{"id":50952,"date":"2021-08-04T14:34:50","date_gmt":"2021-08-04T07:34:50","guid":{"rendered":"https:\/\/www.baohoxanh.com\/blog\/?p=50952"},"modified":"2026-08-23T09:40:44","modified_gmt":"2026-08-23T02:40:44","slug":"ung-cao-su-cach-dien-san-pham-bao-ve-an-toan-nhat","status":"publish","type":"post","link":"https:\/\/www.baohoxanh.com\/blog\/ung-cao-su-cach-dien-san-pham-bao-ve-an-toan-nhat\/","title":{"rendered":"Ph\u00e2n Bi\u1ec7t \u1ee6ng Cao Su V\u00e0 \u1ee6ng C\u00e1ch \u0110i\u1ec7n: \u0110\u1ecdc \u0110\u00fang K\u00fd Hi\u1ec7u A, C, I Tr\u00ean Nh\u00e3n"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Trong kho h\u00e0ng c\u1ee7a nhi\u1ec1u doanh nghi\u1ec7p, hai \u0111\u00f4i \u1ee7ng nh\u00ecn g\u1ea7n gi\u1ed1ng h\u1ec7t nhau l\u1ea1i ph\u1ee5c v\u1ee5 hai m\u1ee5c \u0111\u00edch tr\u00e1i ng\u01b0\u1ee3c. M\u1ed9t \u0111\u00f4i l\u00e0 \u1ee7ng cao su b\u1ea3o h\u1ed9 th\u00f4ng th\u01b0\u1eddng, sinh ra \u0111\u1ec3 ch\u1ed1ng n\u01b0\u1edbc, ch\u1ed1ng d\u1ea7u m\u1ee1 v\u00e0 b\u00e1m t\u1ed1t tr\u00ean n\u1ec1n tr\u01a1n. \u0110\u00f4i c\u00f2n l\u1ea1i l\u00e0 \u1ee7ng c\u00e1ch \u0111i\u1ec7n, \u0111\u01b0\u1ee3c th\u1eed \u0111i\u1ec7n \u00e1p v\u00e0 d\u00f9ng khi thao t\u00e1c tr\u00ean ho\u1eb7c g\u1ea7n ph\u1ea7n mang \u0111i\u1ec7n. Vi\u1ec7c g\u1ecdi l\u1eabn t\u00ean hai nh\u00f3m n\u00e0y x\u1ea3y ra h\u1eb1ng ng\u00e0y \u1edf kh\u00e2u mua s\u1eafm, v\u00e0 h\u1eadu qu\u1ea3 kh\u00f4ng d\u1eebng l\u1ea1i \u1edf chuy\u1ec7n nh\u1eadp sai h\u00e0ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u1ee6ng Cao Su Th\u01b0\u1eddng V\u00e0 \u1ee6ng C\u00e1ch \u0110i\u1ec7n L\u00e0 Hai Nh\u00f3m S\u1ea3n Ph\u1ea9m Kh\u00e1c Nhau<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u1ee6ng cao su b\u1ea3o h\u1ed9 th\u00f4ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u00e9p t\u1eeb cao su ho\u1eb7c PVC, m\u1ee5c ti\u00eau thi\u1ebft k\u1ebf l\u00e0 gi\u1eef ch\u00e2n kh\u00f4, ch\u1ecbu n\u01b0\u1edbc b\u1ea9n, d\u1ea7u m\u1ee1 v\u00e0 b\u00e1m tr\u00ean n\u1ec1n tr\u01a1n. Nh\u00f3m n\u00e0y ch\u1ee9ng nh\u1eadn theo EN ISO 20345 khi c\u00f3 m\u0169i th\u00e9p ho\u1eb7c m\u0169i composite ch\u1ed1ng va \u0111\u1eadp, ho\u1eb7c theo nh\u00f3m \u1ee7ng ngh\u1ec1 nghi\u1ec7p khi kh\u00f4ng c\u00f3 m\u0169i b\u1ea3o v\u1ec7. Kh\u00f4ng c\u00f3 ph\u00e9p th\u1eed \u0111i\u1ec7n \u00e1p n\u00e0o n\u1eb1m trong quy tr\u00ecnh ch\u1ee9ng nh\u1eadn m\u1eb7c \u0111\u1ecbnh c\u1ee7a nh\u00f3m n\u00e0y. M\u1ed9t \u0111\u00f4i \u1ee7ng \u0111\u1ee9ng n\u01b0\u1edbc r\u1ea5t t\u1ed1t v\u1eabn c\u00f3 th\u1ec3 d\u1eabn \u0111i\u1ec7n qua \u0111\u1ebf.