{"id":8609,"date":"2019-04-08T20:24:48","date_gmt":"2019-04-08T20:24:48","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=8609"},"modified":"2019-04-08T20:24:48","modified_gmt":"2019-04-08T20:24:48","slug":"how-to-wire-a-4-way-switch-and-brighten-a-dark-room","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/vi\/science\/electrical-engineering\/how-to-wire-a-4-way-switch-and-brighten-a-dark-room\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn \u0111\u1ea5u n\u1ed1i c\u00f4ng t\u1eafc 4 chi\u1ec1u: B\u00ed quy\u1ebft c\u1ea3i thi\u1ec7n \u0111\u1ed9 s\u00e1ng cho ng\u00f4i nh\u00e0 b\u1ea1n"},"content":{"rendered":"<h2 class=\"wp-block-heading\">H\u01b0\u1edbng d\u1eabn \u0111\u1ea5u n\u1ed1i c\u00f4ng t\u1eafc 4 chi\u1ec1u v\u00e0 c\u1ea3i thi\u1ec7n \u0111\u1ed9 s\u00e1ng c\u1ee7a ph\u00f2ng<\/h2>\n\n<h3 class=\"wp-block-heading\">T\u1ed5ng quan<\/h3>\n\n<p>\u0110\u1ea5u n\u1ed1i c\u00f4ng t\u1eafc 4 chi\u1ec1u cho ph\u00e9p b\u1ea1n \u0111i\u1ec1u khi\u1ec3n m\u1ed9t thi\u1ebft b\u1ecb chi\u1ebfu s\u00e1ng duy nh\u1ea5t t\u1eeb nhi\u1ec1u v\u1ecb tr\u00ed, gi\u00fap t\u0103ng c\u01b0\u1eddng s\u1ef1 ti\u1ec7n l\u1ee3i v\u00e0 linh ho\u1ea1t. H\u01b0\u1edbng d\u1eabn n\u00e0y cung c\u1ea5p h\u01b0\u1edbng d\u1eabn chi ti\u1ebft v\u1ec1 quy tr\u00ecnh n\u00e0y, ph\u00f9 h\u1ee3p v\u1edbi nh\u1eefng ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u c\u00f3 bi\u1ec7n ph\u00e1p an to\u00e0n th\u00edch h\u1ee3p.<\/p>\n\n<h3 class=\"wp-block-heading\">An to\u00e0n l\u00e0 tr\u00ean h\u1ebft<\/h3>\n\n<ul class=\"wp-block-list\">\n<li><strong>T\u1eaft c\u1ea7u dao<\/strong> \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi m\u1ea1ch c\u00f4ng t\u1eafc \u0111\u00e8n.<\/li>\n<li><strong>Ki\u1ec3m tra ngu\u1ed3n \u0111i\u1ec7n<\/strong> b\u1eb1ng b\u00fat th\u1eed \u0111i\u1ec7n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ngu\u1ed3n \u0111i\u1ec7n \u0111\u00e3 ng\u1eaft.<\/li>\n<li><strong>\u0110eo g\u0103ng tay c\u00e1ch \u0111i\u1ec7n<\/strong> \u0111\u1ec3 tr\u00e1nh b\u1ecb \u0111i\u1ec7n gi\u1eadt.<\/li>\n<li><strong>Ch\u1ee5p \u1ea3nh<\/strong> trong su\u1ed1t qu\u00e1 tr\u00ecnh \u0111\u1ea5u n\u1ed1i \u0111\u1ec3 d\u1ec5 tham kh\u1ea3o.<\/li>\n<li><strong>T\u00ecm hi\u1ec3u v\u1ec1 \u0111\u1ecbnh m\u1ee9c m\u1ea1ch<\/strong> v\u00e0 \u0111\u1ea3m b\u1ea3o h\u1ec7 th\u1ed1ng d\u00e2y \u0111i\u1ec7n ph\u00f9 h\u1ee3p d\u1ef1a tr\u00ean \u0111\u1ecbnh m\u1ee9c \u0111\u00f3.