{"id":20110,"date":"2025-11-15T23:13:47","date_gmt":"2025-11-15T15:13:47","guid":{"rendered":"https:\/\/viox.com\/?p=20110"},"modified":"2025-11-15T23:13:50","modified_gmt":"2025-11-15T15:13:50","slug":"how-to-ground-an-electrical-panel","status":"publish","type":"post","link":"https:\/\/test.viox.com\/vi\/how-to-ground-an-electrical-panel\/","title":{"rendered":"L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 xu\u1ed1ng \u0110\u1ea5t, m\u1ed9t B\u1ea3ng \u0110i\u1ec7n: \u0110\u01af\u1ee2C ... y\u00eau C\u1ea7u v\u00e0 t\u1eebng B\u01b0\u1edbc h\u01b0\u1edbng D\u1eabn"},"content":{"rendered":"<div class=\"product-intro\">\n<p>\u0110\u00fang n\u1ec1n t\u1ea3ng m\u1ed9t b\u1ea3ng \u0111i\u1ec7n l\u00e0 m\u1ed9t trong nh\u1eefng quan tr\u1ecdng nh\u1ea5t bi\u1ec7n ph\u00e1p an to\u00e0n trong b\u1ea5t k\u1ef3 nh\u00e0 c\u1ee7a h\u1ec7 th\u1ed1ng \u0111i\u1ec7n. N\u00f3 l\u00e0 m\u1ed9t kh\u00f4ng th\u1ec3 th\u01b0\u01a1ng l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u \u0111\u1ec3 b\u1ea3o v\u1ec7 ch\u1ed1ng l\u1ea1i nghi\u00eam tr\u1ecdng nh\u1eefng c\u00fa s\u1ed1c \u0111i\u1ec7n, ng\u0103n ch\u1eb7n \u0111i\u1ec7n, ch\u00e1y, v\u00e0 b\u1ea3o v\u1ec7 nh\u1ea1y c\u1ea3m t\u1eed t\u1eeb d\u00e2ng quy\u1ec1n l\u1ef1c. B\u1eb1ng c\u00e1ch t\u1ea1o ra m\u1ed9t n\u01a1i an to\u00e0n, \u0111\u01b0\u1eddng d\u1eabn tr\u1ef1c ti\u1ebfp cho d\u01b0 th\u1eeba ho\u1eb7c l\u1ed7i-li\u00ean quan \u0111i\u1ec7n \u0111\u1ec3 ch\u1ea3y v\u00e0o tr\u00e1i \u0111\u1ea5t, ho\u00e0n to\u00e0n n\u1ec1n t\u1ea3ng h\u1ec7 th\u1ed1ng b\u1ea3o \u0111\u1ea3m s\u1ef1 an to\u00e0n \u1ed5n \u0111\u1ecbnh c\u1ee7a to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng \u0111i\u1ec7n. H\u01b0\u1edbng d\u1eabn n\u00e0y cung c\u1ea5p m\u1ed9t to\u00e0n di\u1ec7n c\u1ee7a c\u00e1c nguy\u00ean t\u1eafc, th\u00e0nh ph\u1ea7n, v\u00e0, th\u1ee7 t\u1ee5c m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c m\u1ed9t n\u1ec1n t\u1ea3ng <a href=\"https:\/\/test.viox.com\/vi\/distribution-box\/\">b\u1ea3ng \u0111i\u1ec7n<\/a> theo thi\u1ebft l\u1eadp ti\u00eau chu\u1ea9n an to\u00e0n.<\/p>\n<h2>C\u00e1c nguy\u00ean t\u1eafc C\u01a1 b\u1ea3n: \u0110\u1ea5t so li\u00ean K\u1ebft<\/h2>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone size-full wp-image-20112\" src=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Fundamentals-Grounding-vs.-Bonding.webp\" alt=\"The Fundamentals: Grounding vs. Bonding\" width=\"800\" height=\"800\" srcset=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Fundamentals-Grounding-vs.-Bonding.webp 800w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Fundamentals-Grounding-vs.-Bonding-300x300.webp 300w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Fundamentals-Grounding-vs.-Bonding-150x150.webp 150w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Fundamentals-Grounding-vs.-Bonding-768x768.webp 768w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Fundamentals-Grounding-vs.-Bonding-12x12.webp 12w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Fundamentals-Grounding-vs.-Bonding-600x600.webp 600w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Fundamentals-Grounding-vs.