{"id":30920,"date":"2024-11-07T12:38:24","date_gmt":"2024-11-07T04:38:24","guid":{"rendered":"https:\/\/www.tstcables.com\/day-awg-cap-ul-758-giai-thich-chi-tiet-ve-tieu-chuan-ul758\/"},"modified":"2025-01-04T14:11:56","modified_gmt":"2025-01-04T06:11:56","slug":"day-awg-cap-ul-758-giai-thich-chi-tiet-ve-tieu-chuan-ul758","status":"publish","type":"post","link":"https:\/\/www.tstcables.com\/vi\/day-awg-cap-ul-758-giai-thich-chi-tiet-ve-tieu-chuan-ul758\/","title":{"rendered":"D\u00e2y AWG C\u00e1p UL 758 Gi\u1ea3i th\u00edch chi ti\u1ebft v\u1ec1 Ti\u00eau chu\u1ea9n UL758"},"content":{"rendered":"\n<p>T\u1ea1i sao h\u1ea7u h\u1ebft c\u00e1c lo\u1ea1i c\u00e1p gia d\u1ee5ng v\u00e0 th\u01b0\u01a1ng m\u1ea1i \u0111\u1ec1u tu\u00e2n theo ti\u00eau chu\u1ea9n UL 758? Nh\u1eefng ng\u00e0nh n\u00e0o ph\u00f9 h\u1ee3p v\u1edbi c\u00e1p UL758? TST CABLES s\u1ebd chia s\u1ebb v\u00e0 t\u00f3m t\u1eaft v\u1edbi b\u1ea1n.  <\/p>\n\n<figure class=\"wp-block-image alignleft size-full is-resized\"><a href=\"https:\/\/www.tstcables.com\/product-category\/product-by-standard\/ul-cable\/\"><img fetchpriority=\"high\" decoding=\"async\" width=\"350\" height=\"350\" src=\"https:\/\/www.tstcables.com\/wp-content\/uploads\/2024\/11\/92480669d3fbe91d.jpg\" alt=\"\" class=\"wp-image-24945\" style=\"width:350px;height:auto\" srcset=\"https:\/\/www.tstcables.com\/wp-content\/uploads\/2024\/11\/92480669d3fbe91d.jpg 350w, https:\/\/www.tstcables.com\/wp-content\/uploads\/2024\/11\/92480669d3fbe91d-300x300.jpg 300w, https:\/\/www.tstcables.com\/wp-content\/uploads\/2024\/11\/92480669d3fbe91d-150x150.jpg 150w, https:\/\/www.tstcables.com\/wp-content\/uploads\/2024\/11\/92480669d3fbe91d-100x100.jpg 100w\" sizes=\"(max-width: 350px) 100vw, 350px\" \/><\/a><\/figure>\n\n<p><\/p>\n\n<p>Ti\u00eau chu\u1ea9n c\u00e1p UL 758 l\u00e0 g\u00ec?<\/p>\n\n<p>Ti\u00eau chu\u1ea9n c\u00e1p UL 758 l\u00e0 m\u1ed9t t\u00e0i li\u1ec7u k\u1ef9 thu\u1eadt do UL (Underwriters Laboratories Inc.) ph\u00e1t tri\u1ec3n \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh thi\u1ebft k\u1ebf, s\u1ea3n xu\u1ea5t v\u00e0 th\u1eed nghi\u1ec7m v\u1eadt li\u1ec7u d\u00e2y \u0111i\u1ec7n gia d\u1ee5ng (AWM). Ti\u00eau chu\u1ea9n n\u00e0y bao g\u1ed3m nhi\u1ec1u lo\u1ea1i d\u00e2y d\u1eabn v\u00e0 c\u00e1p v\u00e0 \u00e1p d\u1ee5ng cho c\u00e1c c\u1ee5m d\u00e2y m\u1ec1m \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c thi\u1ebft b\u1ecb gia d\u1ee5ng, thi\u1ebft b\u1ecb th\u01b0\u01a1ng m\u1ea1i v\u00e0 \u0111\u1ed3 chi\u1ebfu s\u00e1ng. <\/p>\n\n<p>Ph\u1ea1m vi \u00e1p d\u1ee5ng c\u1ee7a c\u00e1p UL 758:<\/p>\n\n<p>Ti\u00eau chu\u1ea9n c\u00e1p UL 758 \u00e1p d\u1ee5ng cho v\u1eadt li\u1ec7u d\u00e2y \u0111i\u1ec7n thi\u1ebft b\u1ecb c\u00f3 \u0111i\u1ec7n \u00e1p \u0111\u1ecbnh m\u1ee9c kh\u00f4ng qu\u00e1 600V.<\/p>\n\n<p>Nh\u1eefng v\u1eadt li\u1ec7u n\u00e0y \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 k\u1ebft n\u1ed1i c\u00e1c th\u00e0nh ph\u1ea7n b\u00ean trong c\u1ee7a thi\u1ebft b\u1ecb ho\u1eb7c l\u00e0m d\u00e2y k\u1ebft n\u1ed1i gi\u1eefa thi\u1ebft b\u1ecb v\u00e0 ngu\u1ed3n \u0111i\u1ec7n.