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u1ee6ng c\u00e1ch \u0111i\u1ec7n l\u00e0 nh\u00f3m ho\u00e0n to\u00e0n kh\u00e1c, ch\u1ebf t\u1ea1o v\u00e0 th\u1eed nghi\u1ec7m theo EN 50321-1:2018, ti\u00eau chu\u1ea9n d\u00e0nh ri\u00eang cho gi\u00e0y v\u00e0 \u1ee7ng d\u00f9ng khi l\u00e0m vi\u1ec7c tr\u00ean ho\u1eb7c g\u1ea7n ph\u1ea7n mang \u0111i\u1ec7n. B\u1ea3n n\u00e0y thay th\u1ebf EN 50321:2000 v\u00e0 bao tr\u00f9m d\u1ea3i \u0111i\u1ec7n \u00e1p t\u1edbi 36.000 V AC ho\u1eb7c 25.000 V DC. M\u1ed7i \u0111\u00f4i mang m\u1ed9t c\u1ea5p \u0111i\u1ec7n \u00e1p c\u1ee5 th\u1ec3, k\u00e8m \u0111i\u1ec1u ki\u1ec7n th\u1eed ri\u00eang cho t\u1eebng c\u1ea5p. \u0110\u00e2y l\u00e0 trang b\u1ecb thu\u1ed9c nh\u00f3m d\u1ee5ng c\u1ee5 l\u00e0m vi\u1ec7c c\u00f3 \u0111i\u1ec7n, kh\u00f4ng ph\u1ea3i gi\u00e0y \u0111i m\u01b0a.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110i\u1ec3m khi\u1ebfn hai nh\u00f3m b\u1ecb l\u1eabn l\u00e0 ngo\u1ea1i h\u00ecnh. C\u1ea3 hai \u0111\u1ec1u cao c\u1ed5, \u0111\u1ec1u b\u1eb1ng cao su, \u0111\u1ec1u m\u00e0u \u0111en ho\u1eb7c v\u00e0ng, v\u00e0 \u0111\u1ec1u \u0111\u01b0\u1ee3c g\u1ecdi t\u1eaft l\u00e0 \u1ee7ng cao su khi l\u1eadp phi\u1ebfu \u0111\u1ec1 ngh\u1ecb mua. Ng\u01b0\u1eddi duy\u1ec7t nh\u00ecn d\u00f2ng m\u00f4 t\u1ea3 \u201c\u1ee7ng cao su ch\u1ed1ng tr\u01a1n\u201d r\u1ed3i k\u00fd, kho nh\u1eadn h\u00e0ng th\u1ea5y \u0111\u00fang t\u00ean g\u1ecdi r\u1ed3i nh\u1eadp. Ch\u1ec9 \u0111\u1ebfn khi \u0111\u1ed9i thi c\u00f4ng mang ra hi\u1ec7n tr\u01b0\u1eddng tr\u1ea1m bi\u1ebfn \u00e1p m\u1edbi ph\u00e1t hi\u1ec7n \u0111\u00f4i \u1ee7ng \u0111\u00f3 ch\u01b0a t\u1eebng qua b\u1ea5t k\u1ef3 ph\u00e9p th\u1eed \u0111i\u1ec7n n\u00e0o.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/www.baohoxanh.com\/blog\/wp-content\/uploads\/2016\/03\/ung-cao-su.jpg\" alt=\"\u1ee6ng cao su b\u1ea3o h\u1ed9 th\u00f4ng th\u01b0\u1eddng d\u00f9ng trong nh\u00e0 x\u01b0\u1edfng \u1ea9m \u01b0\u1edbt\" loading=\"lazy\" width=\"640\" height=\"640\" title=\"\"><figcaption class=\"wp-element-caption\">\u1ee6ng cao su th\u00f4ng th\u01b0\u1eddng ch\u1ed1ng n\u01b0\u1edbc v\u00e0 ch\u1ed1ng tr\u01a1n, kh\u00f4ng c\u00f3 ph\u00e9p th\u1eed \u0111i\u1ec7n \u00e1p<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">K\u00fd Hi\u1ec7u A, C V\u00e0 I Tr\u00ean Nh\u00e3n Quy\u1ebft \u0110\u1ecbnh B\u1ea1n \u0110\u01b0\u1ee3c B\u1ea3o V\u1ec7 Theo Ki\u1ec3u N\u00e0o<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ba k\u00fd hi\u1ec7u \u0111i\u1ec7n h\u1ecdc in tr\u00ean nh\u00e3n gi\u00e0y \u1ee7ng b\u1ea3o h\u1ed9 th\u01b0\u1eddng b\u1ecb \u0111\u1ecdc l\u01b0\u1edbt, trong khi ch\u00fang m\u00f4 t\u1ea3 ba h\u00e0nh vi \u0111i\u1ec7n ho\u00e0n to\u00e0n kh\u00e1c nhau. \u0110\u1ecdc \u0111\u00fang ba ch\u1eef c\u00e1i n\u00e0y l\u00e0 c\u00e1ch nhanh nh\u1ea5t \u0111\u1ec3 bi\u1ebft \u0111\u00f4i \u1ee7ng trong tay thu\u1ed9c nh\u00f3m n\u00e0o. Ch\u00fang th\u01b0\u1eddng \u0111\u01b0\u1ee3c in c\u1ea1nh m\u00e3 c\u1ea5p b\u1ea3o v\u1ec7, tr\u00ean m\u00e1 trong ho\u1eb7c tr\u00ean tem g\u1eafn k\u00e8m s\u1ea3n ph\u1ea9m.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>A l\u00e0 ch\u1ed1ng t\u0129nh \u0111i\u1ec7n (antistatic):<\/strong> \u0111i\u1ec7n tr\u1edf n\u1eb1m trong d\u1ea3i trung gian, cho ph\u00e9p \u0111i\u1ec7n t\u00edch t\u00edch t\u1ee5 tr\u00ean ng\u01b0\u1eddi tho\u00e1t xu\u1ed1ng s\u00e0n m\u1ed9t c\u00e1ch c\u00f3 ki\u1ec3m so\u00e1t. M\u1ee5c \u0111\u00edch l\u00e0 x\u1ea3 t\u0129nh \u0111i\u1ec7n, kh\u00f4ng ph\u1ea3i ch\u1ed1ng \u0111i\u1ec7n gi\u1eadt.<\/li><li><strong>C l\u00e0 d\u1eabn \u0111i\u1ec7n (conductive):<\/strong> \u0111i\u1ec7n tr\u1edf r\u1ea5t th\u1ea5p, d\u1eabn \u0111i\u1ec7n t\u00edch m\u1ea1nh v\u00e0 nhanh, d\u00f9ng \u1edf n\u01a1i c\u1ea7n tri\u1ec7t ti\u00eau t\u0129nh \u0111i\u1ec7n tri\u1ec7t \u0111\u1ec3.<\/li><li><strong>I l\u00e0 c\u00e1ch \u0111i\u1ec7n (insulating):<\/strong> th\u1eed theo EN 50321-1, nhi\u1ec7m v\u1ee5 l\u00e0 ch\u1eb7n d\u00f2ng \u0111i\u1ec7n \u0111i qua b\u00e0n ch\u00e2n, ng\u01b0\u1ee3c h\u1eb3n v\u1edbi hai k\u00fd hi\u1ec7u ph\u00eda tr\u00ean.<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Chi ti\u1ebft \u00edt ng\u01b0\u1eddi \u0111\u1ec3 \u00fd: c\u00e1c c\u1ea5p S1, S2, S3 trong EN ISO 20345 \u0111\u00e3 bao g\u1ed3m s\u1eb5n t\u00ednh ch\u1ed1ng t\u0129nh \u0111i\u1ec7n. Ngh\u0129a l\u00e0 khi mua m\u1ed9t \u0111\u00f4i \u1ee7ng S3 ti\u00eau chu\u1ea9n, doanh nghi\u1ec7p m\u1eb7c \u0111\u1ecbnh nh\u1eadn v\u1ec1 m\u1ed9t \u0111\u00f4i c\u00f3 kh\u1ea3 n\u0103ng d\u1eabn \u0111i\u1ec7n t\u00edch xu\u1ed1ng s\u00e0n theo m\u1ee9c ki\u1ec3m so\u00e1t. \u0110\u00e2y l\u00e0 t\u00ednh n\u0103ng t\u1ed1t cho x\u01b0\u1edfng \u0111i\u1ec7n t\u1eed, kho ho\u00e1 ch\u1ea5t, khu v\u1ef1c c\u00f3 b\u1ee5i d\u1ec5 b\u1eaft l\u1eeda. Nh\u01b0ng n\u00f3 kh\u00f4ng ph\u1ea3i v\u00e0 ch\u01b0a bao gi\u1edd l\u00e0 t\u00ednh n\u0103ng ch\u1ed1ng \u0111i\u1ec7n gi\u1eadt.