<\/li>\n<\/ul>\n\n<h3 class=\"wp-block-heading\">V\u1eadt li\u1ec7u v\u00e0 c\u00f4ng c\u1ee5<\/h3>\n\n<h2 class=\"wp-block-heading\">Thi\u1ebft b\u1ecb\/C\u00f4ng c\u1ee5:<\/h2>\n\n<ul class=\"wp-block-list\">\n<li>K\u00ecm c\u1eaft \u0111i\u1ec7n<\/li>\n<li>B\u1ed9 tua v\u00edt<\/li>\n<li>Dao ti\u1ec7n \u00edch<\/li>\n<li>K\u00ecm tu\u1ed1t d\u00e2y<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">V\u1eadt li\u1ec7u:<\/h2>\n\n<ul class=\"wp-block-list\">\n<li>D\u00e2y \u0111i\u1ec7n c\u00f3 v\u1ecf b\u1ecdc kh\u00f4ng b\u1eb1ng kim lo\u1ea1i c\u00f3\u63a5\u5730<\/li>\n<li>2 c\u00f4ng t\u1eafc 3 chi\u1ec1u<\/li>\n<li>C\u00f4ng t\u1eafc 4 chi\u1ec1u<\/li>\n<li>B\u0103ng \u0111i\u1ec7n<\/li>\n<li>3 h\u1ed9p \u0111i\u1ec7n \u0111\u01a1n<\/li>\n<li>\u0110\u1ea7u n\u1ed1i d\u00e2y<\/li>\n<\/ul>\n\n<h3 class=\"wp-block-heading\">H\u01b0\u1edbng d\u1eabn<\/h3>\n\n<h4 class=\"wp-block-heading\">1. Lu\u1ed3n d\u00e2y \u0111\u1ebfn v\u1ecb tr\u00ed c\u00f4ng t\u1eafc<\/h4>\n\n<ul class=\"wp-block-list\">\n<li>X\u00e1c minh r\u1eb1ng ngu\u1ed3n \u0111i\u1ec7n \u0111\u00e3 \u0111\u01b0\u1ee3c ng\u1eaft t\u1ea1i c\u1ea7u dao.<\/li>\n<li>Lu\u1ed3n d\u00e2y \u0111\u1ebfn v\u1ecb tr\u00ed c\u00f4ng t\u1eafc, \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00f4ng t\u1eafc 4 chi\u1ec1u \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t gi\u1eefa hai c\u00f4ng t\u1eafc 3 chi\u1ec1u.<\/li>\n<li>Lu\u1ed3n d\u00e2y m\u00e0u \u0111en, tr\u1eafng v\u00e0 d\u00e2y ti\u1ebfp \u0111\u1ea5t t\u1eeb b\u1ea3ng \u0111i\u1ec7n \u0111\u1ebfn c\u00f4ng t\u1eafc 3 chi\u1ec1u \u0111\u1ea7u ti\u00ean.<\/li>\n<li>Lu\u1ed3n d\u00e2y m\u00e0u \u0111en, \u0111\u1ecf, tr\u1eafng v\u00e0 d\u00e2y ti\u1ebfp \u0111\u1ea5t t\u1eeb c\u00f4ng t\u1eafc 3 chi\u1ec1u \u0111\u1ea7u ti\u00ean \u0111\u1ebfn c\u00f4ng t\u1eafc 4 chi\u1ec1u.<\/li>\n<li>Lu\u1ed3n d\u00e2y m\u00e0u \u0111en, \u0111\u1ecf, tr\u1eafng v\u00e0 d\u00e2y ti\u1ebfp \u0111\u1ea5t t\u1eeb c\u00f4ng t\u1eafc 4 chi\u1ec1u \u0111\u1ebfn c\u00f4ng t\u1eafc 3 chi\u1ec1u th\u1ee9 hai.<\/li>\n<li>Lu\u1ed3n d\u00e2y m\u00e0u \u0111en, tr\u1eafng v\u00e0 d\u00e2y ti\u1ebfp \u0111\u1ea5t t\u1eeb c\u00f4ng t\u1eafc 3 chi\u1ec1u th\u1ee9 hai \u0111\u1ebfn thi\u1ebft b\u1ecb chi\u1ebfu s\u00e1ng.<\/li>\n<\/ul>\n\n<h4 class=\"wp-block-heading\">2. Chu\u1ea9n b\u1ecb d\u00e2y \u0111i\u1ec7n<\/h4>\n\n<ul class=\"wp-block-list\">\n<li>C\u1eaft ba \u0111o\u1ea1n d\u00e2y ti\u1ebfp \u0111\u1ea5t b\u1eb1ng \u0111\u1ed3ng d\u00e0i s\u00e1u inch \u0111\u1ec3 l\u00e0m d\u00e2y n\u1ed1i \u0111\u1ea5t.