<\/p>\n\n<p>C\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u c\u00e1p UL 758:<\/p>\n\n<p>D\u00e2y d\u1eabn c\u00e1ch \u0111i\u1ec7n \u0111\u01a1n.<\/p>\n\n<p>C\u00e1p nhi\u1ec1u l\u00f5i.<\/p>\n\n<p>S\u1ee3i quang.<\/p>\n\n<p>D\u00e2y d\u1eabn c\u00e1ch \u0111i\u1ec7n \u0111\u1ed9c l\u1eadp.<\/p>\n\n<p>S\u1ee3i quang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 m\u1ed9t th\u00e0nh ph\u1ea7n c\u1ee7a c\u1ee5m c\u00e1p nhi\u1ec1u l\u00f5i.<\/p>\n\n<p>Ti\u00eau chu\u1ea9n c\u00e1p UL 758 v\u1ec1 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt d\u00e2y d\u1eabn:<br\/>V\u1eadt li\u1ec7u d\u00e2y d\u1eabn: V\u1eadt li\u1ec7u d\u00e2y d\u1eabn \u0111\u01b0\u1ee3c ti\u00eau chu\u1ea9n UL 758 \u0111\u1ec1 c\u1eadp th\u01b0\u1eddng l\u00e0 \u0111\u1ed3ng, v\u00e0 \u0111\u00f4i khi c\u0169ng s\u1eed d\u1ee5ng \u0111\u1ed3ng thi\u1ebfc ho\u1eb7c h\u1ee3p kim \u0111\u1ed3ng-b\u1ea1c. D\u00e2y d\u1eabn c\u00f3 th\u1ec3 l\u00e0 lo\u1ea1i \u0111\u1eb7c ho\u1eb7c d\u1ea1ng xo\u1eafn.<br\/>K\u00edch th\u01b0\u1edbc d\u00e2y d\u1eabn: Di\u1ec7n t\u00edch m\u1eb7t c\u1eaft ngang c\u1ee7a d\u00e2y d\u1eabn thay \u0111\u1ed5i r\u1ea5t nhi\u1ec1u, t\u1eeb d\u00e2y d\u1eabn r\u1ea5t nh\u1ecf (nh\u01b0 50 AWG) \u0111\u1ebfn d\u00e2y d\u1eabn l\u1edbn h\u01a1n (nh\u01b0 2000 kcmil). AWG (American Wire Gauge) l\u00e0 ti\u00eau chu\u1ea9n \u0111\u1ec3 \u0111o \u0111\u01b0\u1eddng k\u00ednh c\u1ee7a d\u00e2y d\u1eabn, trong khi kcmil l\u00e0 m\u1ed9t \u0111\u01a1n v\u1ecb th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng kh\u00e1c, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong tr\u01b0\u1eddng h\u1ee3p d\u00e2y d\u1eabn c\u00f3 k\u00edch th\u01b0\u1edbc l\u1edbn.  <\/p>\n\n<p>Ti\u00eau chu\u1ea9n v\u1eadt li\u1ec7u c\u00e1ch \u0111i\u1ec7n c\u00e1p UL 758:<br\/>Ph\u00e2n lo\u1ea1i v\u1eadt li\u1ec7u c\u00e1ch \u0111i\u1ec7n: Ti\u00eau chu\u1ea9n UL 758 chia v\u1eadt li\u1ec7u c\u00e1ch \u0111i\u1ec7n th\u00e0nh hai lo\u1ea1i: nhi\u1ec7t d\u1ebbo v\u00e0 nhi\u1ec7t r\u1eafn.<br\/>V\u1eadt li\u1ec7u c\u00e1ch \u0111i\u1ec7n nhi\u1ec7t d\u1ebbo: ch\u1ee7 y\u1ebfu bao g\u1ed3m PVC (polyvinyl clorua), TPU (polyurethane nhi\u1ec7t d\u1ebbo), TPE (elastomer nhi\u1ec7t d\u1ebbo), v.v.<br\/>V\u1eadt li\u1ec7u c\u00e1ch \u0111i\u1ec7n nhi\u1ec7t r\u1eafn: th\u01b0\u1eddng \u0111\u1ec1 c\u1eadp \u0111\u1ebfn c\u00e1c v\u1eadt li\u1ec7u nh\u01b0 cao su silicon, c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t v\u00e0 kh\u00e1ng h\u00f3a ch\u1ea5t t\u1ed1t h\u01a1n.