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u1ee6ng Ch\u1ed1ng T\u0129nh \u0110i\u1ec7n D\u1eabn \u0110i\u1ec7n T\u00edch Xu\u1ed1ng S\u00e0n Ch\u1ee9 Kh\u00f4ng Ch\u1eb7n D\u00f2ng<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">H\u1ec7 qu\u1ea3 c\u1ee7a chuy\u1ec7n tr\u00ean r\u1ea5t tr\u1ef1c ti\u1ebfp. M\u1ed9t \u0111\u00f4i \u1ee7ng mang k\u00fd hi\u1ec7u A \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 t\u1ea1o \u0111\u01b0\u1eddng tho\u00e1t \u0111i\u1ec7n t\u00edch xu\u1ed1ng n\u1ec1n, t\u1ee9c l\u00e0 ch\u1ee7 \u0111\u1ed9ng m\u1edf m\u1ed9t l\u1ed1i cho d\u00f2ng \u0111i qua b\u00e0n ch\u00e2n. N\u1ebfu ng\u01b0\u1eddi mang \u0111\u00f4i \u1ee7ng \u0111\u00f3 ch\u1ea1m ph\u1ea3i ph\u1ea7n mang \u0111i\u1ec7n, \u0111\u00f4i \u1ee7ng kh\u00f4ng c\u1ea3n tr\u1edf g\u00ec, th\u1eadm ch\u00ed c\u00f2n g\u00f3p ph\u1ea7n kh\u00e9p m\u1ea1ch. Trang b\u1ecb \u0111\u00fang cho th\u1ee3 \u0111i\u1ec7n ph\u1ea3i l\u00e0m \u0111i\u1ec1u ng\u01b0\u1ee3c l\u1ea1i: d\u1ef1ng m\u1ed9t l\u1edbp tr\u1edf kh\u00e1ng \u0111\u1ee7 l\u1edbn gi\u1eefa b\u00e0n ch\u00e2n v\u00e0 \u0111\u1ea5t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u0169ng c\u1ea7n \u0111\u00ednh ch\u00ednh m\u1ed9t c\u00e1ch hi\u1ec3u sai \u0111ang lan r\u1ed9ng: m\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt, b\u00f9n \u0111\u1ea5t kh\u00f4ng ph\u1ea3i n\u01a1i t\u0129nh \u0111i\u1ec7n t\u00edch t\u1ee5 m\u1ea1nh. \u0110\u1ed9 \u1ea9m cao t\u1ea1o l\u1edbp n\u01b0\u1edbc r\u1ea5t m\u1ecfng tr\u00ean b\u1ec1 m\u1eb7t v\u1eadt li\u1ec7u, \u0111i\u1ec7n t\u00edch tho\u00e1t \u0111i li\u00ean t\u1ee5c n\u00ean t\u0129nh \u0111i\u1ec7n kh\u00f3 t\u00edch l\u1ea1i. T\u0129nh \u0111i\u1ec7n l\u00e0 v\u1ea5n \u0111\u1ec1 c\u1ee7a m\u00f4i tr\u01b0\u1eddng kh\u00f4, m\u00f9a hanh, ph\u00f2ng \u0111i\u1ec1u ho\u00e0, x\u01b0\u1edfng c\u00f3 s\u00e0n v\u00e0 v\u1eadt li\u1ec7u c\u00e1ch \u0111i\u1ec7n. \u1ee6ng c\u00e1ch \u0111i\u1ec7n d\u00f9ng n\u01a1i \u1ea9m \u01b0\u1edbt l\u00e0 \u0111\u1ec3 ch\u1eb7n d\u00f2ng r\u00f2 t\u1eeb ngu\u1ed3n \u0111i\u1ec7n