{"id":6969,"date":"2022-08-29T14:30:32","date_gmt":"2022-08-29T14:30:32","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=6969"},"modified":"2022-08-29T14:30:32","modified_gmt":"2022-08-29T14:30:32","slug":"how-to-test-electrical-outlets-for-grounding-a-comprehensive-guide","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/vi\/science\/electrical-engineering\/how-to-test-electrical-outlets-for-grounding-a-comprehensive-guide\/","title":{"rendered":"C\u00e1ch ki\u1ec3m tra \u1ed5 c\u1eafm \u0111i\u1ec7n c\u00f3 ti\u1ebfp \u0111\u1ecba: H\u01b0\u1edbng d\u1eabn chi ti\u1ebft"},"content":{"rendered":"<h2 class=\"wp-block-heading\">C\u00e1ch ki\u1ec3m tra \u1ed5 c\u1eafm \u0111i\u1ec7n c\u00f3 ti\u1ebfp \u0111\u1ecba hay kh\u00f4ng: H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n<\/h2>\n\n<h3 class=\"wp-block-heading\">Hi\u1ec3u v\u1ec1 ti\u1ebfp \u0111\u1ecba v\u00e0 t\u1ea7m quan tr\u1ecdng c\u1ee7a n\u00f3<\/h3>\n\n<p>Ti\u1ebfp \u0111\u1ecba l\u00e0 m\u1ed9t t\u00ednh n\u0103ng an to\u00e0n quan tr\u1ecdng trong c\u00e1c h\u1ec7 th\u1ed1ng \u0111i\u1ec7n \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 chuy\u1ec3n h\u01b0\u1edbng d\u00f2ng \u0111i\u1ec7n d\u01b0 th\u1eeba v\u00e0o l\u00f2ng \u0111\u1ea5t trong tr\u01b0\u1eddng h\u1ee3p \u0111o\u1ea3n m\u1ea1ch ho\u1eb7c qu\u00e1 \u00e1p. \u0110i\u1ec1u n\u00e0y gi\u00fap ng\u0103n ng\u1eeba \u0111i\u1ec7n gi\u1eadt, h\u1ecfa ho\u1ea1n v\u00e0 h\u01b0 h\u1ecfng thi\u1ebft b\u1ecb. C\u00e1c \u1ed5 c\u1eafm \u0111i\u1ec7n n\u00ean \u0111\u01b0\u1ee3c ti\u1ebfp \u0111\u1ecba \u0111\u00fang c\u00e1ch \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n cho ng\u00f4i nh\u00e0 v\u00e0 nh\u1eefng ng\u01b0\u1eddi c\u01b0 ng\u1ee5.<\/p>\n\n<h3 class=\"wp-block-heading\">D\u1ee5ng c\u1ee5 ki\u1ec3m tra m\u1ea1ch neon: C\u00f4ng c\u1ee5 ti\u1ec7n d\u1ee5ng \u0111\u1ec3 ki\u1ec3m tra ti\u1ebfp \u0111\u1ecba<\/h3>\n\n<p>D\u1ee5ng c\u1ee5 ki\u1ec3m tra m\u1ea1ch neon l\u00e0 c\u00f4ng c\u1ee5 gi\u00e1 r\u1ebb v\u00e0 d\u1ec5 s\u1eed d\u1ee5ng c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n ki\u1ec3m tra \u1ed5 c\u1eafm \u0111i\u1ec7n c\u00f3 ti\u1ebfp \u0111\u1ecba hay kh\u00f4ng. D\u1ee5ng c\u1ee5 n\u00e0y bao g\u1ed3m hai \u0111\u1ea7u d\u00f2: \u0111\u1ea7u d\u00f2 m\u00e0u \u0111\u1ecf (pha) v\u00e0 \u0111\u1ea7u d\u00f2 m\u00e0u \u0111en (trung t\u00ednh). Khi c\u00e1c \u0111\u1ea7u d\u00f2 ti\u1ebfp x\u00fac v\u1edbi m\u1ea1ch \u0111i\u1ec7n tr\u1ef1c ti\u1ebfp, \u0111\u00e8n neon c\u1ee7a d\u1ee5ng c\u1ee5 ki\u1ec3m tra s\u1ebd s\u00e1ng l\u00ean.