<br\/>\u0110\u1ed9 d\u00e0y l\u1edbp c\u00e1ch \u0111i\u1ec7n: \u0110\u1ed9 d\u00e0y t\u1ed1i thi\u1ec3u c\u1ee7a l\u1edbp c\u00e1ch \u0111i\u1ec7n ph\u1ee5 thu\u1ed9c v\u00e0o k\u00edch th\u01b0\u1edbc c\u1ee7a d\u00e2y d\u1eabn v\u00e0 lo\u1ea1i v\u1eadt li\u1ec7u c\u00e1ch \u0111i\u1ec7n. V\u00ed d\u1ee5, \u0111\u1ed1i v\u1edbi d\u00e2y d\u1eabn nh\u1ecf h\u01a1n, l\u1edbp c\u00e1ch \u0111i\u1ec7n c\u00f3 th\u1ec3 t\u01b0\u01a1ng \u0111\u1ed1i m\u1ecfng, trong khi \u0111\u1ed1i v\u1edbi d\u00e2y d\u1eabn l\u1edbn h\u01a1n, c\u1ea7n c\u00f3 l\u1edbp c\u00e1ch \u0111i\u1ec7n d\u00e0y h\u01a1n \u0111\u1ec3 b\u1ea3o v\u1ec7 t\u1ed1t h\u01a1n. <\/p>\n\n<p>Ti\u00eau chu\u1ea9n v\u1ecf c\u00e1p UL 758 V\u1eadt li\u1ec7u v\u1ecf:<br\/>V\u1eadt li\u1ec7u v\u1ecf: V\u1eadt li\u1ec7u v\u1ecf th\u01b0\u1eddng l\u00e0 PVC ho\u1eb7c c\u00e1c v\u1eadt li\u1ec7u polyme kh\u00e1c \u0111\u1ec3 b\u1ea3o v\u1ec7 c\u00e1p kh\u1ecfi b\u1ecb m\u00e0i m\u00f2n v\u00e0 h\u01b0 h\u1ecfng do h\u00f3a ch\u1ea5t.<br\/>\u0110\u1ed9 d\u00e0y v\u1ecf: \u0110\u1ed9 d\u00e0y t\u1ed1i thi\u1ec3u c\u1ee7a v\u1ecf c\u0169ng \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh r\u00f5 r\u00e0ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 ch\u1eafc ch\u1eafn t\u1ed5ng th\u1ec3 c\u1ee7a c\u00e1p.<\/p>\n\n<p>\u0110\u1ea7u n\u1ed1i v\u00e0 \u0111\u1ea7u cu\u1ed1i c\u00e1p UL 758:<br\/>Lo\u1ea1i \u0111\u1ea7u n\u1ed1i: C\u00e1c \u0111\u1ea7u n\u1ed1i \u0111\u01b0\u1ee3c ti\u00eau chu\u1ea9n UL 758 bao g\u1ed3m c\u00f3 th\u1ec3 c\u00f3 nhi\u1ec1u d\u1ea1ng kh\u00e1c nhau, ch\u1eb3ng h\u1ea1n nh\u01b0 ph\u00edch c\u1eafm, \u1ed5 c\u1eafm, \u0111\u1ea7u cu\u1ed1i v\u00edt, v.v.<br\/>V\u1eadt li\u1ec7u \u0111\u1ea7u cu\u1ed1i: V\u1eadt li\u1ec7u \u0111\u1ea7u cu\u1ed1i th\u01b0\u1eddng l\u00e0 kim lo\u1ea1i, ch\u1eb3ng h\u1ea1n nh\u01b0 \u0111\u1ed3ng, th\u00e9p m\u1ea1 niken, v.v., \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n t\u1ed1t v\u00e0 \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc.<br\/>Y\u00eau c\u1ea7u l\u1eafp \u0111\u1eb7t: Vi\u1ec7c l\u1eafp \u0111\u1eb7t \u0111\u1ea7u n\u1ed1i v\u00e0 \u0111\u1ea7u cu\u1ed1i ph\u1ea3i ch\u1eafc ch\u1eafn v\u00e0 \u0111\u00e1ng tin c\u1eady \u0111\u1ec3 tr\u00e1nh l\u1ecfng l\u1ebbo ho\u1eb7c ti\u1ebfp x\u00fac k\u00e9m.<\/p>\n\n<p>Y\u00eau c\u1ea7u v\u1ec1 hi\u1ec7u su\u1ea5t c\u00e1p UL 758:<br\/>K\u00edch th\u01b0\u1edbc d\u00e2y d\u1eabn dao \u0111\u1ed9ng t\u1eeb 50AWG \u0111\u1ebfn 2000kcmil.<br\/>Nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng t\u1ed1i thi\u1ec3u l\u00e0 60\u00b0C (140\u00b0F).<br\/>\u0110i\u1ec7n \u00e1p \u0111\u1ecbnh m\u1ee9c \u00edt nh\u1ea5t l\u00e0 30 v\u00f4n.<br\/>V\u1eadt li\u1ec7u c\u00e1ch \u0111i\u1ec7n \u0111\u01b0\u1ee3c chia th\u00e0nh hai lo\u1ea1i: nhi\u1ec7t d\u1ebbo v\u00e0 nhi\u1ec7t r\u1eafn.<br\/>C\u00e1c lo\u1ea1i d\u00e2y d\u1eabn v\u00e0 c\u00e1p \u0111\u1eb7c bi\u1ec7t, c\u00f3 th\u1ec3 kh\u00f4ng c\u1ea7n \u0111\u00e1p \u1ee9ng t\u1ea5t c\u1ea3 c\u00e1c y\u00eau c\u1ea7u c\u1ee7a AWM n\u00f3i chung.<\/p>\n\n<p>Ph\u00e2n chia c\u1ea5u tr\u00fac c\u00e1p UL 758:<br\/>UL 758 chia c\u00e1c lo\u1ea1i d\u00e2y \u0111i\u1ec7n th\u00e0nh 5 ph\u1ea7n:<br\/>D\u00e2y d\u1eabn m\u1ed9t l\u00f5i, c\u00e1ch \u0111i\u1ec7n nhi\u1ec7t d\u1ebbo.