u1798\u17bb\u1793\u1796\u17c1\u179b\u17a2\u17d2\u1793\u1780\u1794\u17c9\u17c7\u17a2\u17d2\u179c\u17b8\u1791\u17b6\u17c6\u1784\u17a2\u179f\u17cb\u17d4.<\/em><\/p>\n<p>NEC 690.16 \u178f\u1798\u17d2\u179a\u17bc\u179c\u17b1\u17d2\u1799\u1798\u17b6\u1793\u1798\u1792\u17d2\u1799\u17c4\u1794\u17b6\u1799\u1795\u17d2\u178f\u17b6\u1785\u17cb\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1781\u17d2\u179f\u17c2\u1793\u17b8\u1798\u17bd\u1799\u17d7 \u1794\u17c9\u17bb\u1793\u17d2\u178f\u17c2\u179c\u17b6\u1798\u17b7\u1793\u1794\u17d2\u179a\u17b6\u1794\u17cb\u17a2\u17d2\u1793\u1780\u1796\u17b8\u179a\u1794\u17c0\u1794\u178f\u1798\u17d2\u179a\u17c0\u1794\u179b\u17c6\u178a\u17b6\u1794\u17cb\u1780\u17b6\u179a\u1784\u17b6\u179a\u179a\u1794\u179f\u17cb\u17a2\u17d2\u1793\u1780\u1791\u17c1\u17d4 \u1793\u17c4\u17c7\u17a0\u17be\u1799\u1787\u17b6\u17a2\u17d2\u179c\u17b8\u178a\u17c2\u179b\u1794\u17c2\u1784\u1785\u17c2\u1780\u17a2\u17d2\u1793\u1780\u178a\u17c6\u17a1\u17be\u1784\u17a2\u17b6\u1787\u17b8\u1796\u1796\u17b8\u17a2\u17d2\u1793\u1780\u178a\u17c2\u179b\u1794\u1784\u17d2\u17a0\u17b6\u1789\u1781\u17d2\u179b\u17bd\u1793\u1793\u17c5\u179b\u17be\u179a\u1794\u17b6\u1799\u1780\u17b6\u179a\u178e\u17cd\u17a7\u1794\u17d2\u1794\u178f\u17d2\u178f\u17b7\u17a0\u17c1\u178f\u17bb\u17d4.<\/p>\n<h2>\u179c\u17b7\u1792\u17b8\u179f\u17b6\u179f\u17d2\u178f\u17d2\u179a 4 \u1787\u17c6\u17a0\u17b6\u1793\u178a\u17be\u1798\u17d2\u1794\u17b8\u1781\u17d2\u179f\u17c2\u1794\u1793\u17d2\u1791\u17c7\u179f\u17bc\u17a1\u17b6\u1785\u17bc\u179b\u1791\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1794\u17d2\u179a\u17a2\u1794\u17cb\u1794\u1789\u17d2\u1785\u17bc\u179b\u1782\u17d2\u1793\u17b6\u178a\u17c4\u1799\u179f\u17bb\u179c\u178f\u17d2\u1790\u17b7\u1797\u17b6\u1796<\/h2>\n<p>\u17a2\u17d2\u1793\u1780\u1798\u17b6\u1793\u1791\u17d2\u179a\u17b9\u179f\u17d2\u178f\u17b8\u17d4 \u17a5\u17a1\u17bc\u179c\u1793\u17c1\u17c7 \u1793\u17c1\u17c7\u1782\u17ba\u1787\u17b6\u179c\u17b7\u1792\u17b8\u179f\u17b6\u179f\u17d2\u178f\u17d2\u179a\u178a\u17c2\u179b\u1794\u17b6\u1793\u179f\u17b6\u1780\u179b\u17d2\u1794\u1784\u179b\u17be\u1791\u17b8\u179b\u17b6\u1793\u178a\u17c2\u179b\u179a\u1780\u17d2\u179f\u17b6\u17a2\u17d2\u1793\u1780\u17b1\u17d2\u1799\u1798\u17b6\u1793\u179f\u17bb\u179c\u178f\u17d2\u1790\u17b7\u1797\u17b6\u1796 \u1793\u17b7\u1784\u179a\u1780\u17d2\u179f\u17b6\u17a2\u1792\u17b7\u1780\u17b6\u179a\u179f\u1794\u17d2\u1794\u17b6\u1799\u1785\u17b7\u178f\u17d2\u178f\u17d4.<\/p>\n<h3>\u1787\u17c6\u17a0\u17b6\u1793\u1791\u17b8 1\u17d6 \u1782\u178e\u1793\u17b6 \u1793\u17b7\u1784\u1795\u17d2\u1791\u17c0\u1784\u1795\u17d2\u1791\u17b6\u178f\u17cb\u179c\u17c9\u17bb\u179b\u1781\u17d2\u179f\u17c2 (\u1780\u17bb\u17c6\u1791\u17bb\u1780\u1785\u17b7\u178f\u17d2\u178f\u179f\u17d2\u179b\u17b6\u1780)<\/h3>\n<p><strong>\u1793\u17b7\u1780\u17d2\u1781\u17c1\u1794\u1794\u1791\u1781\u17d2\u1793\u17b6\u178f\u178f\u17bc\u1785\u17d6<\/strong> \u179f\u17d2\u179b\u17b6\u1780 Voc \u1782\u17ba\u1787\u17b6\u1785\u17c6\u178e\u17bb\u1785\u1785\u17b6\u1794\u17cb\u1795\u17d2\u178f\u17be\u1798 \u1798\u17b7\u1793\u1798\u17c2\u1793\u1787\u17b6\u178f\u1798\u17d2\u179b\u17c3\u179a\u1785\u1793\u17b6\u1793\u17c4\u17c7\u1791\u17c1\u17d4 \u1780\u17b6\u179a\u1780\u17c2\u178f\u1798\u17d2\u179a\u17bc\u179c\u179f\u17b8\u178f\u17bb\u178e\u17d2\u17a0\u1797\u17b6\u1796\u178f\u17d2\u179a\u1787\u17b6\u1780\u17cb \u1793\u17b7\u1784\u1780\u17b6\u179a\u1795\u17d2\u1791\u17c0\u1784\u1795\u17d2\u1791\u17b6\u178f\u17cb\u1780\u17b6\u179a\u179c\u17b6\u179f\u17cb\u179c\u17c2\u1784 \u1782\u17ba\u1785\u17b6\u17c6\u1794\u17b6\u1785\u17cb\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1780\u17b6\u179a\u17a2\u1793\u17bb\u179b\u17c4\u1798\u178f\u17b6\u1798 NEC 2023 \u17d4.<\/p>\n<p>\u1785\u17b6\u1794\u17cb\u1799\u1780\u179f\u1793\u17d2\u179b\u17b9\u1780\u1791\u17b7\u1793\u17d2\u1793\u1793\u17d0\u1799\u1794\u1793\u17d2\u1791\u17c7\u17d4 \u179f\u17d2\u179c\u17c2\u1784\u179a\u1780 Voc \u1793\u17c5 STC (\u179b\u1780\u17d2\u1781\u1781\u178e\u17d2\u178c\u1792\u17d2\u179c\u17be\u178f\u17c1\u179f\u17d2\u178f\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a) \u17d4 \u17a5\u17a1\u17bc\u179c\u1793\u17c1\u17c7\u1792\u17d2\u179c\u17be\u1780\u17b6\u179a\u1782\u178e\u1793\u17b6\u1796\u17b7\u178f\u1794\u17d2\u179a\u17b6\u1780\u178a\u17d6<\/p>\n<p><code>Voc(\u179a\u1785\u1793\u17b6) = Voc(STC) \u00d7 \u1785\u17c6\u1793\u17bd\u1793\u1794\u1793\u17d2\u1791\u17c7 \u00d7 1.25 (\u1780\u178f\u17d2\u178f\u17b6\u179f\u17b8\u178f\u17bb\u178e\u17d2\u17a0\u1797\u17b6\u1796\u178f\u17d2\u179a\u1787\u17b6\u1780\u17cb NEC 690.7)<\/code><\/p>\n<p>\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1794\u1793\u17d2\u1791\u17c7 40Voc \u179a\u1794\u179f\u17cb\u17a2\u17d2\u1793\u1780\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1781\u17d2\u179f\u17c2\u1793\u17c3 8: 40 \u00d7 8 \u00d7 1.25 = <strong>\u179c\u17c9\u17bb\u179b\u179a\u1785\u1793\u17b6 400V<\/strong>.