-Bonding-100x100.webp 100w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>Trong khi c\u00e1c \u0111i\u1ec1u kho\u1ea3n th\u01b0\u1eddng d\u00f9ng l\u1eabn l\u1ed9n, n\u1ec1n t\u1ea3ng v\u00e0 k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c hai ri\u00eang bi\u1ec7t, nh\u01b0ng c\u00f3 li\u00ean quan kh\u00e1i ni\u1ec7m r\u1eb1ng l\u00e0 r\u1ea5t c\u1ea7n thi\u1ebft cho m\u1ed9t h\u1ec7 th\u1ed1ng \u0111i\u1ec7n an to\u00e0n.<\/p>\n<ul>\n<li><strong>N\u1ec1n t\u1ea3ng<\/strong> l\u00e0 h\u00e0nh \u0111\u1ed9ng c\u1ee7a vi\u1ec7c k\u1ebft n\u1ed1i h\u1ec7 th\u1ed1ng \u0111i\u1ec7n c\u1ee7a b\u1ea1n t\u1edbi tr\u00e1i \u0111\u1ea5t, th\u01b0\u1eddng th\u00f4ng qua m\u1ed9t kim lo\u1ea1i \u0111\u1ea5t que. C\u00e1c m\u1ee5c \u0111\u00edch ch\u00ednh c\u1ee7a n\u1ec1n t\u1ea3ng l\u00e0 \u0111\u1ec3 \u1ed5n \u0111\u1ecbnh h\u1ec7 th\u1ed1ng \u0111i\u1ec7n \u00e1p trong ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng v\u00e0 \u0111\u1ec3 cung c\u1ea5p m\u1ed9t con \u0111\u01b0\u1eddng cho c\u00e1c s\u1ef1 ki\u1ec7n cao \u00e1p nh\u01b0 s\u00e9t \u0111\u00e1nh hay d\u00f2ng n\u01b0\u1edbc d\u00e2ng \u0111\u1ec3 \u0111\u01b0\u1ee3c an to\u00e0n ti\u00eau tan v\u00e0o m\u1eb7t \u0111\u1ea5t.<\/li>\n<li><strong>Li\u00ean k\u1ebft<\/strong> l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh gia nh\u1eadp t\u1ea5t c\u1ea3 kh\u00f4ng hi\u1ec7n t\u1ea1i mang kim lo\u1ea1i b\u1ed9 ph\u1eadn c\u1ee7a h\u1ec7 th\u1ed1ng \u0111i\u1ec7n c\u00f9ng nhau. N\u00e0y, bao g\u1ed3m b\u1ea3ng th\u00f9ng, conduit kim lo\u1ea1i v\u00e0 khung kim lo\u1ea1i c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb. M\u1ee5c \u0111\u00edch c\u1ee7a li\u00ean k\u1ebft l\u00e0 \u0111\u1ec3 t\u1ea1o ra m\u1ed9t li\u00ean t\u1ee5c, tr\u1edf th\u1ea5p \u0111\u01b0\u1eddng cho l\u1ed7i l\u1ea7m hi\u1ec7n t\u1ea1i \u0111\u1ec3 \u0111i du l\u1ecbch tr\u1edf l\u1ea1i ngu\u1ed3n g\u1ed1c c\u1ee7a n\u00f3. Con \u0111\u01b0\u1eddng n\u00e0y cho ph\u00e9p m\u1ed9t <a href=\"https:\/\/test.viox.com\/vi\/mcb\/\">ng\u1eaft m\u1ea1ch<\/a> ho\u1eb7c c\u1ea7u ch\u00ec \u0111\u1ec3 ph\u00e1t hi\u1ec7n nh\u1eefng l\u1ed7i v\u00e0 m\u1edf c\u00e1c m\u1ea1ch, c\u1eaft \u0111i\u1ec7n v\u00e0 ng\u0103n ch\u1eb7n kim lo\u1ea1i b\u1ec1 m\u1eb7t tr\u1edf th\u00e0nh tr\u00e0n \u0111\u1ea7y sinh l\u1ef1c v\u00e0 \u0111\u1eb7t ra m\u1ed9t c\u00fa s\u1ed1c nguy hi\u1ec3m.<\/li>\n<\/ul>\n<p>Trong ng\u1eafn, li\u00ean k\u1ebft cung con \u0111\u01b0\u1eddng cho l\u1ed7i l\u1ea7m hi\u1ec7n t\u1ea1i \u0111\u1ec3 l\u1ea5y l\u1ea1i \u0111i\u1ec1u khi\u1ec3n, \u0111\u1ea5t v\u00e0 cung c\u1ea5p c\u00e1c con \u0111\u01b0\u1eddng cho c\u00e1c qu\u00e1 d\u00f2ng thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 an to\u00e0n v\u1eadn h\u00e0nh v\u00e0 r\u00f5 r\u00e0ng l\u1ed7i.<\/p>\n<h2>N\u1ec1n T\u1ea3ng H\u1ec7 Th\u1ed1ng \u0110i\u1ec7n C\u1ef1c<\/h2>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-20113\" src=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Grounding-Electrode-System.webp\" alt=\"The Grounding Electrode System\" width=\"800\" height=\"800\" srcset=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Grounding-Electrode-System.webp 800w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Grounding-Electrode-System-300x300.webp 300w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Grounding-Electrode-System-150x150.webp 