<br\/>D\u00e2y d\u1eabn nhi\u1ec1u l\u00f5i, c\u00e1ch \u0111i\u1ec7n nhi\u1ec7t d\u1ebbo.<br\/>D\u00e2y d\u1eabn m\u1ed9t l\u00f5i, c\u00e1ch \u0111i\u1ec7n nhi\u1ec7t r\u1eafn.<br\/>D\u00e2y d\u1eabn nhi\u1ec1u l\u00f5i, c\u00e1ch \u0111i\u1ec7n nhi\u1ec7t r\u1eafn.<br\/>C\u00e1c lo\u1ea1i d\u00e2y d\u1eabn m\u1ed9t l\u00f5i v\u00e0 nhi\u1ec1u l\u00f5i \u0111\u1eb7c bi\u1ec7t.<\/p>\n\n<p>Ph\u01b0\u01a1ng ph\u00e1p th\u1eed c\u00e1p UL 758:<br\/>Th\u1eed u\u1ed1n: \u0110\u00e1nh gi\u00e1 \u0111\u1ed9 b\u1ec1n c\u1ee7a c\u00e1p khi b\u1ecb u\u1ed1n cong nhi\u1ec1u l\u1ea7n.<br\/>Th\u1eed k\u00e9o: \u0110o c\u01b0\u1eddng \u0111\u1ed9 li\u00ean k\u1ebft gi\u1eefa d\u00e2y d\u1eabn v\u00e0 l\u1edbp c\u00e1ch \u0111i\u1ec7n.<br\/>Th\u1eed ch\u1ecbu nhi\u1ec7t: \u0110\u1ea3m b\u1ea3o c\u00e1p v\u1eabn c\u00f3 th\u1ec3 duy tr\u00ec hi\u1ec7u su\u1ea5t \u1edf nhi\u1ec7t \u0111\u1ed9 cao.<br\/>Th\u1eed ch\u1ed1ng ch\u00e1y: \u0110\u00e1nh gi\u00e1 hi\u1ec7u su\u1ea5t c\u1ee7a c\u00e1p trong \u0111i\u1ec1u ki\u1ec7n ch\u00e1y.<br\/>Th\u1eed kh\u1ea3 n\u0103ng ch\u1ecbu h\u00f3a ch\u1ea5t: Ki\u1ec3m tra \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a c\u00e1p khi ti\u1ebfp x\u00fac v\u1edbi c\u00e1c lo\u1ea1i h\u00f3a ch\u1ea5t kh\u00e1c nhau.<br\/>Th\u1eed ch\u00e1y theo chi\u1ec1u ngang v\u00e0 chi\u1ec1u d\u1ecdc c\u1ee7a d\u00e2y: \u0110\u01b0\u1ee3c th\u1ef1c hi\u1ec7n theo y\u00eau c\u1ea7u c\u1ee7a ti\u00eau chu\u1ea9n UL 758 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00e1p c\u00f3 \u0111\u1eb7c t\u00ednh ch\u1ed1ng ch\u00e1y t\u1ed1t.<\/p>\n\n<p>\u0110\u00e1nh d\u1ea5u v\u00e0 d\u00e1n nh\u00e3n c\u00e1p UL 758:<br\/>T\u1ea5t c\u1ea3 AWM c\u1ea7n \u0111\u01b0\u1ee3c \u0111\u00e1nh d\u1ea5u r\u00f5 r\u00e0ng th\u00f4ng tin nh\u00e0 s\u1ea3n xu\u1ea5t, ki\u1ec3u s\u1ea3n ph\u1ea9m, \u0111i\u1ec7n \u00e1p v\u00e0 d\u00f2ng \u0111i\u1ec7n \u0111\u1ecbnh m\u1ee9c, v.v.<br\/>Nh\u00e3n ph\u1ea3i b\u1ec1n v\u00e0 d\u1ec5 \u0111\u1ecdc ngay c\u1ea3 trong \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t.<\/p>\n\n<p>Quy tr\u00ecnh ch\u1ee9ng nh\u1eadn ti\u00eau chu\u1ea9n c\u00e1p UL 758:<br\/>\u0110\u00e1nh gi\u00e1 ban \u0111\u1ea7u: S\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c g\u1eedi \u0111\u1ebfn UL \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 l\u1ea7n \u0111\u1ea7u ti\u00ean.<br\/>Gi\u00e1m s\u00e1t s\u1ea3n xu\u1ea5t: UL s\u1ebd ti\u1ebfn h\u00e0nh ki\u1ec3m tra nh\u00e0 m\u00e1y th\u01b0\u1eddng xuy\u00ean \u0111\u1ed1i v\u1edbi c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh nh\u1ea5t qu\u00e1n trong s\u1ea3n xu\u1ea5t v\u00e0 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng.<br\/>Gi\u00e1m s\u00e1t th\u1ecb tr\u01b0\u1eddng: Sau khi s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c \u0111\u01b0a ra th\u1ecb tr\u01b0\u1eddng, UL c\u0169ng s\u1ebd ch\u1ecdn ng\u1eabu nhi\u00ean c\u00e1c m\u1eabu tr\u00ean th\u1ecb tr\u01b0\u1eddng \u0111\u1ec3 th\u1eed nghi\u1ec7m nh\u1eb1m \u0111\u1ea3m b\u1ea3o tu\u00e2n th\u1ee7 li\u00ean t\u1ee5c ti\u00eau chu\u1ea9n UL 758.