{"id":6409,"date":"2026-11-09T00:00:00","date_gmt":"2026-11-09T00:00:00","guid":{"rendered":"https:\/\/chac-electric.com\/?p=6409"},"modified":"2026-11-09T06:09:32","modified_gmt":"2026-11-09T06:09:32","slug":"%d8%a7%d9%84%d8%aa%d8%ad%d9%82%d9%82-%d9%85%d9%86-%d9%85%d8%aa%d8%b7%d9%84%d8%a8%d8%a7%d8%aa-%d8%a7%d9%86%d8%ae%d9%81%d8%a7%d8%b6-%d8%a7%d9%84%d8%ac%d9%87%d8%af-%d8%b9%d9%86%d8%af-%d8%aa%d8%b5%d9%85","status":"publish","type":"post","link":"https:\/\/chac-electric.com\/ar\/blog\/nec-voltage-drop-requirements-design-checks-for-protected-circuits\/","title":{"rendered":"\u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0646\u062e\u0641\u0627\u0636 \u0627\u0644\u062c\u0647\u062f NEC: \u0639\u0645\u0644\u064a\u0627\u062a \u0641\u062d\u0635 \u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u0644\u0644\u0645\u062d\u0648\u0644\u0627\u062a \u0627\u0644\u0645\u0623\u0645\u0648\u0646\u0629"},"content":{"rendered":"<article>\n<p>\u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u0641\u064a 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src=\"https:\/\/chac-electric.com\/wp-content\/uploads\/2026\/11\/chac-real-inline-6409-inline1-nov05-r2.webp\" alt=\"\u0639\u064a\u0646\u0629 \u0642\u0627\u0637\u0639 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0645\u0635\u063a\u0631 CHAC CQB2-63 \u0644\u062a\u0642\u062f\u064a\u0645 \u062a\u0648\u0635\u064a\u0627\u062a \u0645\u0646\u0641\u0635\u0644\u0629 \u062a\u062a\u062c\u0627\u0648\u0632 \u0627\u0644\u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u0642\u0627\u0646\u0648\u0646\u064a\u0629\" width=\"1672\" height=\"941\" loading=\"lazy\" decoding=\"async\" class=\"wp-image-6638\" style=\"max-width:100%;height:auto\" srcset=\"https:\/\/chac-electric.com\/wp-content\/uploads\/2026\/11\/chac-real-inline-6409-inline1-nov05-r2.webp 1672w, https:\/\/chac-electric.com\/wp-content\/uploads\/2026\/11\/chac-real-inline-6409-inline1-nov05-r2-300x169.webp 300w, https:\/\/chac-electric.com\/wp-content\/uploads\/2026\/11\/chac-real-inline-6409-inline1-nov05-r2-1024x576.webp 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href=\"https:\/\/chac-electric.com\/ar\/product\/%d9%82%d8%a7%d8%b7%d8%b9-%d8%a7%d9%84%d8%af%d8%a7%d8%a6%d8%b1%d8%a9-%d8%a7%d9%84%d9%85%d8%b5%d9%86%d9%88%d8%b9-%d9%85%d9%86-%d8%b3%d9%84%d8%b3%d9%84%d8%a9-cqm7\/\">\u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u0645\u0632\u0648\u0651\u062f<\/a> \u0639\u0646 \u0637\u0631\u064a\u0642 \u0645\u0642\u0627\u0631\u0646\u0629 \u0645\u0639 \u0627\u0644\u0645\u0648\u0635\u0644 \u0627\u0644\u0646\u0647\u0627\u0626\u064a \u0648\u0638\u0631\u0648\u0641 \u0627\u0644\u062e\u0637\u0623. \u0641\u064a \u062d\u0627\u0644 \u062a\u063a\u064a\u0631 \u062d\u062c\u0645 \u0627\u0644\u0645\u0648\u0635\u0644\u060c \u062a\u0623\u0643\u062f \u0645\u0646 \u0623\u0646 \u0627\u0644\u0645\u0642\u0627\u0628\u0633 \u062a\u0642\u0628\u0644 \u0647\u0630\u0627 \u0627\u0644\u062a\u063a\u064a\u064a\u0631 \u0648\u0623\u0646 \u0623\u064a \u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0623\u0631\u0636\u064a\u0629 \u0630\u0627\u062a \u0635\u0644\u0629 \u064a\u062a\u0645 \u0623\u064a\u0636\u064b\u0627 \u0645\u0639\u0627\u0644\u062c\u062a\u0647\u0627.