150w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Grounding-Electrode-System-768x768.webp 768w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Grounding-Electrode-System-12x12.webp 12w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Grounding-Electrode-System-600x600.webp 600w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/The-Grounding-Electrode-System-100x100.webp 100w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>C\u00e1c \u0111i\u1ec7n c\u1ef1c n\u1ec1n t\u1ea3ng l\u00e0 v\u1eadt l\u00fd th\u00e0nh ph\u1ea7n \u0111\u00f3 l\u00e0m cho s\u1ef1 k\u1ebft n\u1ed1i gi\u1eefa h\u1ec7 th\u1ed1ng \u0111i\u1ec7n c\u1ee7a b\u1ea1n v\u00e0 nh\u1eefng tr\u00e1i \u0111\u1ea5t. N\u00f3 l\u00e0 m\u1ed9t li\u00ean k\u1ebft quan tr\u1ecdng cho tan nguy hi\u1ec3m d\u00f2ng \u0111i\u1ec7n.<\/p>\n<h3>Ph\u1ed5 Bi\u1ebfn C\u1ef1c Lo\u1ea1i<\/h3>\n<p>Ph\u1ed5 bi\u1ebfn nh\u1ea5t \u0111i\u1ec7n c\u1ef1c n\u1ec1n t\u1ea3ng l\u00e0 m\u1ed9t thanh kim lo\u1ea1i h\u01b0\u1edbng v\u00e0o m\u1eb7t tr\u00e1i \u0111\u1ea5t. Nh\u1eefng que c\u00f3 s\u1eb5n \u1edf v\u1eadt li\u1ec7u kh\u00e1c nhau:<\/p>\n<ul>\n<li><strong>\u0110\u1ed3ng Li\u00ean Thanh:<\/strong> M\u1ed9t l\u00f5i th\u00e9p v\u1edbi m\u1ed9t \u0111\u1ed3ng s\u01a1n cung c\u1ea5p m\u1ed9t s\u1ef1 c\u00e2n b\u1eb1ng c\u1ee7a s\u1ee9c m\u1ea1nh d\u1eabn, v\u00e0 \u0103n m\u00f2n.<\/li>\n<li><strong>M\u1ea1 Thanh Th\u00e9p:<\/strong> \u0110\u00e2y l\u00e0 nh\u1eefng h\u01a1n gi\u00e1 c\u1ea3 ph\u1ea3i ch\u0103ng nh\u01b0ng c\u00f3 tu\u1ed5i th\u1ecd do nh\u1ea1y c\u1ea3m v\u1edbi s\u1ef1 \u0103n m\u00f2n.<\/li>\n<li><strong>R\u1eafn \u0110\u1ed3ng Thanh:<\/strong> Cung c\u1ea5p t\u1ed1t nh\u1ea5t d\u1eabn v\u00e0 d\u00e0i tu\u1ed5i th\u1ecd, \u0111\u00e2y l\u00e0 nh\u1eefng l\u1ef1a ch\u1ecdn cao c\u1ea5p, \u0111\u1eb7c bi\u1ec7t l\u00e0 cho \u0103n m\u00f2n \u0111\u1ea5t \u0111i\u1ec1u ki\u1ec7n.<\/li>\n<\/ul>\n<h3>Y\u00eau C\u1ea7u \u0111\u01b0\u1ee3c ...<\/h3>\n<p>C\u00e1c Qu\u1ed1c gia M\u00e3 \u0110i\u1ec7n (\u0110\u01af\u1ee2C...) c\u00f3 quy \u0111\u1ecbnh nghi\u00eam ng\u1eb7t cho n\u1ec1n t\u1ea3ng \u0111i\u1ec7n c\u1ef1c. Theo \u0110\u01af\u1ee2C ... 250.53, m\u1ed9t c\u00e2y g\u1eady \u0111i\u1ec7n c\u1ef1c ph\u1ea3i c\u00f3 t\u1ed1i thi\u1ec3u <strong>8 feet<\/strong> chi\u1ec1u d\u00e0i c\u1ee7a n\u00f3 ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp v\u1edbi c\u00e1c \u0111\u1ea5t. N\u1ebfu m\u1ed9t c\u00e2y g\u1eady \u0111\u01a1n kh\u00e1ng \u0111\u1ea5t \u0111\u01b0\u1ee3c \u0111o h\u01a1n 25 \u0111\u1ed9, m\u1ed9t th\u1ee9 hai c\u00e2y g\u1eady ph\u1ea3i \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t.<\/p>\n<h2>L\u00f5i \u0110\u01af\u1ee2C ... n\u1ec1n T\u1ea3ng v\u00e0 li\u00ean K\u1ebft y\u00eau C\u1ea7u (\u0110i\u1ec1u 250)<\/h2>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-20114\" src=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/Core-NEC-Grounding-Bonding-Requirements-Article-250.webp\" alt=\"Core NEC Grounding &amp; Bonding Requirements (Article 250)\" width=\"800\" height=\"800\" srcset=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/Core-NEC-Grounding-Bonding-Requirements-Article-250.webp 