<\/p>\n\n<p>V\u00ed d\u1ee5 v\u1ec1 s\u1ea3n ph\u1ea9m c\u00e1p UL 758:<br\/>UL1007 D\u00e2y \u0111i\u1ec7n t\u1eed: \u0110\u00e2y l\u00e0 d\u00e2y d\u1eabn m\u1ed9t l\u00f5i c\u00f3 l\u1edbp c\u00e1ch \u0111i\u1ec7n PVC, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong h\u1ec7 th\u1ed1ng d\u00e2y \u0111i\u1ec7n b\u00ean trong c\u1ee7a thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed.<br\/>UL 2517 D\u00e2y \u0111i\u1ec7n t\u1eed c\u00f3 v\u1ecf b\u1ecdc 2x22AWG: \u0110\u00e2y l\u00e0 c\u00e1p hai l\u00f5i, m\u1ed7i d\u00e2y d\u1eabn l\u00e0 d\u00e2y \u0111\u1ed3ng tr\u00e1ng thi\u1ebfc 22AWG c\u00f3 v\u1ecf b\u1ecdc PVC, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 truy\u1ec1n t\u00edn hi\u1ec7u trong thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed.<\/p>\n\n<p>C\u00e1c t\u00ednh n\u0103ng an to\u00e0n c\u1ee7a c\u00e1p UL 758:<br\/>Ch\u1ed1ng ch\u00e1y: Ti\u00eau chu\u1ea9n UL 758 y\u00eau c\u1ea7u c\u00e1p ph\u1ea3i c\u00f3 m\u1ed9t s\u1ed1 \u0111\u1eb7c t\u00ednh ch\u1ed1ng ch\u00e1y nh\u1ea5t \u0111\u1ecbnh \u0111\u1ec3 gi\u1ea3m nguy c\u01a1 h\u1ecfa ho\u1ea1n.<br\/>Kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t: C\u00e1p c\u1ea7n c\u00f3 kh\u1ea3 n\u0103ng duy tr\u00ec hi\u1ec7u su\u1ea5t trong m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 cao \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1eed d\u1ee5ng an to\u00e0n trong \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t.<br\/>Kh\u1ea3 n\u0103ng ch\u1ecbu h\u00f3a ch\u1ea5t: C\u00e1p ph\u1ea3i c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i t\u00e1c \u0111\u1ed9ng c\u1ee7a c\u00e1c h\u00f3a ch\u1ea5t th\u00f4ng th\u01b0\u1eddng \u0111\u1ec3 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd s\u1eed d\u1ee5ng.<\/p>\n\n<p>Ph\u1ea1m vi \u1ee9ng d\u1ee5ng c\u1ee7a c\u00e1p UL 758:<br\/>C\u00e1p \u0111\u01b0\u1ee3c bao ph\u1ee7 b\u1edfi ti\u00eau chu\u1ea9n UL 758 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u thi\u1ebft b\u1ecb gia d\u1ee5ng, thi\u1ebft b\u1ecb th\u01b0\u01a1ng m\u1ea1i v\u00e0 \u0111\u1ed3 chi\u1ebfu s\u00e1ng. Sau \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 t\u00ecnh hu\u1ed1ng \u1ee9ng d\u1ee5ng \u0111i\u1ec3n h\u00ecnh c\u1ee7a c\u00e1p UL 758: <\/p>\n\n<p>C\u00e1p thi\u1ebft b\u1ecb gia d\u1ee5ng:<br\/>M\u00e1y gi\u1eb7t, m\u00e1y s\u1ea5y, t\u1ee7 l\u1ea1nh, t\u1ee7 \u0111\u00f4ng, l\u00f2 vi s\u00f3ng, l\u00f2 n\u01b0\u1edbng, m\u00e1y h\u00fat b\u1ee5i, TV, h\u1ec7 th\u1ed1ng \u00e2m thanh, m\u00e1y \u0111i\u1ec1u h\u00f2a, qu\u1ea1t, \u0111\u1ed3 chi\u1ebfu s\u00e1ng.<\/p>\n\n<p>C\u00e1p thi\u1ebft b\u1ecb th\u01b0\u01a1ng m\u1ea1i:<br\/>Thi\u1ebft b\u1ecb v\u0103n ph\u00f2ng: m\u00e1y in, m\u00e1y photocopy, m\u00e1y qu\u00e9t.<br\/>Thi\u1ebft b\u1ecb ph\u1ee5c v\u1ee5 \u0103n u\u1ed1ng: m\u00e1y pha c\u00e0 ph\u00ea, m\u00e1y xay sinh t\u1ed1, m\u00e1y n\u01b0\u1edbng b\u00e1nh m\u00ec.