<\/p>\n\n<h3 class=\"wp-block-heading\">Ki\u1ec3m tra \u1ed5 c\u1eafm ph\u00e2n c\u1ef1c 2 khe<\/h3>\n\n<h2 class=\"wp-block-heading\">B\u01b0\u1edbc 1: Ki\u1ec3m tra ngu\u1ed3n \u0111i\u1ec7n<\/h2>\n\n<ul class=\"wp-block-list\">\n<li>C\u1eafm \u0111\u1ea7u d\u00f2 m\u00e0u \u0111\u1ecf v\u00e0o khe nh\u1ecf h\u01a1n (h\u1eb9p h\u01a1n) v\u00e0 \u0111\u1ea7u d\u00f2 m\u00e0u \u0111en v\u00e0o khe l\u1edbn h\u01a1n (r\u1ed9ng h\u01a1n).<\/li>\n<li>N\u1ebfu d\u1ee5ng c\u1ee5 ki\u1ec3m tra s\u00e1ng, \u1ed5 c\u1eafm c\u00f3 ngu\u1ed3n \u0111i\u1ec7n.<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">B\u01b0\u1edbc 2: Ki\u1ec3m tra ti\u1ebfp \u0111\u1ecba<\/h2>\n\n<ul class=\"wp-block-list\">\n<li>R\u00fat \u0111\u1ea7u d\u00f2 m\u00e0u \u0111en ra kh\u1ecfi khe l\u1edbn h\u01a1n v\u00e0 ch\u1ea1m \u0111\u1ea7u d\u00f2 n\u00e0y v\u00e0o v\u00edt \u1edf gi\u1eefa t\u1ea5m \u1ed1p.<\/li>\n<li>N\u1ebfu d\u1ee5ng c\u1ee5 ki\u1ec3m tra s\u00e1ng, \u1ed5 c\u1eafm \u0111\u01b0\u1ee3c ti\u1ebfp \u0111\u1ecba \u0111\u00fang c\u00e1ch.<\/li>\n<li>N\u1ebfu kh\u00f4ng, h\u00e3y chuy\u1ec3n sang B\u01b0\u1edbc 3.<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">B\u01b0\u1edbc 3: Ki\u1ec3m tra xem d\u00e2y c\u00f3 b\u1ecb \u0111\u1ea3o ng\u01b0\u1ee3c kh\u00f4ng<\/h2>\n\n<ul class=\"wp-block-list\">\n<li>C\u1eafm \u0111\u1ea7u d\u00f2 m\u00e0u \u0111en v\u00e0o khe l\u1edbn h\u01a1n (trung t\u00ednh) v\u00e0 ch\u1ea1m \u0111\u1ea7u d\u00f2 m\u00e0u \u0111\u1ecf v\u00e0o v\u00edt gi\u1eefa.<\/li>\n<li>N\u1ebfu d\u1ee5ng c\u1ee5 ki\u1ec3m tra s\u00e1ng, h\u1ec7 th\u1ed1ng d\u00e2y \u0111i\u1ec7n \u0111\u00e3 b\u1ecb \u0111\u1ea3o ng\u01b0\u1ee3c. \u0110\u1ea3o ng\u01b0\u1ee3c c\u00e1c k\u1ebft n\u1ed1i \u0111\u1ea7u n\u1ed1i v\u00edt \u0111\u1ec3 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 n\u00e0y.<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">B\u01b0\u1edbc 4: Ki\u1ec3m tra xem c\u00f3 b\u1ecb m\u1ea5t ti\u1ebfp \u0111\u1ecba kh\u00f4ng<\/h2>\n\n<ul class=\"wp-block-list\">\n<li>Ch\u1ea1m \u0111\u1ea7u d\u00f2 m\u00e0u \u0111en v\u00e0o v\u00edt gi\u1eefa v\u00e0 c\u1eafm \u0111\u1ea7u d\u00f2 m\u00e0u \u0111\u1ecf v\u00e0o m\u1ed7i khe c\u00f2n l\u1ea1i (khe nh\u1ecf v\u00e0 khe l\u1edbn).<\/li>\n<li>N\u1ebfu d\u1ee5ng c\u1ee5 ki\u1ec3m tra kh\u00f4ng s\u00e1ng \u0111\u1ed1i v\u1edbi b\u1ea5t k\u1ef3 khe n\u00e0o, \u1ed5 c\u1eafm kh\u00f4ng \u0111\u01b0\u1ee3c ti\u1ebfp \u0111\u1ecba. Tr\u01b0\u1eddng h\u1ee3p n\u00e0y c\u00f3 th\u1ec3 c\u1ea7n s\u1ef1 h\u1ed7 tr\u1ee3 c\u1ee7a chuy\u00ean gia.<\/li>\n<\/ul>\n\n<h3 class=\"wp-block-heading\">Ki\u1ec3m tra \u1ed5 c\u1eafm c\u00f3 ti\u1ebfp \u0111\u1ecba 3 khe<\/h3>\n\n<h2 class=\"wp-block-heading\">B\u01b0\u1edbc 1: Ki\u1ec3m tra ngu\u1ed3n \u0111i\u1ec7n<\/h2>\n\n<ul class=\"wp-block-list\">\n<li>C\u1eafm \u0111\u1ea7u d\u00f2 m\u00e0u \u0111\u1ecf v\u00e0o khe nh\u1ecf h\u01a1n (pha) v\u00e0 \u0111\u1ea7u d\u00f2 m\u00e0u \u0111en v\u00e0o khe l\u1edbn h\u01a1n (trung t\u00ednh).