800w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/Core-NEC-Grounding-Bonding-Requirements-Article-250-300x300.webp 300w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/Core-NEC-Grounding-Bonding-Requirements-Article-250-150x150.webp 150w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/Core-NEC-Grounding-Bonding-Requirements-Article-250-768x768.webp 768w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/Core-NEC-Grounding-Bonding-Requirements-Article-250-12x12.webp 12w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/Core-NEC-Grounding-Bonding-Requirements-Article-250-600x600.webp 600w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/Core-NEC-Grounding-Bonding-Requirements-Article-250-100x100.webp 100w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>\u0110\u01af\u1ee2C ... \u0110i\u1ec1u 250 l\u00e0 d\u00e0nh ri\u00eang cho \u0111\u1ea5t v\u00e0 li\u00ean k\u1ebft, ph\u00e1c th\u1ea3o c\u00f4ng c\u1ee5 th\u1ec3 d\u1eabn v\u00e0 k\u1ebft n\u1ed1i c\u1ea7n thi\u1ebft.<\/p>\n<ul>\n<li><strong>N\u1ec1n t\u1ea3ng \u0111i\u1ec7n C\u1ef1c D\u1eabn (man u):<\/strong> \u0110\u00e2y l\u00e0 c\u00e1c d\u00e2y k\u1ebft n\u1ed1i c\u00e1c \u0111i\u1ec7n c\u1ef1c n\u1ec1n t\u1ea3ng (thanh) \u0111\u1ec3 \u0111\u1ea5t thanh trong b\u1ea3ng \u0111i\u1ec7n ch\u00ednh. K\u00edch th\u01b0\u1edbc c\u1ee7a n\u00f3 l\u00e0 quan tr\u1ecdng v\u00e0 \u0111\u01b0\u1ee3c quy\u1ebft \u0111\u1ecbnh b\u1edfi s\u1ef1 k\u00edch th\u01b0\u1edbc c\u1ee7a d\u1ecbch v\u1ee5-l\u1ed1i v\u00e0o d\u00e2y d\u1eabn theo quy \u0111\u1ecbnh <strong>\u0110\u01af\u1ee2C ... B\u1ea3ng 250.66<\/strong>.<\/li>\n<li><strong>Thi\u1ebft b\u1ecb n\u1ec1n T\u1ea3ng D\u1eabn (EGC):<\/strong> N\u00e0y d\u1eabn, th\u00f4ng th\u01b0\u1eddng m\u1ed9t tr\u1ea7n \u0111\u1ed3ng xanh hay d\u00e2y c\u00e1ch l\u00e0 c\u00e1c ng\u01b0\u1eddi ch\u1ea1y v\u1edbi nh\u00e1nh m\u1ea1ch \u0111\u1ec3 cung c\u1ea5p m\u1ed9t con \u0111\u01b0\u1eddng \u0111\u1ea5t cho c\u1eeda h\u00e0ng \u0111\u1ed3 \u0111\u1ea1c v\u00e0 thi\u1ebft b\u1ecb. M\u1ee5c \u0111\u00edch c\u1ee7a n\u00f3 l\u00e0 cung c\u1ea5p th\u1ea5p tr\u1edf con \u0111\u01b0\u1eddng cho l\u1ed7i l\u1ea7m hi\u1ec7n t\u1ea1i, l\u1ea1i \u0111\u1ebfn b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n. T\u1ed1i thi\u1ec3u k\u00edch th\u01b0\u1edbc c\u1ee7a EGC \u0111\u01b0\u1ee3c d\u1ef1a tr\u00ean \u0111\u00e1nh gi\u00e1 c\u1ee7a c\u00e1c qu\u00e1 d\u00f2ng \u0111i\u1ec7n tho\u1ea1i (breaker ho\u1eb7c c\u1ea7u ch\u00ec) b\u1ea3o v\u1ec7 m\u00e0 m\u1ea1ch, nh\u01b0 chi ti\u1ebft trong <strong>\u0110\u01af\u1ee2C ... B\u1ea3ng 250.122<\/strong>.<\/li>\n<li><strong>Ch\u00ednh li\u00ean K\u1ebft Nh\u1ea3y (MBJ):<\/strong> \u0110\u00e2y l\u00e0 m\u1ed9t v\u00edt, d\u00e2y \u0111eo, ho\u1eb7c d\u00e2y \u0111\u00f3 l\u00e0m cho v\u1eadt l\u00fd k\u1ebft n\u1ed1i gi\u1eefa trung l\u1eadp thanh v\u00e0 c\u00e1c \u0111\u1ea5t thanh trong v\u1ee5 ch\u00ednh b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n. Ch\u1ee9c n\u0103ng c\u1ee7a n\u00f3 l\u00e0 \u0111\u1ec3 gia nh\u1eadp c\u0103n c\u1ee9 ch\u1ec9 huy (trung l\u1eadp) \u0111\u1ec3 c\u00e1c thi\u1ebft b\u1ecb n\u1ec1n t\u1ea3ng h\u1ec7 th\u1ed1ng. C\u00e1c MBJ l\u00e0 k\u00edch th\u01b0\u1edbc theo <strong>\u0110\u01af\u1ee2C ... B\u1ea3ng 250.102(B)(1)<\/strong>.