<br\/>Thi\u1ebft b\u1ecb nh\u00e0 b\u1ebfp: t\u1ee7 l\u1ea1nh, t\u1ee7 \u0111\u00f4ng, l\u00f2 n\u01b0\u1edbng.<br\/>Thi\u1ebft b\u1ecb v\u1ec7 sinh: m\u00e1y h\u00fat b\u1ee5i, m\u00e1y v\u1ec7 sinh.<\/p>\n\n<p>Thi\u1ebft b\u1ecb chi\u1ebfu s\u00e1ng:<br\/>\u0110\u00e8n chi\u1ebfu s\u00e1ng trong nh\u00e0: \u0111\u00e8n ch\u00f9m, \u0111\u00e8n t\u01b0\u1eddng, \u0111\u00e8n b\u00e0n. \u0110\u00e8n chi\u1ebfu s\u00e1ng ngo\u00e0i tr\u1eddi: \u0111\u00e8n \u0111\u01b0\u1eddng, \u0111\u00e8n c\u1ea3nh quan. H\u1ec7 th\u1ed1ng chi\u1ebfu s\u00e1ng LED, h\u1ec7 th\u1ed1ng chi\u1ebfu s\u00e1ng kh\u1ea9n c\u1ea5p, v.v.  <\/p>\n\n<p>Vi\u1ec5n th\u00f4ng v\u00e0 truy\u1ec1n d\u1eef li\u1ec7u:<br\/>H\u1ec7 th\u1ed1ng d\u00e2y \u0111i\u1ec7n b\u00ean trong c\u00e1c \u0111\u01a1n v\u1ecb vi\u1ec5n th\u00f4ng v\u00e0 m\u00f4-\u0111un \u0111i\u1ec7n, h\u1ec7 th\u1ed1ng d\u00e2y \u0111i\u1ec7n c\u1ee7a c\u00e1c c\u01a1 s\u1edf vi\u1ec5n th\u00f4ng, truy\u1ec1n t\u00edn hi\u1ec7u v\u00e0 \u0111i\u1ec7n n\u0103ng trong c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u.<\/p>\n\n<p>C\u00e1p ti\u1ebfp \u0111\u1ecba an to\u00e0n:<br\/>C\u00e1p ti\u1ebfp \u0111\u1ecba an to\u00e0n trong c\u00e1c c\u01a1 s\u1edf \u0111i\u1ec7n \u00e1p cao, b\u1ea3o tr\u00ec \u0111\u01b0\u1eddng d\u00e2y tr\u00ean kh\u00f4ng cao th\u1ebf c\u1ee7a \u0111\u01b0\u1eddng s\u1eaft, ti\u1ebfp \u0111\u1ecba an to\u00e0n cho c\u00e1c c\u00f4ng ty cung c\u1ea5p \u0111i\u1ec7n t\u1eed, c\u00e2n b\u1eb1ng \u0111i\u1ec7n th\u1ebf c\u1ee7a m\u00e1y m\u00f3c v\u00e0 h\u1ec7 th\u1ed1ng CNTT, v.v.<\/p>\n\n<p>C\u00e1p \u0111i\u1ec1u khi\u1ec3n ngu\u1ed3n:<br\/>C\u00e1p ngu\u1ed3n, \u0111i\u1ec1u khi\u1ec3n v\u00e0 k\u1ebft n\u1ed1i trong c\u00e1c c\u01a1 s\u1edf \u0111i\u1ec7n; \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 truy\u1ec1n d\u1eef li\u1ec7u v\u00e0 t\u00edn hi\u1ec7u kh\u00f4ng m\u1ea5t d\u1eef li\u1ec7u; l\u1eafp \u0111\u1eb7t c\u1ed1 \u0111\u1ecbnh v\u00e0 \u1ee9ng d\u1ee5ng di \u0111\u1ed9ng; ph\u00f9 h\u1ee3p cho ph\u00f2ng kh\u00f4, \u1ea9m v\u00e0 \u01b0\u1edbt.<\/p>\n\n<p>\u1ee8ng d\u1ee5ng \u0111\u1eb7c bi\u1ec7t, c\u00e1p \u0111i\u1ec7n cao th\u1ebf:<br\/>C\u00e1p n\u1ed1i \u0111\u1ea5t an to\u00e0n trong c\u00e1c c\u01a1 s\u1edf \u0111i\u1ec7n cao th\u1ebf, \u0111\u1ec3 b\u1ea3o tr\u00ec \u0111\u01b0\u1eddng d\u00e2y \u0111i\u1ec7n tr\u00ean kh\u00f4ng cao th\u1ebf c\u1ee7a \u0111\u01b0\u1eddng s\u1eaft v\u00e0 \u0111\u1ec3 n\u1ed1i \u0111\u1ea5t c\u00e1c b\u1ed9 ph\u1eadn mang \u0111i\u1ec7n c\u1ee7a c\u00e1c c\u01a1 s\u1edf \u0111i\u1ec7n cao th\u1ebf.<\/p>\n\n<p>\u1ee8ng d\u1ee5ng th\u1ecb tr\u01b0\u1eddng c\u00e1p UL 758:<br\/>S\u1ef1 c\u00f4ng nh\u1eadn to\u00e0n c\u1ea7u: Ti\u00eau chu\u1ea9n UL 758 \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn r\u1ed9ng r\u00e3i tr\u00ean to\u00e0n th\u1ebf gi\u1edbi, \u0111\u1ea3m b\u1ea3o s\u1ea3n ph\u1ea9m c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c xu\u1ea5t kh\u1ea9u sang nhi\u1ec1u qu\u1ed1c gia v\u00e0 khu v\u1ef1c.