th\u1eadt, kh\u00f4ng li\u00ean quan g\u00ec t\u1edbi t\u0129nh \u0111i\u1ec7n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00ec v\u1eady, khi l\u1eadp danh m\u1ee5c c\u1ea5p ph\u00e1t, n\u00ean t\u00e1ch h\u1eb3n hai d\u00f2ng ng\u00e2n s\u00e1ch. \u1ee6ng ch\u1ed1ng tr\u01a1n tr\u01b0\u1ee3t cho t\u1ed5 v\u1ec7 sinh c\u00f4ng nghi\u1ec7p, t\u1ed5 ch\u1ebf bi\u1ebfn, t\u1ed5 x\u00e2y d\u1ef1ng n\u1eb1m \u1edf nh\u00f3m gi\u00e0y \u1ee7ng b\u1ea3o h\u1ed9 ph\u1ed5 th\u00f4ng. \u1ee6ng v\u00e0 gi\u00e0y \u0111\u00e3 qua th\u1eed \u0111i\u1ec7n \u00e1p cho t\u1ed5 \u0111i\u1ec7n ph\u1ea3i n\u1eb1m trong <a href=\"https:\/\/www.baohoxanh.com\/an-toan-dien\">nh\u00f3m trang b\u1ecb an to\u00e0n \u0111i\u1ec7n<\/a> c\u00f9ng g\u0103ng c\u00e1ch \u0111i\u1ec7n, th\u1ea3m c\u00e1ch \u0111i\u1ec7n, s\u00e0o thao t\u00e1c. Tr\u1ed9n hai danh m\u1ee5c l\u00e0m m\u1ed9t ch\u00ednh l\u00e0 b\u01b0\u1edbc \u0111\u1ea7u ti\u00ean d\u1eabn t\u1edbi c\u1ea5p ph\u00e1t nh\u1ea7m.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/www.baohoxanh.com\/blog\/wp-content\/uploads\/2016\/07\/ung-cao-su-cach-dien.jpg\" alt=\"\u1ee6ng c\u00e1ch \u0111i\u1ec7n cao c\u1ed5 d\u00e0nh cho th\u1ee3 thi c\u00f4ng \u0111\u01b0\u1eddng d\u00e2y \u0111i\u1ec7n\" loading=\"lazy\" width=\"640\" height=\"640\" title=\"\"><figcaption class=\"wp-element-caption\">\u1ee6ng c\u00e1ch \u0111i\u1ec7n c\u00f3 c\u1ea5p \u0111i\u1ec7n \u00e1p ri\u00eang, th\u1eed nghi\u1ec7m theo EN 50321-1<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">EN 50321-1 Chia \u1ee6ng C\u00e1ch \u0110i\u1ec7n Th\u00e0nh S\u00e1u C\u1ea5p Theo \u0110i\u1ec7n \u00c1p Danh \u0110\u1ecbnh<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ti\u00eau chu\u1ea9n ph\u00e2n \u1ee7ng c\u00e1ch \u0111i\u1ec7n v\u00e0 \u1ee7ng ch\u1ee5p ngo\u00e0i th\u00e0nh s\u00e1u c\u1ea5p: class 00, 0, 1, 2, 3 v\u00e0 4. M\u1ed7i c\u1ea5p g\u1eafn v\u1edbi m\u1ed9t m\u1ee9c \u0111i\u1ec7n \u00e1p danh \u0111\u1ecbnh v\u00e0 m\u1ed9t b\u1ed9 \u0111i\u1ec1u ki\u1ec7n th\u1eed t\u01b0\u01a1ng \u1ee9ng. C\u1ea5p th\u1ea5p nh\u1ea5t l\u00e0 class 00, d\u00f9ng t\u1edbi 500 V AC ho\u1eb7c 750 V DC. C\u1ea5p cao nh\u1ea5t l\u00e0 class 4, d\u00f9ng t\u1edbi 36.000 V AC. B\u1ed1n c\u1ea5p c\u00f2n l\u1ea1i n\u1eb1m gi\u1eefa hai m\u1ed1c n\u00e0y theo thang quy \u0111\u1ecbnh trong b\u1ea3n ti\u00eau chu\u1ea9n.