<\/li>\n<\/ul>\n<h2>B\u1ea3ng \u0111i\u1ec1u khi\u1ec3n ch\u00ednh so Subpanel: M\u1ed9t quan Tr\u1ecdng kh\u00e1c Bi\u1ec7t<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-20115\" src=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/Main-Panel-vs.-Subpanel-A-Critical-Distinction.webp\" alt=\"Main Panel vs. Subpanel- A Critical Distinction.webp\" width=\"800\" height=\"800\" srcset=\"https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/Main-Panel-vs.-Subpanel-A-Critical-Distinction.webp 800w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/Main-Panel-vs.-Subpanel-A-Critical-Distinction-300x300.webp 300w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/Main-Panel-vs.-Subpanel-A-Critical-Distinction-150x150.webp 150w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/Main-Panel-vs.-Subpanel-A-Critical-Distinction-768x768.webp 768w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/Main-Panel-vs.-Subpanel-A-Critical-Distinction-12x12.webp 12w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/Main-Panel-vs.-Subpanel-A-Critical-Distinction-600x600.webp 600w, https:\/\/test.viox.com\/wp-content\/uploads\/2025\/11\/Main-Panel-vs.-Subpanel-A-Critical-Distinction-100x100.webp 100w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>M\u1ed9t trong nh\u1eefng quan tr\u1ecdng nh\u1ea5t, v\u00e0 th\u01b0\u1eddng xuy\u00ean b\u1ecb hi\u1ec3u l\u1ea7m quy t\u1eafc trong n\u1ec1n t\u1ea3ng li\u00ean quan \u0111\u1ebfn s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa m\u1ed9t v\u1ee5 ch\u00ednh b\u1ea3ng v\u00e0 m\u1ed9t subpanel.<\/p>\n<ul>\n<li><strong>D\u1ecbch V\u1ee5 Ch\u00ednh B\u1ea3ng:<\/strong> \u0110\u00e2y l\u00e0 l\u1ea7n \u0111\u1ea7u ti\u00ean \u0111i\u1ec3m ng\u1eaft k\u1ebft n\u1ed1i cho s\u1ee9c m\u1ea1nh v\u00e0o t\u00f2a nh\u00e0. T\u1ea1i b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n ch\u00ednh v\u00e0 <strong>ch\u1ec9 t\u1ea1i b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n ch\u00ednh<\/strong>c\u00e1c trung l\u1eadp thanh v\u00e0 \u0111\u1ea5t thanh \u0111ang k\u1ebft n\u1ed1i v\u1edbi nhau b\u1eb1ng ch\u00ednh li\u00ean k\u1ebft nh\u1ea3y. \u0110\u00e2y l\u00e0 nh\u1eefng \u0111i\u1ec3m duy nh\u1ea5t m\u00e0 c\u00e1c trung l\u1eadp h\u1ec7 th\u1ed1ng k\u1ebft n\u1ed1i v\u1edbi m\u1eb7t \u0111\u1ea5t.<\/li>\n<li><strong>Subpanels:<\/strong> Trong b\u1ea5t k\u1ef3 \u0111i\u1ec1u khi\u1ec3n ch\u00e1n t\u1eeb b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n ch\u00ednh (m\u1ed9t subpanel), c\u00e1c c\u0103n c\u1ee9 v\u00e0 nh\u1eefng ng\u01b0\u1eddi trung l\u1eadp <strong>ph\u1ea3i \u0111\u01b0\u1ee3c t\u00e1ch bi\u1ec7t<\/strong>. Trung l\u1eadp thanh v\u00e0 \u0111\u1ea5t thanh ph\u1ea3i \u0111\u01b0\u1ee3c t\u00e1ch bi\u1ec7t nhau, c\u00f3 ngh\u0129a l\u00e0 kh\u00f4ng c\u00f3 ch\u00ednh li\u00ean k\u1ebft nh\u1ea3y \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t. L\u00fd do l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1 an to\u00e0n: trung l\u1eadp d\u00e2y l\u00e0 b\u00ecnh th\u01b0\u1eddng tr\u1edf l\u1ea1i con \u0111\u01b0\u1eddng cho hi\u1ec7n t\u1ea1i. N\u1ebfu m\u1eb7t \u0111\u1ea5t v\u00e0 trung l\u1eadp, \u0111\u01b0\u1ee3c li\u00ean k\u1ebft trong m\u1ed9t subpanel, c\u00e1c thi\u1ebft b\u1ecb n\u1ec1n t\u1ea3ng