<\/p>\n\n<p>Ti\u00eau chu\u1ea9n c\u00f4ng nghi\u1ec7p: Nhi\u1ec1u nh\u00e0 s\u1ea3n xu\u1ea5t s\u1eed d\u1ee5ng ti\u00eau chu\u1ea9n n\u00e0y l\u00e0m chu\u1ea9n m\u1ef1c cho vi\u1ec7c s\u1ea3n xu\u1ea5t c\u1ee5m d\u00e2y m\u1ec1m.<\/p>\n\n<p>S\u1ef1 ph\u00e1t tri\u1ec3n trong t\u01b0\u01a1ng lai c\u1ee7a c\u00e1p UL 758:<br\/>V\u1eadt li\u1ec7u m\u1edbi: V\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e1c v\u1eadt li\u1ec7u m\u1edbi, v\u1eadt li\u1ec7u c\u00e1ch \u0111i\u1ec7n v\u00e0 v\u1ecf b\u1ecdc hi\u1ec7u su\u1ea5t cao h\u01a1n c\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n trong t\u01b0\u01a1ng lai.<br\/>Y\u00eau c\u1ea7u v\u1ec1 m\u00f4i tr\u01b0\u1eddng: Trong t\u01b0\u01a1ng lai, vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c v\u1eadt li\u1ec7u th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng nh\u01b0 c\u00e1p kh\u00f4ng halogen \u00edt kh\u00f3i v\u00e0 c\u00e1p ch\u1ed1ng ch\u00e1y kh\u00f4ng halogen \u00edt kh\u00f3i c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u0103ng c\u01b0\u1eddng \u0111\u1ec3 gi\u1ea3m t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn m\u00f4i tr\u01b0\u1eddng.<br\/>Ti\u1ebfn b\u1ed9 c\u00f4ng ngh\u1ec7: V\u1edbi s\u1ef1 ti\u1ebfn b\u1ed9 c\u1ee7a c\u00f4ng ngh\u1ec7, c\u00e1c ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m v\u00e0 quy tr\u00ecnh ch\u1ee9ng nh\u1eadn c\u00f3 th\u1ec3 tr\u1edf n\u00ean nghi\u00eam ng\u1eb7t v\u00e0 to\u00e0n di\u1ec7n h\u01a1n.<br\/>Vi\u1ec7c tri\u1ec3n khai ti\u00eau chu\u1ea9n c\u00e1p UL 758 \u0111\u1ea3m b\u1ea3o t\u00ednh an to\u00e0n v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a v\u1eadt li\u1ec7u d\u00e2y \u0111i\u1ec7n, \u0111i\u1ec1u n\u00e0y r\u1ea5t c\u1ea7n thi\u1ebft cho s\u1ef1 an to\u00e0n c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb gia d\u1ee5ng v\u00e0 thi\u1ebft b\u1ecb th\u01b0\u01a1ng m\u1ea1i. M\u1ecdi nh\u00e0 s\u1ea3n xu\u1ea5t c\u00e1p t\u00f9y ch\u1ec9nh \u0111\u1ec1u c\u1ea7n tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n UL n\u00e0y (UL 758, UL1581, v.v.) trong qu\u00e1 tr\u00ecnh thi\u1ebft k\u1ebf v\u00e0 s\u1ea3n xu\u1ea5t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c s\u1ea3n ph\u1ea9m \u0111\u00e1p \u1ee9ng c\u00e1c m\u1ee9c ch\u1ea5t l\u01b0\u1ee3ng quy \u0111\u1ecbnh v\u00e0 cung c\u1ea5p cho ng\u01b0\u1eddi ti\u00eau d\u00f9ng c\u00e1c s\u1ea3n ph\u1ea9m \u0111i\u1ec7n an to\u00e0n v\u00e0 \u0111\u00e1ng tin c\u1eady.<br\/>H\u1ee3p t\u00e1c v\u1edbi nh\u00e0 s\u1ea3n xu\u1ea5t c\u00e1p TST CABLES \u0111\u1ec3 t\u00f9y ch\u1ec9nh c\u00e1p UL 758<br\/>Trong qu\u00e1 tr\u00ecnh theo \u0111u\u1ed5i s\u1ef1 xu\u1ea5t s\u1eafc, m\u1ecdi lo\u1ea1i c\u00e1p UL 758 \u0111\u1ec1u ph\u1ea3n \u00e1nh cam k\u1ebft c\u1ee7a ch\u00fang t\u00f4i v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng. T\u1eeb thi\u1ebft k\u1ebf d\u00e2y d\u1eabn tinh vi \u0111\u1ebfn v\u1eadt li\u1ec7u