<\/li>\n<li>Th\u00e1o v\u1ecf b\u1ecdc b\u1ea3o v\u1ec7 kh\u1ecfi d\u00e2y, \u0111\u1ec3 l\u1ea1i \u00edt nh\u1ea5t s\u00e1u inch d\u00e2y trong m\u1ed7i h\u1ed9p c\u00f4ng t\u1eafc.<\/li>\n<\/ul>\n\n<h4 class=\"wp-block-heading\">3. N\u1ed1i d\u00e2y ti\u1ebfp \u0111\u1ea5t<\/h4>\n\n<ul class=\"wp-block-list\">\n<li>Xo\u1eafn hai d\u00e2y ti\u1ebfp \u0111\u1ea5t tr\u1ea7n trong m\u1ed7i h\u1ed9p c\u00f4ng t\u1eafc v\u1edbi m\u1ed9t d\u00e2y n\u1ed1i \u0111\u1ea5t.<\/li>\n<li>Si\u1ebft ch\u1eb7t m\u1ed1i n\u1ed1i b\u1eb1ng \u0111\u1ea7u n\u1ed1i d\u00e2y.<\/li>\n<li>Qu\u1ea5n \u0111\u1ea7u d\u00e2y c\u00f2n l\u1ea1i quanh \u0111\u1ea7u n\u1ed1i v\u00edt m\u00e0u xanh l\u00e1 c\u00e2y v\u00e0 si\u1ebft ch\u1eb7t.<\/li>\n<li>L\u1eb7p l\u1ea1i thao t\u00e1c n\u00e0y v\u1edbi c\u1ea3 ba h\u1ed9p c\u00f4ng t\u1eafc.<\/li>\n<\/ul>\n\n<h4 class=\"wp-block-heading\">4. \u0110\u1ea5u n\u1ed1i c\u00f4ng t\u1eafc 3 chi\u1ec1u \u0111\u1ea7u ti\u00ean<\/h4>\n\n<ul class=\"wp-block-list\">\n<li>N\u1ed1i c\u00e1c d\u00e2y trung t\u00ednh m\u00e0u tr\u1eafng v\u1edbi nhau b\u1eb1ng \u0111\u1ea7u n\u1ed1i d\u00e2y.<\/li>\n<li>N\u1ed1i d\u00e2y \u0111en ngu\u1ed3n v\u00e0o t\u1eeb b\u1ea3ng \u0111i\u1ec7n v\u1edbi \u0111\u1ea7u n\u1ed1i v\u00edt m\u00e0u \u0111en ho\u1eb7c \u0111\u1ea7u n\u1ed1i chung.<\/li>\n<li>N\u1ed1i d\u00e2y ngu\u1ed3n m\u00e0u \u0111en v\u00e0 d\u00e2y ngu\u1ed3n m\u00e0u \u0111\u1ecf v\u1edbi c\u00e1c \u0111\u1ea7u n\u1ed1i v\u00edt c\u00f2n l\u1ea1i.<\/li>\n<\/ul>\n\n<h4 class=\"wp-block-heading\">5. \u0110\u1ea5u n\u1ed1i c\u00f4ng t\u1eafc 4 chi\u1ec1u<\/h4>\n\n<ul class=\"wp-block-list\">\n<li>N\u1ed1i c\u00e1c d\u00e2y trung t\u00ednh m\u00e0u tr\u1eafng v\u1edbi nhau.<\/li>\n<li>N\u1ed1i d\u00e2y ngu\u1ed3n m\u00e0u \u0111en v\u00e0 \u0111\u1ecf t\u1eeb c\u00f4ng t\u1eafc 3 chi\u1ec1u \u0111\u1ea7u ti\u00ean v\u00e0o c\u00e1c \u0111\u1ea7u n\u1ed1i &#8220;\u0111\u1ea7u v\u00e0o&#8221;.<\/li>\n<li>N\u1ed1i d\u00e2y ngu\u1ed3n m\u00e0u \u0111en v\u00e0 \u0111\u1ecf t\u1eeb c\u00f4ng t\u1eafc 3 chi\u1ec1u th\u1ee9 hai v\u00e0o c\u00e1c \u0111\u1ea7u n\u1ed1i &#8220;\u0111\u1ea7u ra&#8221;.<\/li>\n<\/ul>\n\n<h4 class=\"wp-block-heading\">6. \u0110\u1ea5u n\u1ed1i c\u00f4ng t\u1eafc 3 chi\u1ec1u th\u1ee9 hai<\/h4>\n\n<ul class=\"wp-block-list\">\n<li>N\u1ed1i c\u00e1c d\u00e2y trung t\u00ednh m\u00e0u tr\u1eafng v\u1edbi nhau.