d\u1eabn (d\u00e2y an to\u00e0n) c\u0169ng s\u1ebd tr\u1edf th\u00e0nh m\u1ed9t con \u0111\u01b0\u1eddng cho b\u00ecnh th\u01b0\u1eddng tr\u1edf v\u1ec1 hi\u1ec7n t\u1ea1i. \u0110i\u1ec1u n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 ph\u1ea3n \u0111\u1ed1i hi\u1ec7n t\u1ea1i, v\u00e0 n\u00f3 t\u1ea1o ra m\u1ed9t c\u00fa s\u1ed1c nghi\u00eam tr\u1ecdng nguy hi\u1ec3m, nh\u01b0 kim lo\u1ea1i ph\u1ea7n c\u1ee7a c\u00f4ng c\u1ee5 v\u00e0 thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 tr\u1edf th\u00e0nh tr\u00e0n \u0111\u1ea7y sinh l\u1ef1c trong ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng.<\/li>\n<\/ul>\n<h2>T\u1eebng b\u01b0\u1edbc h\u01b0\u1edbng D\u1eabn C\u00e0i \u0111\u1eb7t<\/h2>\n<div id=\"warning-box\">\n<p><strong>C\u1ea3nh B\u00c1O: l\u00e0m Vi\u1ec7c trong m\u1ed9t b\u1ea3ng \u0111i\u1ec7n l\u00e0 c\u1ef1c k\u1ef3 nguy hi\u1ec3m v\u00e0 c\u00f3 th\u1ec3 g\u00e2y th\u01b0\u01a1ng t\u00edch nghi\u00eam tr\u1ecdng ho\u1eb7c c\u00e1i ch\u1ebft. H\u01b0\u1edbng d\u1eabn n\u00e0y l\u00e0 cho m\u1ee5c \u0111\u00edch th\u00f4ng tin. N\u00f3 khuy\u1ebfn kh\u00edch m\u1ea1nh m\u1ebd \u0111\u1ec3 thu\u00ea m\u1ed9t gi\u1ea5y ph\u00e9p trong ng\u00e0nh \u0111i\u1ec7n cho b\u1ea5t c\u1ee9 l\u00e0m vi\u1ec7c tr\u00ean h\u1ec7 th\u1ed1ng \u0111i\u1ec7n c\u1ee7a b\u1ea1n.<\/strong><\/p>\n<\/div>\n<ol>\n<li><strong>An To\u00e0n V\u00e0 Chu\u1ea9n B\u1ecb:<\/strong>\n<ul>\n<li>T\u1eaft ch\u00ednh ng\u1eaft \u0111\u1ec3 de-n\u0103ng l\u01b0\u1ee3ng cho to\u00e0n b\u1ed9 \u0111i\u1ec1u khi\u1ec3n.<\/li>\n<li>B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng m\u1ed9t \u0111\u00e1ng tin c\u1eady \u00e1p th\u1eed, <strong>x\u00e1c minh<\/strong> \u0111\u00f3 l\u00e0 kh\u00f4ng c\u00f3 quy\u1ec1n l\u1ef1c ch\u00ednh quai v\u00e0 thanh xe bu\u00fdt b\u00ean b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n.<\/li>\n<li>M\u1eb7c th\u00edch h\u1ee3p thi\u1ebft B\u1ecb b\u1ea3o V\u1ec7 Nh\u00e2n (b\u1ea3o h\u1ed9), bao g\u1ed3m k\u00ednh an to\u00e0n v\u00e0 c\u00e1ch nhi\u1ec7t g\u0103ng tay.<\/li>\n<li>Thu th\u1eadp c\u00e1c c\u00f4ng c\u1ee5 c\u1ea7n thi\u1ebft: \u00e1p th\u1eed, khoan, c\u1eaft d\u00e2y\/\u0111\u00e1m c\u01b0\u1edbi v\u00e0 m\u1ed9t \u1ed5 c\u1eafm ho\u1eb7c ch\u00eca kho\u00e1.<\/li>\n<\/ul>\n<\/li>\n<li><strong>C\u00e0i \u0111\u1eb7t n\u1ec1n T\u1ea3ng \u0111i\u1ec7n C\u1ef1c:<\/strong>\n<ul>\n<li>Ch\u1ecdn m\u1ed9t v\u1ecb tr\u00ed g\u1ea7n b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n v\u00e0 l\u00e1i xe 8-ch\u00e2n \u0111\u1ea5t rod v\u00e0o tr\u00e1i \u0111\u1ea5t cho \u0111\u1ebfn khi \u0111\u1ea7u c\u1ee7a n\u00f3 l\u00e0 tu\u00f4n ra v\u1edbi ho\u1eb7c d\u01b0\u1edbi m\u1eb7t \u0111\u1ea5t.<\/li>\n<li>\u0110\u1ea3m b\u1ea3o c\u00e1c g\u1eady \u0111\u01b0\u1ee3c \u00edt nh\u1ea5t 6 feet, t\u1eeb b\u1ea5t k\u1ef3 kh\u00e1c, hi\u1ec7n t\u1ea1i n\u1ec1n t\u1ea3ng \u0111i\u1ec7n c\u1ef1c.<\/li>\n<\/ul>\n<\/li>\n<li><strong>K\u1ebft n\u1ed1i c\u00e1c \u0111i\u1ec7n C\u1ef1c n\u1ec1n T\u1ea3ng D\u1eabn (man u):<\/strong>\n<ul>\n<li>Ch\u1ea1y li\u00ean t\u1ee5c m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c k\u00edch th\u01b0\u1edbc \u0111ua xe (m\u1ed7i \u0110\u01af\u1ee2C ... B\u1ea3ng 250.66) t\u1eeb c\u00e1c \u0111i\u1ec7n c\u1ef1c n\u1ec1n t\u1ea3ng \u0111\u1ec3 b\u1ea3ng \u0111i\u1ec7n ch\u00ednh.