<\/p>\n<p>\u17a5\u17a1\u17bc\u179c\u1793\u17c1\u17c7\u1795\u17d2\u1791\u17c0\u1784\u1795\u17d2\u1791\u17b6\u178f\u17cb\u179c\u17b6\u17d4 \u1793\u17c5\u1796\u17d2\u179a\u17b9\u1780\u178f\u17d2\u179a\u1787\u17b6\u1780\u17cb (&lt;40\u00b0F) \u1795\u17d2\u178f\u17b6\u1785\u17cb\u1781\u17d2\u179f\u17c2 \u17a0\u17be\u1799\u179c\u17b6\u179f\u17cb Voc \u1787\u17b6\u1798\u17bd\u1799 Fluke 393 FC clamp meter (\u179c\u17b6\u1799\u178f\u1798\u17d2\u179b\u17c3\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb 1500Vdc) \u17d4 \u17a2\u17d2\u1793\u1780\u1782\u17bd\u179a\u178f\u17c2\u1783\u17be\u1789 380-420V \u17d4 \u1794\u17d2\u179a\u179f\u17b7\u1793\u1794\u17be\u17a2\u17d2\u1793\u1780\u1783\u17be\u1789 450V \u1781\u17d2\u179f\u17c2\u179a\u1794\u179f\u17cb\u17a2\u17d2\u1793\u1780\u179c\u17c2\u1784\u1796\u17c1\u1780\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u17a7\u1794\u1780\u179a\u178e\u17cd\u179a\u1794\u179f\u17cb\u17a2\u17d2\u1793\u1780\u17d4 \u179a\u1785\u1793\u17b6\u17a1\u17be\u1784\u179c\u17b7\u1789\u17a5\u17a1\u17bc\u179c\u1793\u17c1\u17c7 \u1798\u17b7\u1793\u1798\u17c2\u1793\u1794\u1793\u17d2\u1791\u17b6\u1794\u17cb\u1796\u17b8\u1795\u17d2\u1780\u17b6\u1797\u17d2\u179b\u17be\u1784\u1793\u17c4\u17c7\u1791\u17c1\u17d4.<\/p>\n<p><strong>\u1782\u17b6\u17c6\u1791\u17d2\u179a\u1791\u17b7\u1796\u17d2\u179c\u17d6<\/strong> \u1780\u178f\u17d2\u178f\u17b6 NEC 2023 1.25 \u1782\u17ba\u1787\u17b6\u17a2\u1794\u17d2\u1794\u1794\u179a\u1798\u17b6\u17d4 \u1793\u17c5\u1780\u17b6\u178e\u17b6\u178a\u17b6 \u17ac\u179a\u178a\u17d2\u178b\u1797\u17b6\u1782\u1781\u17b6\u1784\u1787\u17be\u1784 \u1794\u17d2\u179a\u17be 1.35 \u17d4 \u17a2\u1792\u17b7\u1780\u17b6\u179a\u1793\u17b9\u1784\u1796\u17b7\u1793\u17b7\u178f\u17d2\u1799\u17d4 \u1780\u17b6\u179a\u1792\u17b6\u1793\u17b6\u179a\u17c9\u17b6\u1794\u17cb\u179a\u1784\u179a\u1794\u179f\u17cb\u17a2\u17d2\u1793\u1780\u1780\u17cf\u1793\u17b9\u1784\u1792\u17d2\u179c\u17be\u1795\u1784\u178a\u17c2\u179a \u1794\u1793\u17d2\u1791\u17b6\u1794\u17cb\u1796\u17b8\u1780\u17b6\u179a\u1791\u17b6\u1798\u1791\u17b6\u179a\u17d4.<\/p>\n<h3>\u1787\u17c6\u17a0\u17b6\u1793\u1791\u17b8 2\u17d6 \u1787\u17d2\u179a\u17be\u179f\u179a\u17be\u179f\u179f\u1798\u17b6\u179f\u1792\u17b6\u178f\u17bb\u178a\u17c2\u179b\u1794\u17b6\u1793\u179c\u17b6\u1799\u178f\u1798\u17d2\u179b\u17c3\u178f\u17d2\u179a\u17b9\u1798\u178f\u17d2\u179a\u17bc\u179c (\u1780\u17b6\u179a\u1780\u17bb\u17a0\u1780 250Vdc)<\/h3>\n<p><strong>\u1793\u17b7\u1780\u17d2\u1781\u17c1\u1794\u1794\u1791\u1781\u17d2\u1793\u17b6\u178f\u178f\u17bc\u1785\u17d6<\/strong> \u1780\u17b6\u179a\u179c\u17b6\u1799\u178f\u1798\u17d2\u179b\u17c3\u179c\u17c9\u17bb\u179b\u179f\u1798\u17b6\u179f\u1792\u17b6\u178f\u17bb\u178f\u17d2\u179a\u17bc\u179c\u178f\u17c2\u179b\u17be\u179f\u1796\u17b8 Voc \u179a\u1785\u1793\u17b6\u179a\u1794\u179f\u17cb\u17a2\u17d2\u1793\u1780\u1799\u17c9\u17b6\u1784\u17a0\u17c4\u1785\u178e\u17b6\u179f\u17cb 20% \u17a0\u17be\u1799\u1780\u17b6\u179a\u179c\u17b6\u1799\u178f\u1798\u17d2\u179b\u17c3 DC \u1798\u17b7\u1793\u17a2\u17b6\u1785\u1795\u17d2\u179b\u17b6\u179f\u17cb\u1794\u17d2\u178f\u17bc\u179a\u1794\u17b6\u1793\u1787\u17b6\u1798\u17bd\u1799\u1780\u17b6\u179a\u179c\u17b6\u1799\u178f\u1798\u17d2\u179b\u17c3 AC \u1791\u17c1\u17d4.<\/p>\n<p>\u179c\u17c9\u17bb\u179b\u179a\u1785\u1793\u17b6\u179a\u1794\u179f\u17cb\u17a2\u17d2\u1793\u1780\u1782\u17ba 400Vdc \u17d4 \u1780\u17b6\u179a\u179c\u17b6\u1799\u178f\u1798\u17d2\u179b\u17c3\u17a2\u1794\u17d2\u1794\u1794\u179a\u1798\u17b6\u179f\u1798\u17b6\u179f\u1792\u17b6\u178f\u17bb\u179a\u1794\u179f\u17cb\u17a2\u17d2\u1793\u1780\u17d6<\/p>\n<ul>\n<li><strong>\u17a7\u1794\u1780\u179a\u178e\u17cd\u178a\u17b6\u1780\u17cb\u17a0\u17d2\u179c\u17bb\u1799\u179f\u17ca\u17b8\u1794\u17d6<\/strong> \u1799\u17c9\u17b6\u1784\u178f\u17b7\u1785\u1794\u17c6\u1795\u17bb\u178f 600Vdc\u17d4 Bussmann \u1793\u17b7\u1784 Littlefuse \u1795\u179b\u17b7\u178f\u17a7\u1794\u1780\u179a\u178e\u17cd\u1785\u17b6\u1794\u17cb\u17a0\u17d2\u179c\u17bb\u1799\u17a0\u17d2\u179f\u17ca\u17b8\u1794\u178a\u17c2\u179b\u1794\u17b6\u1793\u179c\u17b6\u1799\u178f\u1798\u17d2\u179b\u17c3\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1790\u17b6\u1798\u1796\u179b\u1796\u1793\u17d2\u179b\u17ba\u1796\u17d2\u179a\u17c7\u17a2\u17b6\u1791\u17b7\u178f\u17d2\u1799\u178a\u17c2\u179b\u17a2\u17b6\u1785\u1780\u17b6\u178f\u17cb\u1795\u17d2\u178f\u17b6\u1785\u17cb\u1785\u179a\u1793\u17d2\u178f 10kA \u1793\u17c5 600Vdc\u17d4.