<\/li>\n<li>N\u1ed1i d\u00e2y \u0111en ngu\u1ed3n ra v\u1edbi \u0111\u1ea7u n\u1ed1i v\u00edt m\u00e0u \u0111en ho\u1eb7c \u0111\u1ea7u n\u1ed1i chung.<\/li>\n<li>N\u1ed1i d\u00e2y ngu\u1ed3n m\u00e0u \u0111en v\u00e0 \u0111\u1ecf v\u1edbi c\u00e1c \u0111\u1ea7u n\u1ed1i v\u00edt c\u00f2n l\u1ea1i.<\/li>\n<\/ul>\n\n<h4 class=\"wp-block-heading\">7. \u0110\u1ea5u n\u1ed1i thi\u1ebft b\u1ecb chi\u1ebfu s\u00e1ng<\/h4>\n\n<ul class=\"wp-block-list\">\n<li>L\u00e0m theo h\u01b0\u1edbng d\u1eabn c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u1ec3 \u0111\u1ea5u n\u1ed1i thi\u1ebft b\u1ecb chi\u1ebfu s\u00e1ng b\u1eb1ng d\u00e2y m\u00e0u \u0111en, tr\u1eafng v\u00e0 d\u00e2y ti\u1ebfp \u0111\u1ea5t.<\/li>\n<li>B\u1eadt ngu\u1ed3n \u0111i\u1ec7n t\u1ea1i c\u1ea7u dao v\u00e0 ki\u1ec3m tra t\u1eebng c\u00f4ng t\u1eafc \u0111\u1ec3 \u0111i\u1ec1u khi\u1ec3n thi\u1ebft b\u1ecb chi\u1ebfu s\u00e1ng.<\/li>\n<li>N\u1ebfu c\u1ea7n, h\u00e3y \u0111\u1ea5u n\u1ed1i d\u00e2y v\u1edbi m\u1ea1ch \u0111i\u1ec7n c\u00f3 s\u1eb5n tr\u00ean b\u1ea3ng \u0111i\u1ec7n. Y\u00eau c\u1ea7u m\u1ed9t th\u1ee3 \u0111i\u1ec7n \u0111\u01b0\u1ee3c c\u1ea5p ph\u00e9p th\u1ef1c hi\u1ec7n b\u01b0\u1edbc n\u00e0y.<\/li>\n<li>\u0110\u1ea9y c\u00f4ng t\u1eafc v\u00e0o h\u1ed9p n\u1ed1i, c\u0103n ch\u1ec9nh v\u00e0 si\u1ebft ch\u1eb7t c\u00e1c v\u00edt l\u1eafp.<\/li>\n<li>L\u1eafp m\u1eb7t c\u00f4ng t\u1eafc \u0111\u1ec3 ho\u00e0n t\u1ea5t vi\u1ec7c l\u1eafp \u0111\u1eb7t.<\/li>\n<\/ul>\n\n<h3 class=\"wp-block-heading\">M\u1eb9o kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1<\/h3>\n\n<p><strong>H: M\u00e0u d\u00e2y c\u1ee7a c\u00f4ng t\u1eafc 4 chi\u1ec1u l\u00e0 g\u00ec?<\/strong>\nTR: Th\u00f4ng th\u01b0\u1eddng l\u00e0 m\u00e0u \u0111en v\u00e0 \u0111\u1ecf cho d\u00e2y ngu\u1ed3n, m\u00e0u tr\u1eafng cho d\u00e2y trung t\u00ednh.<\/p>\n\n<p><strong>H: S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa c\u00f4ng t\u1eafc 3 chi\u1ec1u v\u00e0 c\u00f4ng t\u1eafc 4 chi\u1ec1u l\u00e0 g\u00ec?<\/strong>\nTR: C\u00f4ng t\u1eafc 3 chi\u1ec1u k\u1ebft n\u1ed1i hai c\u00f4ng t\u1eafc \u0111\u00e8n v\u1edbi m\u1ed9t thi\u1ebft b\u1ecb chi\u1ebfu s\u00e1ng, trong khi c\u00f4ng t\u1eafc 4 chi\u1ec1u k\u1ebft n\u1ed1i ba c\u00f4ng t\u1eafc \u0111\u00e8n v\u1edbi m\u1ed9t thi\u1ebft b\u1ecb chi\u1ebfu s\u00e1ng.<\/p>\n\n<p><strong>H: L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 \u0111\u1ea5u n\u1ed1i c\u00f4ng t\u1eafc 4 chi\u1ec1u b\u1eb1ng \u1ed1ng lu\u1ed3n d\u00e2y \u0111i\u1ec7n?