<\/li>\n<li>\u0110\u00ednh k\u00e8m \u0111ua xe xu\u1ed1ng \u0111\u1ea5t thanh b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng m\u1ed9t li\u1ec7t k\u00ea s\u1ed3i k\u1eb9p ho\u1eb7c kh\u00e1c \u0111\u01b0\u1ee3c ch\u1ea5p thu\u1eadn tr\u1ef1c ti\u1ebfp-ch\u00f4n c\u1ea5t k\u1ebft n\u1ed1i, \u0111\u1ea3m b\u1ea3o v\u00e0 k\u1ebft n\u1ed1i an to\u00e0n.<\/li>\n<li>Tuy\u1ebfn \u0111\u01b0\u1eddng \u0111ua xe v\u00e0o b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n v\u00e0 k\u1ebft n\u1ed1i n\u00f3 v\u1edbi ch\u00ednh ti\u1ebfp \u0111\u1ea5t thanh. \u0110\u00e2y l\u00e0 bar, m\u1ed9t li\u00ean k\u1ebft tr\u1ef1c ti\u1ebfp v\u1edbi c\u00e1c kim lo\u1ea1i bao v\u00e2y c\u1ee7a b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Bond d\u1ecbch V\u1ee5 B\u1ea3ng:<\/strong>\n<ul>\n<li>Tr\u1ef1c quan x\u00e1c nh\u1eadn r\u1eb1ng ch\u00ednh li\u00ean k\u1ebft nh\u1ea3y (th\u01b0\u1eddng m\u1ed9t m\u00e0u xanh l\u00e1 c\u00e2y v\u00edt ho\u1eb7c m\u1ed9t d\u00e2y \u0111eo kim lo\u1ea1i) \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t v\u00e0 an to\u00e0n k\u1ebft n\u1ed1i trung l\u1eadp thanh \u0111\u1ec3 c\u00e1c n\u1ec1n t\u1ea3ng xe bu\u00fdt bar. Tr\u00e1i phi\u1ebfu n\u00e0y ch\u1ec9 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u1edf d\u1ecbch v\u1ee5 ch\u00ednh b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Ki\u1ec3m tra v\u00e0 ki\u1ec3m tra:<\/strong>\n<ul>\n<li>Khi t\u1ea5t c\u1ea3 k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n v\u00e0 th\u1eaft ch\u1eb7t, m\u1ed9t th\u1ee3 \u0111i\u1ec7n n\u00ean ki\u1ec3m tra h\u1ec7 th\u1ed1ng. \u0110\u00e2y c\u00f3 th\u1ec3 bao g\u1ed3m s\u1eed d\u1ee5ng m\u1ed9t v\u1ea1n \u0111\u1ec3 ki\u1ec3m tra cho vi\u1ec7c li\u00ean t\u1ee5c v\u00e0 m\u1ed9t \u0111\u1ea5t th\u1eed s\u1ee9c \u0111\u1ec1 kh\u00e1ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00e1c k\u1ebft n\u1ed1i \u0111\u1ebfn tr\u00e1i \u0111\u1ea5t \u0111ang theo 25 \u0111\u1ed9.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h2>Sai L\u1ea7m ph\u1ed5 bi\u1ebfn \u0111\u1ec3 Tr\u00e1nh<\/h2>\n<ul>\n<li><strong>Li\u00ean k\u1ebft Trung l\u1eadp v\u00e0 m\u1eb7t \u0110\u1ea5t trong m\u1ed9t Subpanel:<\/strong> \u0110\u00e2y l\u00e0 nguy hi\u1ec3m nh\u1ea5t, v\u00e0 sai l\u1ea7m ph\u1ed5 bi\u1ebfn. N\u00f3 cho ph\u00e9p ng\u01b0\u1eddi b\u00ecnh th\u01b0\u1eddng hi\u1ec7n v\u00e0o h\u1ec7 th\u1ed1ng ti\u1ebfp \u0111\u1ea5t.<\/li>\n<li><strong>B\u1eb1ng C\u00e1ch S\u1eed D\u1ee5ng C\u1edf D\u00e2y D\u1eabn:<\/strong> C\u00e1c \u0111ua xe v\u00e0 EGC ph\u1ea3i \u0111\u01b0\u1ee3c k\u00edch th\u01b0\u1edbc theo \u0110\u01af\u1ee2C ... \u0111\u1ec3 x\u1eed l\u00fd ti\u1ec1m n\u0103ng d\u00f2ng l\u1ed7i.<\/li>\n<li><strong>Kh\u00f4ng \u0110\u1ee7 \u0110\u1ea5t Que S\u00e2u:<\/strong> Thanh ph\u1ea3i c\u00f3 \u00edt nh\u1ea5t 8 feet ti\u1ebfp x\u00fac v\u1edbi tr\u00e1i \u0111\u1ea5t c\u00f3 hi\u1ec7u qu\u1ea3.<\/li>\n<li><strong>B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u1ed1t Th\u00e9p nh\u01b0 m\u1ed9t c\u00e2y G\u1eady m\u1eb7t \u0110\u1ea5t:<\/strong> C\u00e1c \u0110\u01af\u1ee2C ... m\u1ed9t c\u00e1ch r\u00f5 r\u00e0ng c\u1ea5m s\u1eed d\u1ee5ng c\u1ed1t th\u00e9p (th\u00e9p) nh\u01b0 m\u1ed9t n\u1ec1n t\u1ea3ng \u0111i\u1ec7n c\u1ef1c b\u1edfi v\u00ec n\u00f3 g\u1ec9 s\u1eaft nhanh ch\u00f3ng v\u00e0 kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t tin \u0111\u00e1ng tin c\u1eady d\u1eabn.