<\/li>\n<li><strong>Fuse\u17d6<\/strong> 600Vdc, \u1794\u17d2\u179a\u1797\u17c1\u1791\u1796\u1793\u17d2\u1799\u17b6\u1796\u17c1\u179b\u17d4 \u17a0\u17d2\u179c\u17bb\u1799\u17a0\u17d2\u179f\u17ca\u17b8\u1794\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a 250V \u1793\u17b9\u1784\u1795\u17d2\u1791\u17bb\u17c7\u17d4.<\/li>\n<li><strong>\u17a7\u1794\u1780\u179a\u178e\u17cd\u1795\u17d2\u178f\u17b6\u1785\u17cb:<\/strong> 600Vdc, \u1799\u17c9\u17b6\u1784\u178f\u17b7\u1785\u1794\u17c6\u1795\u17bb\u178f 20A\u17d4 \u1796\u17b7\u1793\u17b7\u178f\u17d2\u1799\u1798\u17be\u179b\u1780\u17b6\u179a\u179c\u17b6\u1799\u178f\u1798\u17d2\u179b\u17c3 DC \u1798\u17b7\u1793\u1798\u17c2\u1793\u1780\u17b6\u179a\u179c\u17b6\u1799\u178f\u1798\u17d2\u179b\u17c3 AC \u1791\u17c1\u17d4 \u17a7\u1794\u1780\u179a\u178e\u17cd\u1795\u17d2\u178f\u17b6\u1785\u17cb AC \u201c30A 240V\u201d \u1794\u17d2\u179a\u17a0\u17c2\u179b\u1787\u17b6\u178f\u17d2\u179a\u17b9\u1798\u178f\u17c2 15A 120Vdc \u1794\u17c9\u17bb\u178e\u17d2\u178e\u17c4\u17c7\u17d4.<\/li>\n<li><strong>\u1781\u17d2\u179f\u17c2:<\/strong> \u1781\u17d2\u179f\u17c2 PV (USE-2 \u17ac RHW-2) \u178a\u17c2\u179b\u1794\u17b6\u1793\u179c\u17b6\u1799\u178f\u1798\u17d2\u179b\u17c3\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb 600Vdc\u17d4 \u1781\u17d2\u179f\u17c2 THHN \u1798\u17b7\u1793\u1792\u1793\u17cb\u1793\u17b9\u1784\u1796\u1793\u17d2\u179b\u17ba\u1796\u17d2\u179a\u17c7\u17a2\u17b6\u1791\u17b7\u178f\u17d2\u1799\u1791\u17c1 \u17a0\u17be\u1799\u1793\u17b9\u1784\u1794\u17d2\u179a\u17c1\u17c7\u1780\u17d2\u1793\u17bb\u1784\u179a\u1799\u17c8\u1796\u17c1\u179b 3 \u1786\u17d2\u1793\u17b6\u17c6\u17d4.<\/li>\n<\/ul>\n<p><em>\u1780\u17b6\u179a\u1780\u17bb\u17a0\u1780 250Vdc:<\/em> \u178f\u17be\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u179b\u17c2\u1784\u179f\u17c0\u1782\u17d2\u179c\u17b8\u178a\u17c2\u179b\u1798\u17b6\u1793\u179f\u17d2\u179b\u17b6\u1780 \u201c250Vdc\u201d \u1793\u17c4\u17c7\u17ac? \u179f\u17bc\u1798\u17a2\u17b6\u1793\u17a2\u1780\u17d2\u179f\u179a\u178f\u17bc\u1785\u17d7\u17d4 \u179c\u17b6\u1785\u17c2\u1784\u1790\u17b6 \u201c250Vdc \u17a2\u178f\u17b7\u1794\u179a\u1798\u17b6, \u179c\u178a\u17d2\u178f\u1780\u17b6\u178f\u1796\u17d2\u179c\u1780\u17b7\u1785\u17d2\u1785 80%\u201d \u17d4 \u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1780\u17b6\u179a\u178a\u17c6\u178e\u17be\u179a\u1780\u17b6\u179a\u1790\u17b6\u1798\u1796\u179b\u1796\u1793\u17d2\u179b\u17ba\u1796\u17d2\u179a\u17c7\u17a2\u17b6\u1791\u17b7\u178f\u17d2\u1799\u1787\u17b6\u1794\u1793\u17d2\u178f\u1794\u1793\u17d2\u1791\u17b6\u1794\u17cb (\u179c\u178a\u17d2\u178f\u1780\u17b6\u178f\u1796\u17d2\u179c\u1780\u17b7\u1785\u17d2\u1785 100%) \u17a2\u17d2\u1793\u1780\u178f\u17d2\u179a\u17bc\u179c\u1794\u1793\u17d2\u1790\u1799\u1791\u17c5 200Vdc\u17d4 \u1781\u17d2\u179f\u17c2 400V \u179a\u1794\u179f\u17cb\u17a2\u17d2\u1793\u1780\u1791\u17be\u1794\u178f\u17c2\u1792\u17d2\u179c\u17be\u17b1\u17d2\u1799\u17a7\u1794\u1780\u179a\u178e\u17cd\u1794\u17c6\u179b\u17c2\u1784\u179f\u17c0\u1782\u17d2\u179c\u17b8\u1793\u17c4\u17c7\u1781\u17bb\u179f\u1785\u17d2\u1794\u17b6\u1794\u17cb\u17d4.<\/p>\n<p>\u1794\u17d2\u179a\u17be\u178f\u17c2\u179f\u1798\u17b6\u179f\u1792\u17b6\u178f\u17bb\u178a\u17c2\u179b\u1794\u17b6\u1793\u1785\u17bb\u17c7\u1794\u1789\u17d2\u1787\u17b8\u1791\u17c5 UL 1741 \u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1780\u1798\u17d2\u1798\u179c\u17b7\u1792\u17b8 PV \u1794\u17c9\u17bb\u178e\u17d2\u178e\u17c4\u17c7\u17d4 \u17a2\u1792\u17b7\u1780\u17b6\u179a\u1793\u17b9\u1784\u179a\u1780\u1798\u17be\u179b\u179f\u1789\u17d2\u1789\u17b6\u179f\u1798\u17d2\u1782\u17b6\u179b\u17cb\u1794\u1789\u17d2\u1787\u17b8\u17d4 \u1787\u1798\u17d2\u179a\u17be\u179f\u179a\u1794\u179f\u17cb\u17a2\u17d2\u1793\u1780\u1782\u17ba\u1780\u17b6\u179a\u179a\u17bb\u17c7\u179a\u17be\u179c\u17b6\u1791\u17b6\u17c6\u1784\u17a2\u179f\u17cb\u17d4.