<\/strong>\nTR: Lu\u1ed3n d\u00e2y qua \u1ed1ng lu\u1ed3n d\u00e2y v\u00e0 l\u00e0m theo c\u00e1c nguy\u00ean t\u1eafc \u0111\u1ea5u n\u1ed1i t\u01b0\u01a1ng t\u1ef1 nh\u01b0 \u0111\u00e3 n\u00eau trong h\u01b0\u1edbng d\u1eabn n\u00e0y.<\/p>\n\n<h3 class=\"wp-block-heading\">Nh\u1eefng l\u01b0u \u00fd b\u1ed5 sung<\/h3>\n\n<ul class=\"wp-block-list\">\n<li>L\u1eafp \u0111\u1eb7t c\u00f4ng t\u1eafc 4 chi\u1ec1u trong ph\u00f2ng l\u1edbn ho\u1eb7c ph\u00f2ng sinh ho\u1ea1t chung gi\u00fap ki\u1ec3m so\u00e1t chi\u1ebfu s\u00e1ng thu\u1eadn ti\u1ec7n t\u1eeb nhi\u1ec1u l\u1ed1i ra v\u00e0o.<\/li>\n<li>\u0110\u1ec3 c\u00f3 thi\u1ebft k\u1ebf chi\u1ebfu s\u00e1ng t\u1ed1i \u01b0u, h\u00e3y c\u00e2n nh\u1eafc \u0111\u1ebfn s\u1ed1 l\u01b0\u1ee3ng thi\u1ebft b\u1ecb chi\u1ebfu s\u00e1ng v\u00e0 b\u1ea7u kh\u00f4ng kh\u00ed chi\u1ebfu s\u00e1ng mong mu\u1ed1n.<\/li>\n<li>Lu\u00f4n tham kh\u1ea3o c\u00e1c quy t\u1eafc v\u00e0 quy \u0111\u1ecbnh v\u1ec1 \u0111i\u1ec7n c\u1ee7a \u0111\u1ecba ph\u01b0\u01a1ng tr\u01b0\u1edbc khi th\u1ef1c hi\u1ec7n b\u1ea5t k\u1ef3 c\u00f4ng vi\u1ec7c \u0111i\u1ec7n n\u00e0o.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>H\u01b0\u1edbng d\u1eabn \u0111\u1ea5u n\u1ed1i c\u00f4ng t\u1eafc 4 chi\u1ec1u v\u00e0 c\u1ea3i thi\u1ec7n \u0111\u1ed9 s\u00e1ng c\u1ee7a ph\u00f2ng T\u1ed5ng quan \u0110\u1ea5u n\u1ed1i c\u00f4ng t\u1eafc 4 chi\u1ec1u cho ph\u00e9p b\u1ea1n \u0111i\u1ec1u khi\u1ec3n m\u1ed9t thi\u1ebft&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10160],"tags":[8820,9796,10233,1761],"class_list":["post-8609","post","type-post","status-publish","format-standard","hentry","category-electrical-engineering","tag-home-improvement","tag-electrical-wiring","tag-lighting-design","tag-diy"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/8609","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\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/comments?post=8609"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/8609\/revisions"}],"predecessor-version":[{"id":8610,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/8609\/revisions\/8610"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media?parent=8609"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/categories?post=8609"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/tags?post=8609"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}