c\u00e1ch \u0111i\u1ec7n ti\u00eau chu\u1ea9n cao, m\u1ecdi chi ti\u1ebft \u0111\u1ec1u th\u1ec3 hi\u1ec7n s\u1ef1 theo \u0111u\u1ed5i kh\u00f4ng ng\u1eebng ngh\u1ec9 c\u1ee7a ch\u00fang t\u00f4i v\u1ec1 s\u1ef1 an to\u00e0n. Ti\u00eau chu\u1ea9n UL 758 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t v\u00e0 \u0111\u1ed9 tin c\u1eady tuy\u1ec7t v\u1eddi c\u1ee7a c\u00e1p trong nhi\u1ec1u t\u00ecnh hu\u1ed1ng \u1ee9ng d\u1ee5ng kh\u00e1c nhau, gi\u00fap m\u1ecdi k\u1ebft n\u1ed1i \u0111\u1ec1u tr\u1edf th\u00e0nh kh\u1edfi \u0111\u1ea7u an to\u00e0n.<br\/>C\u00e1p c\u1ee7a ch\u00fang t\u00f4i kh\u00f4ng ch\u1ec9 \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n an to\u00e0n nghi\u00eam ng\u1eb7t c\u1ee7a UL 758 m\u00e0 c\u00f2n l\u00e0 ng\u01b0\u1eddi b\u1ea3o v\u1ec7 s\u1ef1 an to\u00e0n cho ng\u00f4i nh\u00e0 v\u00e0 doanh nghi\u1ec7p c\u1ee7a b\u1ea1n. Cho d\u00f9 l\u00e0 thi\u1ebft b\u1ecb gia d\u1ee5ng hay thi\u1ebft b\u1ecb th\u01b0\u01a1ng m\u1ea1i, c\u00e1p UL 758 \u0111\u1ec1u c\u00f3 th\u1ec3 cung c\u1ea5p cho b\u1ea1n kh\u1ea3 n\u0103ng truy\u1ec1n t\u1ea3i \u0111i\u1ec7n \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111\u00e1ng tin c\u1eady, cho ph\u00e9p b\u1ea1n t\u1eadn h\u01b0\u1edfng m\u00f4i tr\u01b0\u1eddng s\u1ed1ng v\u00e0 l\u00e0m vi\u1ec7c kh\u00f4ng ph\u1ea3i lo l\u1eafng.    <\/p>\n\n<p>H\u1ee3p t\u00e1c v\u1edbi TST CABLES \u0111\u1ec3 t\u00f9y ch\u1ec9nh c\u00e1p UL 758, ch\u00fang ta h\u00e3y c\u00f9ng chung tay, c\u1ed9ng t\u00e1c v\u00e0 c\u00f9ng nhau chi\u1ebfn th\u1eafng, t\u1ea1o ra m\u1ed9t t\u01b0\u01a1ng lai \u1ed5n \u0111\u1ecbnh, an to\u00e0n v\u00e0 hi\u1ec7u qu\u1ea3 h\u01a1n.<\/p>\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>T\u1ea1i sao h\u1ea7u h\u1ebft c\u00e1c lo\u1ea1i c\u00e1p gia d\u1ee5ng v\u00e0 th\u01b0\u01a1ng m\u1ea1i \u0111\u1ec1u tu\u00e2n theo ti\u00eau chu\u1ea9n UL 758? Nh\u1eefng [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":24954,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_eb_attr":"","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":"","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":"default","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":[3283,3286,3494,3495],"tags":[3668,3662,3667,3666,3665,3664,3663],"class_list":["post-30920","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog-vi","category-blog-cua-cap","category-cap-ul","category-cap-ul-758","tag-cap-ul","tag-cap-ul-758","tag-day-ul","tag-day-ul758","tag-tieu-chuan-ul758","tag-ul-758-vi","tag-ul758-vi"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>D\u00e2y AWG C\u00e1p UL 758 Gi\u1ea3i th\u00edch chi ti\u1ebft v\u1ec1 Ti\u00eau chu\u1ea9n UL758<\/title>\n<meta name=\"description\" content=\"UL 758 chia c\u00e1c lo\u1ea1i d\u00e2y \u0111i\u1ec7n th\u00e0nh 5 ph\u1ea7n: D\u00e2y d\u1eabn l\u00f5i \u0111\u01a1n, c\u00e1ch \u0111i\u1ec7n b\u1eb1ng nh\u1ef1a nhi\u1ec7t d\u1ebbo. 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