<\/li>\n<li><strong>M\u1ea5t K\u1ebft N\u1ed1i:<\/strong> T\u1ea5t c\u1ea3 k\u1eb9p v\u00e0 thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i v\u00edt ph\u1ea3i \u0111\u01b0\u1ee3c th\u1eaft ch\u1eb7t an to\u00e0n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u00e1ng tin c\u1eady, th\u1ea5p-kh\u00e1ng con \u0111\u01b0\u1eddng.<\/li>\n<\/ul>\n<h2>K\u1ebft lu\u1eadn<\/h2>\n<p>M\u1ed9t \u0111\u00fang c\u00e0i \u0111\u1eb7t n\u1ec1n t\u1ea3ng h\u1ec7 th\u1ed1ng l\u00e0 n\u1ec1n t\u1ea3ng c\u1ee7a \u0111i\u1ec7n an to\u00e0n. \u0110\u00f3 l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng ph\u1ee9c t\u1ea1p m\u00e0 m\u1ed7i ph\u1ea7n\u2014t\u1eeb m\u1eb7t \u0111\u1ea5t que \u0111\u1ec3 li\u00ean k\u1ebft nh\u1ea3y v\u00e0o c\u00e1c thi\u1ebft b\u1ecb d\u00e2y \u0111\u1ea5t\u2014\u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng. Tu\u00e2n th\u1ee7 Lu\u1eadt \u0110i\u1ec7n Qu\u1ed1c gia kh\u00f4ng ph\u1ea3i ch\u1ec9 l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1 c\u1ee7a s\u1ef1 tu\u00e2n th\u1ee7, \u0111\u00f3 l\u00e0 m\u1ed9t quan tr\u1ecdng th\u1ef1c h\u00e0nh \u0111\u1ec3 b\u1ea3o v\u1ec7 nh\u1eefng ng\u01b0\u1eddi v\u00e0 t\u00e0i s\u1ea3n t\u1eeb \u0111i\u1ec7n nguy hi\u1ec3m. \u0110\u01b0a ra nh\u1eefng r\u1ee7i ro v\u00e0 y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt, lu\u00f4n lu\u00f4n h\u1ecfi \u00fd ki\u1ebfn v\u1edbi ho\u1eb7c thu\u00ea m\u1ed9t chuy\u00ean v\u00e0 gi\u1ea5y ph\u00e9p trong ng\u00e0nh \u0111i\u1ec7n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o nh\u00e0 b\u1ea1n c\u1ee7a h\u1ec7 th\u1ed1ng \u0111i\u1ec7n an to\u00e0n v\u00e0 ch\u00ednh x\u00e1c c\u0103n c\u1ee9.<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Properly grounding an electrical panel is one of the most critical safety measures in any home&#8217;s electrical system. It is a non-negotiable requirement for protecting against severe electrical shocks, preventing electrical fires, and safeguarding sensitive electronics from power surges. By creating a safe, direct path for excess or fault-related electricity to flow into the earth, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":20118,"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-20110","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/posts\/20110","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/comments?post=20110"}],"version-history":[{"count":3,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/posts\/20110\/revisions"}],"predecessor-version":[{"id":20117,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/posts\/20110\/revisions\/20117"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/media\/20118"}],"wp:attachment":[{"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/media?parent=20110"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/categories?post=20110"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/test.viox.com\/vi\/wp-json\/wp\/v2\/tags?post=20110"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}