<\/p>\n<h3>\u1787\u17c6\u17a0\u17b6\u1793\u1791\u17b8 3: \u17a2\u1793\u17bb\u179c\u178f\u17d2\u178f\u179f\u17c4\u179b\u17c6\u178a\u17b6\u1794\u17cb (\u1780\u17bb\u17c6\u1792\u17d2\u179c\u17be\u1780\u17b6\u179a\u1796\u17c1\u179b\u1798\u17b6\u1793\u1785\u179a\u1793\u17d2\u178f)<\/h3>\n<p><strong>\u1793\u17b7\u1780\u17d2\u1781\u17c1\u1794\u1794\u1791\u1781\u17d2\u1793\u17b6\u178f\u178f\u17bc\u1785\u17d6<\/strong> \u179f\u17c4\u179b\u17c6\u178a\u17b6\u1794\u17cb\u1782\u17ba\u1787\u17b6\u178a\u17c6\u178e\u17be\u179a\u1780\u17b6\u179a\u1787\u17b6\u179b\u17b6\u1799\u179b\u1780\u17d2\u1781\u178e\u17cd\u17a2\u1780\u17d2\u179f\u179a \u1798\u17b7\u1793\u1798\u17c2\u1793\u1787\u17b6\u1794\u1789\u17d2\u1787\u17b8\u178f\u17d2\u179a\u17bd\u178f\u1796\u17b7\u1793\u17b7\u178f\u17d2\u1799\u1795\u17d2\u179b\u17bc\u179c\u1785\u17b7\u178f\u17d2\u178f\u1791\u17c1\u17d4 \u1780\u17b6\u179a\u1781\u17bb\u179f\u1794\u17d2\u179b\u17c2\u1780\u1782\u17d2\u1793\u17b6\u1782\u17ba\u1787\u17b6\u179c\u17b7\u1792\u17b8\u178a\u17c2\u179b\u1792\u17d2\u1793\u17bc\u1780\u17be\u178f\u17a1\u17be\u1784\u17d4.<\/p>\n<p>\u1798\u17bb\u1793\u1796\u17c1\u179b\u17a2\u17d2\u1793\u1780\u1794\u17c9\u17c7\u1794\u17d2\u179a\u17a2\u1794\u17cb\u1794\u1789\u17d2\u1785\u17bc\u179b\u1782\u17d2\u1793\u17b6 \u179f\u17bc\u1798\u179f\u179a\u179f\u17c1\u179a\u179c\u17b6\u1793\u17c5\u179b\u17be\u179f\u17c6\u1794\u17bb\u178f\u17d2\u179a\u1780\u17b6\u179a\u1784\u17b6\u179a:<\/p>\n<ol>\n<li>\u1795\u17d2\u1791\u17c0\u1784\u1795\u17d2\u1791\u17b6\u178f\u17cb\u1780\u17b6\u179a\u1785\u17b6\u1780\u17cb\u179f\u17c4\u1793\u17c5\u17a7\u1794\u1780\u179a\u178e\u17cd\u1795\u17d2\u178f\u17b6\u1785\u17cb\u1794\u1793\u17d2\u1791\u17c7\u17d4 \u179c\u17b6\u179f\u17cb\u179c\u17c9\u17bb\u179b\u179f\u17bc\u1793\u17d2\u1799\u17d4.<\/li>\n<li>\u178f\u1797\u17d2\u1787\u17b6\u1794\u17cb\u1781\u17d2\u179f\u17c2\u17a2\u179c\u17b7\u1787\u17d2\u1787\u1798\u17b6\u1793\u1791\u17b6\u17c6\u1784\u17a2\u179f\u17cb\u1793\u17c5\u179b\u17be\u179a\u1794\u17b6\u179a\u17a2\u179c\u17b7\u1787\u17d2\u1787\u1798\u17b6\u1793\u17d4.<\/li>\n<li>\u178a\u17c6\u17a1\u17be\u1784\u17a0\u17d2\u179c\u17bb\u1799\u17a0\u17d2\u179f\u17ca\u17b8\u1794\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1791\u17b8\u178f\u17b6\u17c6\u1784\u1794\u17be\u1780\u17d4.<\/li>\n<li>\u178f\u1797\u17d2\u1787\u17b6\u1794\u17cb\u1781\u17d2\u179f\u17c2\u179c\u17b7\u1787\u17d2\u1787\u1798\u17b6\u1793\u1791\u17b6\u17c6\u1784\u17a2\u179f\u17cb\u1793\u17c5\u179b\u17be\u179f\u17d2\u1790\u17b6\u1793\u17b8\u1799\u1781\u17d2\u179f\u17c2\u17a0\u17d2\u179c\u17bb\u1799\u17a0\u17d2\u179f\u17ca\u17b8\u1794\u17d4.<\/li>\n<li>\u1794\u17b7\u1791\u17a7\u1794\u1780\u179a\u178e\u17cd\u1795\u17d2\u178f\u17b6\u1785\u17cb\u1798\u17c1\u17d4.<\/li>\n<li>\u1794\u1789\u17d2\u1785\u17bc\u179b\u1790\u17b6\u1798\u1796\u179b\u17a0\u17d2\u179c\u17bb\u1799\u17a0\u17d2\u179f\u17ca\u17b8\u1794\u1798\u17d2\u178f\u1784\u1798\u17bd\u1799\u17d7 \u178a\u17c4\u1799\u1795\u17d2\u1791\u17c0\u1784\u1795\u17d2\u1791\u17b6\u178f\u17cb\u1793\u17b8\u1798\u17bd\u1799\u17d7\u17d4.<\/li>\n<\/ol>\n<p>\u17b1\u17d2\u1799\u1798\u1793\u17bb\u179f\u17d2\u179f\u1791\u17b8\u1796\u17b8\u179a\u1785\u17bb\u17c7\u17a0\u178f\u17d2\u1790\u179b\u17c1\u1781\u17b6\u179b\u17be\u1787\u17c6\u17a0\u17b6\u1793\u1793\u17b8\u1798\u17bd\u1799\u17d7\u17d4 \u1793\u17c1\u17c7\u1798\u17b7\u1793\u1798\u17c2\u1793\u1787\u17b6\u1780\u17b6\u179a\u17b7\u1799\u17b6\u1792\u17b7\u1794\u178f\u17c1\u1799\u17d2\u1799\u1791\u17c1 \u2014 \u1793\u17c1\u17c7\u1787\u17b6\u179c\u17b7\u1792\u17b8\u178a\u17c2\u179b\u17a2\u17d2\u1793\u1780\u1787\u17c0\u179f\u179c\u17b6\u1784\u1780\u17b6\u179a\u1796\u1793\u17d2\u1799\u179b\u17cb\u1791\u17c5\u1780\u17b6\u1793\u17cb\u1780\u17d2\u179a\u17bb\u1798\u1794\u17d2\u179a\u17b9\u1780\u17d2\u179f\u17b6\u179f\u17c6\u178e\u1784\u1780\u1798\u17d2\u1798\u1780\u179a\u1790\u17b6\u17a0\u17c1\u178f\u17bb\u17a2\u17d2\u179c\u17b8\u1794\u17b6\u1793\u1787\u17b6\u17a2\u17d2\u1793\u1780\u1794\u17b6\u178f\u17cb\u1798\u17d2\u179a\u17b6\u1798\u178a\u17c3\u1794\u17b8\u17d4.<\/p>\n<p><strong>\u1782\u17b6\u17c6\u1791\u17d2\u179a\u1791\u17b7\u1796\u17d2\u179c\u17d6<\/strong> \u1794\u17d2\u179a\u17be\u17a7\u1794\u1780\u179a\u178e\u17cd\u179c\u17b6\u179f\u17cb\u179c\u17c9\u17bb\u179b\u178a\u17c2\u179b\u1798\u17b7\u1793\u1794\u17c9\u17c7 (NCVT) \u178a\u17c2\u179b\u1794\u17b6\u1793\u179c\u17b6\u1799\u178f\u1798\u17d2\u179b\u17c3\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb DC \u1798\u17bb\u1793\u1796\u17c1\u179b\u17a2\u17d2\u1793\u1780\u1794\u17c9\u17c7\u17a2\u17d2\u179c\u17b8\u1791\u17b6\u17c6\u1784\u17a2\u179f\u17cb\u17d4 Fluke 1AC-A1-II \u1793\u17b9\u1784\u1798\u17b7\u1793\u179a\u1780\u1783\u17be\u1789 DC \u1791\u17c1\u17d4 \u17a2\u17d2\u1793\u1780\u178f\u17d2\u179a\u17bc\u179c\u1780\u17b6\u179a Fluke 369 FC \u17ac\u17a7\u1794\u1780\u179a\u178e\u17cd\u179f\u17d2\u179a\u178a\u17c0\u1784\u1782\u17d2\u1793\u17b6\u17d4 \u17a7\u1794\u1780\u179a\u178e\u17cd $200 \u179c\u17b6\u1799\u178a\u17c6\u179c\u17b7\u1780\u17d2\u1780\u1799\u1794\u178f\u17d2\u179a\u1798\u1793\u17d2\u1791\u17b8\u179a\u1796\u17c1\u1791\u17d2\u1799 $50,000 \u17d4.