<\/li>\n<li>N\u1ebfu d\u1ee5ng c\u1ee5 ki\u1ec3m tra s\u00e1ng, \u1ed5 c\u1eafm c\u00f3 ngu\u1ed3n \u0111i\u1ec7n.<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">B\u01b0\u1edbc 2: Ki\u1ec3m tra ti\u1ebfp \u0111\u1ecba<\/h2>\n\n<ul class=\"wp-block-list\">\n<li>R\u00fat \u0111\u1ea7u d\u00f2 m\u00e0u \u0111en ra kh\u1ecfi khe l\u1edbn h\u01a1n v\u00e0 ch\u1ea1m \u0111\u1ea7u d\u00f2 n\u00e0y v\u00e0o v\u00edt \u1edf gi\u1eefa t\u1ea5m \u1ed1p.<\/li>\n<li>N\u1ebfu d\u1ee5ng c\u1ee5 ki\u1ec3m tra s\u00e1ng, \u1ed5 c\u1eafm \u0111\u01b0\u1ee3c ti\u1ebfp \u0111\u1ecba \u0111\u00fang c\u00e1ch.<\/li>\n<li>N\u1ebfu kh\u00f4ng, h\u00e3y chuy\u1ec3n sang B\u01b0\u1edbc 3.<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">B\u01b0\u1edbc 3: Ki\u1ec3m tra xem d\u00e2y c\u00f3 b\u1ecb \u0111\u1ea3o ng\u01b0\u1ee3c kh\u00f4ng<\/h2>\n\n<ul class=\"wp-block-list\">\n<li>C\u1eafm \u0111\u1ea7u d\u00f2 m\u00e0u \u0111en v\u00e0o khe l\u1edbn h\u01a1n (trung t\u00ednh) v\u00e0 ch\u1ea1m \u0111\u1ea7u d\u00f2 m\u00e0u \u0111\u1ecf v\u00e0o v\u00edt gi\u1eefa.<\/li>\n<li>N\u1ebfu d\u1ee5ng c\u1ee5 ki\u1ec3m tra s\u00e1ng, h\u1ec7 th\u1ed1ng d\u00e2y \u0111i\u1ec7n \u0111\u00e3 b\u1ecb \u0111\u1ea3o ng\u01b0\u1ee3c. \u0110\u1ea3o ng\u01b0\u1ee3c c\u00e1c k\u1ebft n\u1ed1i \u0111\u1ea7u n\u1ed1i v\u00edt \u0111\u1ec3 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 n\u00e0y.<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">B\u01b0\u1edbc 4: Ki\u1ec3m tra xem c\u00f3 b\u1ecb m\u1ea5t ti\u1ebfp \u0111\u1ecba kh\u00f4ng<\/h2>\n\n<ul class=\"wp-block-list\">\n<li>Ch\u1ea1m \u0111\u1ea7u d\u00f2 m\u00e0u \u0111en v\u00e0o l\u1ed7 tr\u00f2n v\u00e0 c\u1eafm \u0111\u1ea7u d\u00f2 m\u00e0u \u0111\u1ecf v\u00e0o hai khe d\u1ecdc (khe nh\u1ecf v\u00e0 khe l\u1edbn).<\/li>\n<li>N\u1ebfu d\u1ee5ng c\u1ee5 ki\u1ec3m tra kh\u00f4ng s\u00e1ng \u0111\u1ed1i v\u1edbi b\u1ea5t k\u1ef3 khe n\u00e0o, \u1ed5 c\u1eafm kh\u00f4ng \u0111\u01b0\u1ee3c ti\u1ebfp \u0111\u1ecba. Tr\u01b0\u1eddng h\u1ee3p n\u00e0y c\u00f3 th\u1ec3 c\u1ea7n s\u1ef1 h\u1ed7 tr\u1ee3 c\u1ee7a chuy\u00ean gia.<\/li>\n<\/ul>\n\n<h3 class=\"wp-block-heading\">X\u1eed l\u00fd s\u1ef1 c\u1ed1 m\u1ea5t ngu\u1ed3n \u0111i\u1ec7n<\/h3>\n\n<p>N\u1ebfu \u1ed5 c\u1eafm kh\u00f4ng c\u00f3 ngu\u1ed3n \u0111i\u1ec7n, nh\u1eefng nguy\u00ean nh\u00e2n c\u00f3 th\u1ec3 x\u1ea3y ra bao g\u1ed3m:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>K\u1ebft n\u1ed1i l\u1ecfng l\u1ebbo t\u1ea1i \u1ed5 c\u1eafm<\/li>\n<li>D\u00e2y \u0111i\u1ec7n b\u1ecb