<\/p>\n<figure><img src=\"https:\/\/chac-electric.com\/wp-content\/uploads\/2026\/11\/chac-real-inline-6409-inline2-nov05-r2.webp\" alt=\"\u0639\u064a\u0646\u0629 \u0645\u0641\u062a\u0627\u062d \u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u0645\u0635\u063a\u0631 CHAC CQB2-63 \u0644\u062a\u063a\u064a\u064a\u0631 \u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u062f\u0648\u0646 \u0625\u0636\u0639\u0627\u0641 \u0627\u0644\u062d\u0645\u0627\u064a\u0629\" width=\"1672\" height=\"941\" loading=\"lazy\" decoding=\"async\" class=\"wp-image-6639\" style=\"max-width:100%;height:auto\" srcset=\"https:\/\/chac-electric.com\/wp-content\/uploads\/2026\/11\/chac-real-inline-6409-inline2-nov05-r2.webp 1672w, https:\/\/chac-electric.com\/wp-content\/uploads\/2026\/11\/chac-real-inline-6409-inline2-nov05-r2-300x169.webp 300w, https:\/\/chac-electric.com\/wp-content\/uploads\/2026\/11\/chac-real-inline-6409-inline2-nov05-r2-1024x576.webp 1024w, https:\/\/chac-electric.com\/wp-content\/uploads\/2026\/11\/chac-real-inline-6409-inline2-nov05-r2-768x432.webp 768w, https:\/\/chac-electric.com\/wp-content\/uploads\/2026\/11\/chac-real-inline-6409-inline2-nov05-r2-1536x864.webp 1536w, https:\/\/chac-electric.com\/wp-content\/uploads\/2026\/11\/chac-real-inline-6409-inline2-nov05-r2-18x10.webp 18w, https:\/\/chac-electric.com\/wp-content\/uploads\/2026\/11\/chac-real-inline-6409-inline2-nov05-r2-600x338.webp 600w\" sizes=\"auto, (max-width: 1672px) 100vw, 1672px\" \/><\/figure>\n<h2>\u0642\u0627\u0631\u0646 \u0628\u064a\u0646 \u0627\u0644\u062e\u064a\u0627\u0631\u0627\u062a \u0627\u0644\u0645\u062a\u0627\u062d\u0629 \u0644\u0647\u0630\u0627 \u0627\u0644\u062a\u0637\u0628\u064a\u0642<\/h2>\n<div style=\"overflow-x:auto\">\n<table style=\"width:100%;border-collapse:collapse\">\n<thead>\n<tr>\n<th scope=\"col\" 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\u0627\u0644\u062d\u0645\u0627\u064a\u0629 \u0644\u0645\u0631\u0627\u062c\u0639\u062a\u0647\u0627 \u0648\u0641\u0642\u064b\u0627 \u0644\u0644\u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u0645\u0639\u062a\u0645\u062f.<\/p>\n<h2>\u0627\u0644\u0623\u0633\u0626\u0644\u0629 \u0627\u0644\u0634\u0627\u0626\u0639\u0629<\/h2>\n<h3>\u0645\u0627 \u0647\u064a \u0642\u0627\u0639\u062f\u0629 \u0627\u0646\u062e\u0641\u0627\u0636 3% \u0627\u0644\u062c\u0647\u062f\u061f<\/h3>\n<p>\u064a\u062a\u0645 \u0627\u0633\u062a\u062e\u062f\u0627\u0645\u0647 \u0639\u0627\u062f\u0629\u064b \u0643\u062a\u0648\u0635\u064a\u0629 \u0644\u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0641\u0631\u0639\u064a\u0629\u060c \u0648\u0630\u0644\u0643 \u0628\u0627\u0644\u0627\u0642\u062a\u0631\u0627\u0646 \u0645\u0639 \u0627\u0644\u0645\u0644\u0627\u062d\u0638\u0627\u062a \u0627\u0644\u0625\u0639\u0644\u0627\u0645\u064a\u0629 \u0627\u0644\u0635\u0627\u062f\u0631\u0629 \u0639\u0646 \u0634\u0631\u0643\u0629 NEC. \u062a\u062d\u0642\u0642 \u0645\u0645\u0627 \u0625\u0630\u0627 \u0643\u0627\u0646\u062a \u0642\u0627\u0639\u062f\u0629 \u0625\u0644\u0632\u0627\u0645\u064a\u0629 \u0623\u0648 \u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0645\u0634\u0631\u0648\u0639 \u062a\u0646\u0637\u0628\u0642 \u0639\u0644\u0649 \u0627\u0644\u062f\u0627\u0626\u0631\u0629 \u0627\u0644\u0641\u0639\u0644\u064a\u0629.<\/p>\n<h3>\u0647\u0644 \u0645\u0646 \u0627\u0644\u0645\u0642\u0628\u0648\u0644 \u0627\u0646\u062e\u0641\u0627\u0636 \u0627\u0644\u062c\u0647\u062f \u0625\u0644\u0649 4% \u0641\u0648\u0644\u062a\u061f<\/h3>\n<p>\u064a\u0639\u062a\u0645\u062f \u0630\u0644\u0643 \u0639\u0644\u0649 \u0627\u0644\u062f\u0627\u0626\u0631\u0629\u060c \u0648\u062d\u062f\u0648\u062f \u0627\u0644\u0645\u0639\u062f\u0627\u062a\u060c \u0648\u0645\u0633\u062a\u0648\u0649 \u0627\u0644\u0642\u0628\u0648\u0644. \u0644\u0627 \u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u062d\u062f\u062f \u0627\u0644\u0646\u0633\u0628\u0629 \u0627\u0644\u0645\u0626\u0648\u064a\u0629 \u0648\u062d\u062f\u0647\u0627 \u0627\u0644\u0627\u0645\u062a\u062b\u0627\u0644 \u0623\u0648 \u0627\u0644\u062a\u0634\u063a\u064a\u0644 \u0627\u0644\u0645\u0631\u0636\u064a.<\/p>\n<h3>\u0647\u0644 \u0645\u0646 \u0627\u0644\u0645\u0642\u0628\u0648\u0644 \u0627\u0646\u062e\u0641\u0627\u0636 \u0627\u0644\u062c\u0647\u062f \u0625\u0644\u0649 5% \u0641\u0648\u0644\u062a\u061f<\/h3>\n<p>\u062a\u062a\u0635\u0644 \u0627\u0644\u0645\u0628\u0627\u0644\u063a \u0627\u0644\u0628\u0627\u0644\u063a\u0629 5% \u0623\u0631\u0642\u0627\u0645 \u0639\u0645\u0648\u0645\u0627\u064b \u0628\u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a \u0648\u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a \u0627\u0644\u0641\u0631\u0639\u064a\u0629 \u0645\u062c\u062a\u0645\u0639\u0629\u064b. \u0647\u0630\u0647 \u0644\u064a\u0633\u062a \u0625\u0630\u0646 \u0639\u0627\u0645\u0629 \u0644\u062c\u0645\u064a\u0639 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\u0627\u0644\u062c\u0647\u062f<\/a><\/li>\n<li><a href=\"https:\/\/www.southwire.com\/calculators\" rel=\"nofollow noopener\" target=\"_blank\">\u0645\u0639\u062f\u0627\u062a \u0627\u0644\u062d\u0627\u0633\u0628\u0629 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0645\u0646 Southwire<\/a><\/li>\n<li><a href=\"https:\/\/www.siemens.com\/en-us\/products\/sentron\/\" rel=\"nofollow noopener\" target=\"_blank\">\u062a\u0648\u0632\u064a\u0639 \u0627\u0644\u0637\u0627\u0642\u0629 \u0645\u0646\u062e\u0641\u0636 \u0627\u0644\u062c\u0647\u062f \u0645\u0646 \u0634\u0631\u0643\u0629 \u0633\u064a\u0645\u0646\u0633<\/a><\/li>\n<\/ul>\n<p>\u0644\u0644\u0627\u0633\u062a\u0641\u0633\u0627\u0631 \u0627\u0644\u0645\u062a\u0639\u0644\u0642 \u0628\u0645\u0648\u062f\u064a\u0644 \u0645\u0639\u064a\u0646\u060c \u0631\u0627\u062c\u0639 <a href=\"https:\/\/chac-electric.com\/ar\/%d9%85%d9%86%d8%aa%d8%ac%d8%a7%d8%aa\/\">\u0645\u0646\u062a\u062c\u0627\u062a CHAC \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629<\/a> \u0648 <a href=\"https:\/\/chac-electric.com\/ar\/%d8%a7%d8%aa%d8%b5%d9%84-%d8%a8%d9%86%d8%a7\/\">\u0625\u0631\u0633\u0627\u0644 \u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u062a\u0642\u062f\u064a\u0645<\/a> \u0645\u0639 \u0627\u0644\u0648\u062c\u0647\u0629 \u0648\u0627\u0644\u0643\u0645\u064a\u0629 \u0648\u0627\u0644\u0648\u062b\u0627\u0626\u0642 \u0627\u0644\u0645\u0637\u0644\u0648\u0628\u0629.<\/p>\n<\/article>","protected":false},"excerpt":{"rendered":"<p>\u064a\u0641\u0647\u0645 \u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0646\u062e\u0641\u0627\u0636 \u062c\u0647\u062f NEC \u0645\u0646 \u062e\u0644\u0627\u0644 \u0641\u0635\u0644 \u0627\u0644\u062a\u0648\u0635\u064a\u0627\u062a \u0627\u0644\u0639\u0627\u0645\u0629 \u0644\u0644\u062a\u0635\u0645\u064a\u0645 \u0639\u0646 \u0627\u0644\u0623\u062d\u0643\u0627\u0645 \u0627\u0644\u0625\u0644\u0632\u0627\u0645\u064a\u0629\u060c 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\u0627\u0644\u0641\u0639\u0644\u064a\u0629.<\/p>","protected":false},"author":1,"featured_media":6576,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-6409","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":8}},"acf":[],"_links":{"self":[{"href":"https:\/\/chac-electric.com\/ar\/wp-json\/wp\/v2\/posts\/6409","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/chac-electric.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/chac-electric.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/chac-electric.com\/ar\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/chac-electric.com\/ar\/wp-json\/wp\/v2\/comments?post=6409"}],"version-history":[{"count":2,"href":"https:\/\/chac-electric.com\/ar\/wp-json\/wp\/v2\/posts\/6409\/revisions"}],"predecessor-version":[{"id":6640,"href":"https:\/\/chac-electric.com\/ar\/wp-json\/wp\/v2\/posts\/6409\/revisions\/6640"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/chac-electric.com\/ar\/wp-json\/wp\/v2\/media\/6576"}],"wp:attachment":[{"href":"https:\/\/chac-electric.com\/ar\/wp-json\/wp\/v2\/media?parent=6409"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/chac-electric.com\/ar\/wp-json\/wp\/v2\/categories?post=6409"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/chac-electric.com\/ar\/wp-json\/wp\/v2\/tags?post=6409"}],"curies":[{"name":"\u0644\u0639\u0628 \u062c\u064a\u062f\u0629","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}