<\/p>\n<h3>\u1787\u17c6\u17a0\u17b6\u1793\u1791\u17b8 4: \u179a\u17b9\u178f\u1794\u1793\u17d2\u178f\u17b9\u1784, \u179f\u17b6\u1780\u179b\u17d2\u1794\u1784 \u1793\u17b7\u1784\u1780\u178f\u17cb\u178f\u17d2\u179a\u17b6 (\u17a2\u1793\u17d2\u1791\u17b6\u1780\u17cb\u179a\u17b9\u178f\u178a\u17c4\u1799\u1798\u17d2\u179a\u17b6\u1798\u178a\u17c3)<\/h3>\n<p><strong>\u1793\u17b7\u1780\u17d2\u1781\u17c1\u1794\u1794\u1791\u1781\u17d2\u1793\u17b6\u178f\u178f\u17bc\u1785\u17d6<\/strong> \u1780\u1798\u17d2\u179b\u17b6\u17c6\u1784\u179a\u17b9\u178f\u1794\u1793\u17d2\u178f\u17b9\u1784\u178f\u17d2\u179a\u17b9\u1798\u178f\u17d2\u179a\u17bc\u179c\u1782\u17ba\u1787\u17b6\u178f\u1798\u17d2\u179a\u17bc\u179c\u1780\u17b6\u179a\u1780\u17bc\u178a \u1798\u17b7\u1793\u1798\u17c2\u1793\u1787\u17b6\u1780\u17b6\u179a\u178e\u17c2\u1793\u17b6\u17c6\u1791\u17c1\u17d4 \u1780\u17b6\u179a\u178f\u1797\u17d2\u1787\u17b6\u1794\u17cb\u179a\u179b\u17bb\u1784\u1794\u1784\u17d2\u1780\u17be\u178f\u179f\u1793\u17d2\u179b\u17b6\u1780\u17cb\u1792\u1793\u17cb\u1791\u17d2\u179a\u17b6\u17c6\u1781\u17d2\u1796\u179f\u17cb\u178a\u17c2\u179b\u179a\u179b\u17b6\u1799\u1793\u17c5\u1780\u17d2\u179a\u17c4\u1798\u1794\u1793\u17d2\u1791\u17bb\u1780\u17d4.<\/p>\n<p>\u1780\u17b6\u179a\u178f\u1797\u17d2\u1787\u17b6\u1794\u17cb\u179a\u1794\u17b6\u179a\u1793\u17b8\u1798\u17bd\u1799\u17d7\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u1794\u17d2\u179a\u17a2\u1794\u17cb\u1794\u1789\u17d2\u1785\u17bc\u179b\u1782\u17d2\u1793\u17b6\u179a\u1794\u179f\u17cb\u17a2\u17d2\u1793\u1780\u1798\u17b6\u1793\u179b\u1780\u17d2\u1781\u178e\u17c8\u1796\u17b7\u179f\u17c1\u179f\u1793\u17c3\u1780\u1798\u17d2\u179b\u17b6\u17c6\u1784\u179a\u17b9\u178f\u1794\u1793\u17d2\u178f\u17b9\u1784 \u1787\u17b6\u1792\u1798\u17d2\u1798\u178f\u17b6 50-120 in-lbs \u17d4 \u201c\u179a\u17b9\u178f\u178a\u17c4\u1799\u1798\u17d2\u179a\u17b6\u1798\u178a\u17c3\u1794\u17bc\u1780\u1798\u17bd\u1799\u1797\u17b6\u1782\u1794\u17bd\u1793\u179c\u17c1\u1793\u201d \u1782\u17ba\u1787\u17b6\u17a2\u1793\u17d2\u1791\u17b6\u1780\u17cb\u179a\u17b9\u178f\u178a\u17c4\u1799\u1798\u17d2\u179a\u17b6\u1798\u178a\u17c3 \u2014 \u179c\u17b6\u1793\u17b9\u1784\u1798\u17b6\u1793\u17a2\u17b6\u179a\u1798\u17d2\u1798\u178e\u17cd\u1790\u17b6\u1798\u17b6\u1793\u179f\u17bb\u179c\u178f\u17d2\u1790\u17b7\u1797\u17b6\u1796\u1793\u17c5\u1790\u17d2\u1784\u17c3\u1793\u17c1\u17c7 \u17a0\u17be\u1799\u1787\u17b6\u1782\u17d2\u179a\u17c4\u17c7\u1790\u17d2\u1793\u17b6\u1780\u17cb\u1797\u17d2\u179b\u17be\u1784\u1780\u17d2\u1793\u17bb\u1784\u179a\u1799\u17c8\u1796\u17c1\u179b\u1794\u17d2\u179a\u17b6\u17c6\u1798\u17bd\u1799\u1781\u17c2\u17d4.<\/p>\n<p>\u1794\u17d2\u179a\u17be\u1791\u17bd\u178e\u17ba\u179c\u17b8\u179f\u1780\u1798\u17d2\u179b\u17b6\u17c6\u1784\u179a\u17b9\u178f\u1794\u1793\u17d2\u178f\u17b9\u1784 \u17ac wrench \u17d4 \u1780\u17c6\u178e\u178f\u17cb\u179c\u17b6\u1791\u17c5\u179b\u1780\u17d2\u1781\u178e\u17c8\u1796\u17b7\u179f\u17c1\u179f\u17d4 \u179a\u17b9\u178f\u1794\u1793\u17d2\u178f\u17b9\u1784\u1780\u17b6\u179a\u178f\u1797\u17d2\u1787\u17b6\u1794\u17cb\u1793\u17b8\u1798\u17bd\u1799\u17d7\u17d4 \u1794\u1793\u17d2\u1791\u17b6\u1794\u17cb\u1798\u1780\u1792\u17d2\u179c\u17be\u179c\u17b6\u1798\u17d2\u178f\u1784\u1791\u17c0\u178f\u17d4 \u179c\u178a\u17d2\u178f\u1780\u1798\u17d2\u178a\u17c5\u1794\u1793\u17d2\u1792\u17bc\u179a\u1780\u17b6\u179a\u178f\u1797\u17d2\u1787\u17b6\u1794\u17cb\u178f\u17b6\u1798\u1796\u17c1\u179b\u179c\u17c1\u179b\u17b6\u17d4 \u1780\u17b6\u179a\u1794\u17c4\u17c7\u1796\u17bb\u1798\u17d2\u1796 NEC 2023 \u1794\u17b6\u1793\u1794\u1793\u17d2\u1790\u17c2\u1798 690.31(C) \u178a\u17c2\u179b\u178f\u1798\u17d2\u179a\u17bc\u179c\u17b1\u17d2\u1799\u1798\u17b6\u1793\u1780\u17b6\u179a\u1795\u17d2\u1791\u17c0\u1784\u1795\u17d2\u1791\u17b6\u178f\u17cb\u1780\u1798\u17d2\u179b\u17b6\u17c6\u1784\u179a\u17b9\u178f\u1794\u1793\u17d2\u178f\u17b9\u1784\u178a\u17c2\u179b\u1794\u17b6\u1793\u1780\u178f\u17cb\u178f\u17d2\u179a\u17b6\u1791\u17bb\u1780\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1780\u17b6\u179a\u178f\u1797\u17d2\u1787\u17b6\u1794\u17cb PV \u1791\u17b6\u17c6\u1784\u17a2\u179f\u17cb\u179b\u17be\u179f\u1796\u17b8 100A \u17d4 \u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u179b\u17c6\u1793\u17c5\u178a\u17d2\u178b\u17b6\u1793 \u179c\u17b6\u1793\u17c5\u178f\u17c2\u1787\u17b6\u1780\u17b6\u179a\u17a2\u1793\u17bb\u179c\u178f\u17d2\u178f\u179b\u17d2\u17a2\u1794\u17c6\u1795\u17bb\u178f\u178a\u17c2\u179b\u179a\u1780\u17d2\u179f\u17b6\u17a2\u17d2\u1793\u1780\u17b1\u17d2\u1799\u1793\u17c5\u1786\u17d2\u1784\u17b6\u1799\u1796\u17b8\u179a\u1794\u17b6\u1799\u1780\u17b6\u179a\u178e\u17cd\u179a\u1794\u179f\u17cb\u17a2\u17d2\u1793\u1780\u179f\u17ca\u17be\u1794\u17a2\u1784\u17d2\u1780\u17c1\u178f\u1797\u17d2\u179b\u17be\u1784\u17d4.