h\u1ecfng<\/li>\n<li>C\u1ea7u dao t\u1ef1 \u0111\u1ed9ng ng\u1eaft ho\u1eb7c c\u1ea7u ch\u00ec b\u1ecb ch\u00e1y<\/li>\n<li>Thi\u1ebft b\u1ecb b\u1ecb l\u1ed7i g\u00e2y ra \u0111o\u1ea3n m\u1ea1ch ho\u1eb7c h\u1edf m\u1ea1ch<\/li>\n<\/ul>\n\n<h3 class=\"wp-block-heading\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h3>\n\n<h2 class=\"wp-block-heading\">\u0110i\u1ec7n tr\u1edf cao \u0111\u1ed1i v\u1edbi ti\u1ebfp \u0111\u1ecba l\u00e0 bao nhi\u00eau?<\/h2>\n\n<p>D\u01b0\u1edbi 5 \u00f4m l\u00e0 ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c, m\u1eb7c d\u00f9 gi\u00e1 tr\u1ecb mong mu\u1ed1n l\u00e0 kh\u00f4ng.<\/p>\n\n<h2 class=\"wp-block-heading\">Ti\u1ebfp \u0111\u1ecba c\u00f3 b\u1eb1ng kh\u00f4ng v\u00f4n kh\u00f4ng?<\/h2>\n\n<p>\u0110\u00fang v\u1eady, c\u00e1c gi\u00e1 tr\u1ecb \u0111o ti\u1ebfp \u0111\u1ecba trong c\u00e1c d\u1ef1 \u00e1n \u0111i\u1ec7n ph\u1ea3i b\u1eb1ng kh\u00f4ng v\u00f4n.<\/p>\n\n<h2 class=\"wp-block-heading\">C\u00f3 d\u00f2ng \u0111i\u1ec7n ch\u1ea1y trong d\u00e2y ti\u1ebfp \u0111\u1ecba kh\u00f4ng?<\/h2>\n\n<p>Kh\u00f4ng, d\u00e2y ti\u1ebfp \u0111\u1ecba \u0111\u01b0\u1ee3c n\u1ed1i \u0111\u00fang c\u00e1ch s\u1ebd kh\u00f4ng d\u1eabn d\u00f2ng \u0111i\u1ec7n. D\u00e2y n\u00e0y \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 chuy\u1ec3n h\u01b0\u1edbng d\u00f2ng \u0111i\u1ec7n v\u00e0o l\u00f2ng \u0111\u1ea5t trong tr\u01b0\u1eddng h\u1ee3p \u0111o\u1ea3n m\u1ea1ch.<\/p>","protected":false},"excerpt":{"rendered":"<p>C\u00e1ch ki\u1ec3m tra \u1ed5 c\u1eafm \u0111i\u1ec7n c\u00f3 ti\u1ebfp \u0111\u1ecba hay kh\u00f4ng: H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n Hi\u1ec3u v\u1ec1 ti\u1ebfp \u0111\u1ecba v\u00e0 t\u1ea7m quan tr\u1ecdng c\u1ee7a n\u00f3 Ti\u1ebfp \u0111\u1ecba l\u00e0 m\u1ed9t t\u00ednh&hellip;<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10160],"tags":[8840,8880,11435,1761,10243],"class_list":["post-6969","post","type-post","status-publish","format-standard","hentry","category-electrical-engineering","tag-electrical-safety","tag-home-maintenance","tag-neon-circuit-tester","tag-diy","tag-grounding"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/6969","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/comments?post=6969"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/6969\/revisions"}],"predecessor-version":[{"id":6970,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/6969\/revisions\/6970"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media?parent=6969"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/categories?post=6969"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/tags?post=6969"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}