<\/p>\n<p>\u1780\u17b6\u179a\u1792\u17d2\u179c\u17be\u178f\u17c1\u179f\u17d2\u178f: \u1794\u1793\u17d2\u1791\u17b6\u1794\u17cb\u1796\u17b8\u1794\u1789\u17d2\u1785\u17bc\u179b\u1790\u17b6\u1798\u1796\u179b\u1781\u17d2\u179f\u17c2\u1793\u17b8\u1798\u17bd\u1799\u17d7 \u179f\u17bc\u1798\u179c\u17b6\u179f\u17cb\u179c\u17c9\u17bb\u179b\u1793\u17c5\u1794\u17d2\u179a\u17a2\u1794\u17cb\u1794\u1789\u17d2\u1785\u17bc\u179b\u1782\u17d2\u1793\u17b6 \u1793\u17b7\u1784\u1793\u17c5\u1792\u17b6\u178f\u17bb\u1794\u1789\u17d2\u1785\u17bc\u179b inverter \u17d4 \u1796\u17bd\u1780\u1782\u17c1\u1782\u17bd\u179a\u178f\u17c2\u178f\u17d2\u179a\u17bc\u179c\u1782\u17d2\u1793\u17b6\u1780\u17d2\u1793\u17bb\u1784\u179a\u1784\u17d2\u179c\u1784\u17cb 2V \u17d4 \u1780\u17b6\u179a\u1792\u17d2\u179b\u17b6\u1780\u17cb\u1785\u17bb\u17c7\u1780\u17b6\u1793\u17cb\u178f\u17c2\u1792\u17c6\u1794\u1784\u17d2\u17a0\u17b6\u1789\u1796\u17b8\u1780\u17b6\u179a\u178f\u1797\u17d2\u1787\u17b6\u1794\u17cb\u1798\u17b7\u1793\u179b\u17d2\u17a2\u17d4 \u1787\u17bd\u179f\u1787\u17bb\u179b\u179c\u17b6\u1793\u17c5\u1796\u17c1\u179b\u1793\u17c1\u17c7\u17d4.<\/p>\n<p>\u17af\u1780\u179f\u17b6\u179a: \u1790\u178f\u179a\u17bc\u1794\u1781\u17d2\u179f\u17c2\u178a\u17c2\u179b\u1794\u17b6\u1793\u1794\u1789\u17d2\u1785\u1794\u17cb\u17d4 \u179f\u1798\u17d2\u1782\u17b6\u179b\u17cb\u1781\u17d2\u179f\u17c2\u1793\u17b8\u1798\u17bd\u1799\u17d7\u1793\u17c5\u179b\u17be\u179a\u17bc\u1794\u1790\u178f\u17d4 \u179a\u1780\u17d2\u179f\u17b6\u1791\u17bb\u1780\u179c\u17b6\u1793\u17c5\u1780\u17d2\u1793\u17bb\u1784\u17af\u1780\u179f\u17b6\u179a\u179a\u1794\u179f\u17cb\u17a2\u178f\u17b7\u1790\u17b7\u1787\u1793\u17d4 \u1793\u17c5\u1796\u17c1\u179b\u178a\u17c2\u179b\u1796\u17bd\u1780\u1782\u17c1\u1791\u17bc\u179a\u179f\u17d0\u1796\u17d2\u1791\u1785\u17bc\u179b\u1780\u17d2\u1793\u17bb\u1784\u179a\u1799\u17c8\u1796\u17c1\u179b\u1794\u17b8\u1786\u17d2\u1793\u17b6\u17c6\u17a2\u17c6\u1796\u17b8 \u201c\u1795\u179b\u17b7\u178f\u1780\u1798\u17d2\u1798\u1791\u17b6\u1794\u201d \u17a2\u17d2\u1793\u1780\u1793\u17b9\u1784\u178a\u17b9\u1784\u1785\u17d2\u1794\u17b6\u179f\u17cb\u1790\u17b6\u1781\u17d2\u179f\u17c2\u1798\u17bd\u1799\u178e\u17b6\u178a\u17c4\u1799\u1798\u17b7\u1793\u1785\u17b6\u17c6\u1794\u17b6\u1785\u17cb\u1794\u17be\u1780\u1794\u17d2\u179a\u17a2\u1794\u17cb\u17d4.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-18030\" src=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/07\/pv-combiner-box.webp\" alt=\"pv combiner box\" width=\"800\" height=\"800\" srcset=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/07\/pv-combiner-box.webp 800w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/07\/pv-combiner-box-300x300.webp 300w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/07\/pv-combiner-box-150x150.webp 150w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/07\/pv-combiner-box-768x768.webp 768w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/07\/pv-combiner-box-12x12.webp 12w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/07\/pv-combiner-box-600x600.webp 600w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/07\/pv-combiner-box-100x100.webp 100w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2>\u1794\u17d2\u179a\u17a2\u1794\u17cb\u1794\u1789\u17d2\u1785\u17bc\u179b\u1782\u17d2\u1793\u17b6\u179a\u1794\u179f\u17cb\u17a2\u17d2\u1793\u1780\u1782\u17bd\u179a\u178f\u17c2\u1782\u17bd\u179a\u17b1\u17d2\u1799\u1792\u17bb\u1789<\/h2>\n<p>\u17a5\u17a1\u17bc\u179c\u1793\u17c1\u17c7\u17a2\u17d2\u1793\u1780\u1799\u179b\u17cb <strong>\u1780\u17b6\u179a\u1797\u17d2\u1789\u17b6\u1780\u17cb\u1795\u17d2\u17a2\u17be\u179b Arc Flash<\/strong>\u2014\u1782\u17d2\u179a\u17c4\u17c7\u1790\u17d2\u1793\u17b6\u1780\u17cb\u179f\u17d2\u1784\u17b6\u178f\u17cb\u1787\u17d2\u179a\u1784\u17c6 \u1793\u17b7\u1784\u1798\u17b7\u1793\u1788\u1794\u17cb\u1788\u179a\u179a\u1794\u179f\u17cb DC \u178a\u17c2\u179b\u1792\u17d2\u179c\u17be\u17b1\u17d2\u1799 AC \u1798\u17be\u179b\u1791\u17c5\u179f\u17d2\u179a\u1791\u1793\u17cb\u17d4 \u17a2\u17d2\u1793\u1780\u1794\u17b6\u1793\u1782\u17c1\u1785\u1795\u17bb\u178f <strong>\u17a2\u1793\u17d2\u1791\u17b6\u1780\u17cb\u1787\u1784\u17cb\u179c\u17c9\u17bb\u179b<\/strong>\u2014\u1780\u17c6\u17a0\u17bb\u179f\u1782\u178e\u17b7\u178f\u179c\u17b7\u1791\u17d2\u1799\u17b6\u178a\u17c2\u179b\u1794\u17d2\u179a\u17c2\u1780\u17d2\u179b\u17b6\u1799\u17a7\u1794\u1780\u179a\u178e\u17cd\u1780\u17b6\u179a\u1796\u17b6\u179a\u1791\u17c5\u1787\u17b6\u1782\u17d2\u179a\u17b6\u1794\u17cb\u1794\u17c2\u1780\u17d4 \u17a0\u17be\u1799\u17a2\u17d2\u1793\u1780\u1794\u17b6\u1793\u1792\u17d2\u179c\u17be\u1787\u17b6\u1798\u17d2\u1785\u17b6\u179f\u17cb <strong>\u179f\u17c4\u179b\u17c6\u178a\u17b6\u1794\u17cb<\/strong>\u2014\u179b\u17c6\u178a\u17b6\u1794\u17cb\u1793\u17c3\u1794\u17d2\u179a\u178f\u17b7\u1794\u178f\u17d2\u178f\u17b7\u1780\u17b6\u179a\u178a\u17c2\u179b\u179a\u1780\u17d2\u179f\u17b6\u17a2\u17d2\u1793\u1780\u17b1\u17d2\u1799\u1798\u17b6\u1793\u179f\u17bb\u179c\u178f\u17d2\u1790\u17b7\u1797\u17b6\u1796\u1793\u17c5\u1796\u17c1\u179b\u178a\u17c2\u179b\u17a2\u17d2\u179c\u17b8\u17d7\u1795\u17d2\u179f\u17c1\u1784\u1791\u17c0\u178f\u1781\u17bb\u179f\u17d4.<\/p>\n<p>\u1794\u17d2\u179a\u17a2\u1794\u17cb\u1794\u1789\u17d2\u1785\u17bc\u179b\u1782\u17d2\u1793\u17b6\u178a\u17c2\u179b\u1798\u17b6\u1793\u1781\u17d2\u179f\u17c2\u178f\u17d2\u179a\u17b9\u1798\u178f\u17d2\u179a\u17bc\u179c\u1782\u17ba\u1782\u17bd\u179a\u17b1\u17d2\u1799\u1792\u17bb\u1789\u17d4 \u179c\u17b6\u1798\u17b7\u1793\u1794\u1789\u17d2\u1785\u17c1\u1789\u1795\u17d2\u1780\u17b6\u1797\u17d2\u179b\u17be\u1784\u1791\u17c1\u17d4 \u179c\u17b6\u1798\u17b7\u1793\u179a\u17a2\u17ca\u17bc\u179a\u1791\u17b6\u17c6\u1791\u17c1\u17d4 \u179c\u17b6\u1798\u17b7\u1793\u1780\u17d2\u178f\u17c5\u1791\u17c1\u17d4 \u179c\u17b6\u1782\u17d2\u179a\u17b6\u1793\u17cb\u178f\u17c2\u17a2\u1784\u17d2\u1782\u17bb\u1799\u1793\u17c5\u1791\u17b8\u1793\u17c4\u17c7 \u179a\u17bd\u1798\u1794\u1789\u17d2\u1785\u17bc\u179b\u1781\u17d2\u179f\u17c2 \u1780\u17b6\u179a\u1796\u17b6\u179a\u179f\u17c0\u1782\u17d2\u179c\u17b8 \u1793\u17b7\u1784\u179a\u1780\u17d2\u179f\u17b6\u17a0\u17c1\u178f\u17bb\u1795\u179b\u1790\u17b6\u1798\u1796\u179b\u1796\u1793\u17d2\u179b\u17ba\u1796\u17d2\u179a\u17c7\u17a2\u17b6\u1791\u17b7\u178f\u17d2\u1799\u179a\u1794\u179f\u17cb\u17a2\u17d2\u1793\u1780\u17b1\u17d2\u1799\u178a\u17c6\u178e\u17be\u179a\u1780\u17b6\u179a\u179a\u1799\u17c8\u1796\u17c1\u179b 25 \u1786\u17d2\u1793\u17b6\u17c6\u17d4.<\/p>\n<p>\u1780\u17b6\u179a\u1784\u17b6\u179a\u179a\u1794\u179f\u17cb\u17a2\u17d2\u1793\u1780\u1782\u17ba\u1792\u17d2\u179c\u17be\u17b1\u17d2\u1799\u179c\u17b6\u1780\u17d2\u179b\u17b6\u1799\u1787\u17b6\u1780\u17b6\u179a\u1792\u17bb\u1789\u1791\u17d2\u179a\u17b6\u1793\u17cb\u17d4 \u17a2\u1793\u17bb\u179c\u178f\u17d2\u178f\u178f\u17b6\u1798\u179c\u17b7\u1792\u17b8\u179f\u17b6\u179f\u17d2\u178f\u17d2\u179a 4 \u1787\u17c6\u17a0\u17b6\u1793\u17d4 \u1794\u17d2\u179a\u17be\u179f\u1798\u17b6\u179f\u1792\u17b6\u178f\u17bb\u178a\u17c2\u179b\u1794\u17b6\u1793\u179c\u17b6\u1799\u178f\u1798\u17d2\u179b\u17c3\u17d4 \u17a2\u1793\u17bb\u179c\u178f\u17d2\u178f\u179f\u17c4\u179b\u17c6\u178a\u17b6\u1794\u17cb\u17d4 \u179a\u17b9\u178f\u1794\u1793\u17d2\u178f\u17b9\u1784\u1780\u17b6\u179a\u178f\u1797\u17d2\u1787\u17b6\u1794\u17cb\u1793\u17b8\u1798\u17bd\u1799\u17d7\u17d4 \u1780\u178f\u17cb\u178f\u17d2\u179a\u17b6\u17a2\u17d2\u179c\u17b8\u17d7\u1782\u17d2\u179a\u1794\u17cb\u1799\u17c9\u17b6\u1784\u17d4.<\/p>\n<p><strong>\u178f\u17d2\u179a\u17c0\u1798\u1781\u17d2\u179b\u17bd\u1793\u179a\u17bd\u1785\u179a\u17b6\u179b\u17cb\u17a0\u17be\u1799\u178a\u17be\u1798\u17d2\u1794\u17b8\u1794\u1789\u17d2\u1787\u17b6\u1780\u17cb\u1794\u17d2\u179a\u17a2\u1794\u17cb\u1794\u1789\u17d2\u1785\u17bc\u179b\u1782\u17d2\u1793\u17b6\u178a\u17c2\u179b\u17a2\u1793\u17bb\u179b\u17c4\u1798\u178f\u17b6\u1798\u1780\u17bc\u178a\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1782\u1798\u17d2\u179a\u17c4\u1784\u1794\u1793\u17d2\u1791\u17b6\u1794\u17cb\u179a\u1794\u179f\u17cb\u17a2\u17d2\u1793\u1780?<\/strong> \u1791\u17b6\u1789\u1799\u1780\u1794\u1789\u17d2\u1787\u17b8\u178f\u17d2\u179a\u17bd\u178f\u1796\u17b7\u1793\u17b7\u178f\u17d2\u1799\u1794\u17d2\u179a\u17a2\u1794\u17cb\u1794\u1789\u17d2\u1785\u17bc\u179b\u1782\u17d2\u1793\u17b6 NEC 2023 \u178a\u17c4\u1799\u17a5\u178f\u1782\u17b7\u178f\u1790\u17d2\u179b\u17c3\u179a\u1794\u179f\u17cb\u1799\u17be\u1784 \u1787\u17b6\u1798\u17bd\u1799\u1793\u17b9\u1784\u179b\u1780\u17d2\u1781\u178e\u17c8\u1796\u17b7\u179f\u17c1\u179f\u1793\u17c3\u1780\u1798\u17d2\u179b\u17b6\u17c6\u1784\u179a\u17b9\u178f\u1794\u1793\u17d2\u178f\u17b9\u1784 \u179f\u1793\u17d2\u179b\u17b9\u1780\u1780\u17b7\u1785\u17d2\u1785\u1780\u17b6\u179a\u1782\u178e\u1793\u17b6\u179c\u17c9\u17bb\u179b \u1793\u17b7\u1784\u1780\u17b6\u179a\u178e\u17c2\u1793\u17b6\u17c6\u17a2\u17c6\u1796\u17b8\u1780\u17b6\u179a\u1787\u17d2\u179a\u17be\u179f\u179a\u17be\u179f\u179f\u1798\u17b6\u179f\u1792\u17b6\u178f\u17bb\u17d4 \u17ac\u1791\u17b6\u1780\u17cb\u1791\u1784\u179c\u17b7\u179f\u17d2\u179c\u1780\u179a\u1780\u1798\u17d2\u1798\u179c\u17b7\u1792\u17b8 VIOX \u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1780\u17b6\u179a\u1782\u17b6\u17c6\u1791\u17d2\u179a\u1780\u17b6\u179a\u179a\u1785\u1793\u17b6\u1787\u17b6\u1780\u17cb\u179b\u17b6\u1780\u17cb\u1793\u17c3\u1782\u1798\u17d2\u179a\u17c4\u1784\u17d4.<\/p>\n<p>\u1794\u17d2\u179a\u17a2\u1794\u17cb\u1794\u1789\u17d2\u1785\u17bc\u179b\u1782\u17d2\u1793\u17b6\u179a\u1794\u179f\u17cb\u17a2\u17d2\u1793\u1780\u1782\u17bd\u179a\u178f\u17c2\u1787\u17b6\u1795\u17d2\u1793\u17c2\u1780\u178a\u17c2\u179b\u17a2\u17b6\u1785\u1791\u17bb\u1780\u1785\u17b7\u178f\u17d2\u178f\u1794\u17c6\u1795\u17bb\u178f\u1793\u17c3\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792\u17d4 \u1792\u17d2\u179c\u17be\u200b\u179c\u17b6\u200b\u17a2\u17c4\u1799\u200b\u1794\u17b6\u1793\u200b\u179b\u17d2\u17a2\u17d4.<\/p>\n<p><!-- Standards & Sources --><\/p>\n<p><strong>\u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a \u1793\u17b7\u1784\u1794\u17d2\u179a\u1797\u1796\u1799\u17c4\u1784<\/strong><\/p>\n<ul>\n<li><strong>NEC 690.7<\/strong> (2023): \u1780\u178f\u17d2\u178f\u17b6\u1780\u17c2\u178f\u1798\u17d2\u179a\u17bc\u179c\u179c\u17c9\u17bb\u179b\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u179f\u17b8\u178f\u17bb\u178e\u17d2\u17a0\u1797\u17b6\u1796\u1791\u17b6\u1794<\/li>\n<li><strong>NEC 690.12<\/strong> (2023): \u1780\u17b6\u179a\u1794\u17b7\u1791\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792 PV \u1799\u17c9\u17b6\u1784\u1786\u17b6\u1794\u17cb\u179a\u17a0\u17d0\u179f\u1793\u17c5\u179b\u17be\u17a2\u1782\u17b6\u179a<\/li>\n<li><strong>NEC 690.16<\/strong> (2023): \u17a0\u17d2\u179c\u17bb\u1799\u17a0\u17d2\u179f\u17ca\u17b8\u1794 \u1793\u17b7\u1784\u17a7\u1794\u1780\u179a\u178e\u17cd\u1795\u17d2\u178f\u17b6\u1785\u17cb\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u179f\u17c0\u1782\u17d2\u179c\u17b8 PV<\/li>\n<li><strong>NEC 690.31(C)<\/strong> (2023): \u178f\u1798\u17d2\u179a\u17bc\u179c\u1780\u17b6\u179a\u17af\u1780\u179f\u17b6\u179a\u1780\u1798\u17d2\u179b\u17b6\u17c6\u1784\u179a\u17b9\u178f\u1794\u1793\u17d2\u178f\u17b9\u1784<\/li>\n<li><strong>UL 1741<\/strong>: \u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u179f\u17bb\u179c\u178f\u17d2\u1790\u17b7\u1797\u17b6\u1796\u1793\u17c3 inverters, converters \u1793\u17b7\u1784 charge controllers<\/li>\n<li><strong>UL 4248-18<\/strong>: \u17a7\u1794\u1780\u179a\u178e\u17cd\u1785\u17b6\u1794\u17cb\u17a0\u17d2\u179c\u17bb\u1799\u17a0\u17d2\u179f\u17ca\u17b8\u1794\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u1794\u17d2\u179a\u1796\u17d0\u1793\u17d2\u1792 photovoltaic<\/li>\n<li><strong>NFPA 70E<\/strong>: \u179f\u17d2\u178f\u1784\u17cb\u178a\u17b6\u179a\u179f\u1798\u17d2\u179a\u17b6\u1794\u17cb\u179f\u17bb\u179c\u178f\u17d2\u1790\u17b7\u1797\u17b6\u1796\u17a2\u1782\u17d2\u1782\u17b7\u179f\u1793\u17b8\u1793\u17c5\u1780\u1793\u17d2\u179b\u17c2\u1784\u1792\u17d2\u179c\u17be\u1780\u17b6\u179a<\/li>\n<\/ul>\n<p><!-- SEO Enhancement Recommendations --><\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>8:47 AM. The solar installer pops the latches on the combiner box lid. Inside, six PV strings terminate at busbars, each waiting for its fuse. He grabs his insulated screwdriver, reaches for the first positive wire, and makes contact. In 0.3 seconds, a 400Vdc arc flash erupts\u2014brighter than a welding torch, hot enough to vaporize [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":19744,"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-19735","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\/19735","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=19735"}],"version-history":[{"count":5,"href":"https:\/\/test.viox.com\/km\/wp-json\/wp\/v2\/posts\/19735\/revisions"}],"predecessor-version":[{"id":19743,"href":"https:\/\/test.viox.com\/km\/wp-json\/wp\/v2\/posts\/19735\/revisions\/19743"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/test.viox.com\/km\/wp-json\/wp\/v2\/media\/19744"}],"wp:attachment":[{"href":"https:\/\/test.viox.com\/km\/wp-json\/wp\/v2\/media?parent=19735"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/test.viox.com\/km\/wp-json\/wp\/v2\/categories?post=19735"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/test.viox.com\/km\/wp-json\/wp\/v2\/tags?post=19735"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}