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>C\u1ea5p theo EN 50321-1<\/th><th>\u0110i\u1ec7n \u00e1p danh \u0111\u1ecbnh<\/th><th>L\u01b0u \u00fd khi \u0111\u1eb7t mua<\/th><\/tr><\/thead><tbody><tr><td>Class 00<\/td><td>T\u1edbi 500 V AC ho\u1eb7c 750 V DC<\/td><td>M\u1ed1c th\u1ea5p nh\u1ea5t c\u1ee7a thang ph\u00e2n c\u1ea5p<\/td><\/tr><tr><td>Class 0<\/td><td>N\u1ea5c trung gian, tra b\u1ea3ng g\u1ed1c<\/td><td>Y\u00eau c\u1ea7u nh\u00e0 cung c\u1ea5p n\u00eau s\u1ed1 c\u1ee5 th\u1ec3<\/td><\/tr><tr><td>Class 1<\/td><td>N\u1ea5c trung gian, tra b\u1ea3ng g\u1ed1c<\/td><td>\u0110\u1ed1i chi\u1ebfu v\u1edbi \u0111i\u1ec7n \u00e1p l\u00e0m vi\u1ec7c th\u1ef1c t\u1ebf<\/td><\/tr><tr><td>Class 2<\/td><td>N\u1ea5c trung gian, tra b\u1ea3ng g\u1ed1c<\/td><td>\u0110\u1ed1i chi\u1ebfu v\u1edbi \u0111i\u1ec7n \u00e1p l\u00e0m vi\u1ec7c th\u1ef1c t\u1ebf<\/td><\/tr><tr><td>Class 3<\/td><td>N\u1ea5c trung gian, tra b\u1ea3ng g\u1ed1c<\/td><td>Y\u00eau c\u1ea7u bi\u00ean b\u1ea3n th\u1eed nghi\u1ec7m theo l\u00f4<\/td><\/tr><tr><td>Class 4<\/td><td>T\u1edbi 36.000 V AC<\/td><td>M\u1ed1c cao nh\u1ea5t m\u00e0 ti\u00eau chu\u1ea9n bao tr\u00f9m<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ea3ng tr\u00ean ch\u1ec9 n\u00eau con s\u1ed1 \u1edf hai m\u1ed1c \u0111\u1ea7u v\u00e0 cu\u1ed1i v\u00ec \u0111\u00f3 l\u00e0 hai gi\u00e1 tr\u1ecb d\u1eabn \u0111\u01b0\u1ee3c ngu\u1ed3n tr\u1ef1c ti\u1ebfp. V\u1edbi c\u00e1c c\u1ea5p trung gian, c\u00e1ch l\u00e0m an to\u00e0n l\u00e0 y\u00eau c\u1ea7u nh\u00e0 cung c\u1ea5p xu\u1ea5t tr\u00ecnh \u0111\u00fang \u0111i\u1ec7n \u00e1p danh \u0111\u1ecbnh ghi trong h\u1ed3 s\u01a1 th\u1eed nghi\u1ec7m c\u1ee7a l\u00f4 h\u00e0ng, thay v\u00ec suy \u0111o\u00e1n theo t\u00ean g\u1ecdi th\u01b0\u01a1ng m\u1ea1i ki\u1ec3u \u201c\u1ee7ng 22kV\u201d hay \u201c\u1ee7ng h\u1ea1 th\u1ebf\u201d. T\u00ean g\u1ecdi th\u01b0\u01a1ng m\u1ea1i kh\u00f4ng thay th\u1ebf \u0111\u01b0\u1ee3c c\u1ea5p ghi tr\u00ean nh\u00e3n v\u00e0 trong h\u1ed3 s\u01a1.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/www.baohoxanh.com\/blog\/wp-content\/uploads\/2015\/09\/ung-cach-dien-ha-the-22kv.jpg\" alt=\"Nh\u00e3n c\u1ea5p \u0111i\u1ec7n \u00e1p in tr\u00ean th\u00e2n \u1ee7ng c\u00e1ch \u0111i\u1ec7n h\u1ea1 th\u1ebf\" loading=\"lazy\" width=\"640\" height=\"640\" title=\"\"><figcaption class=\"wp-element-caption\">C\u1ea5p \u0111i\u1ec7n \u00e1p ph\u1ea3i \u0111\u1ecdc \u0111\u01b0\u1ee3c tr\u00ean nh\u00e3n, kh\u00f4ng suy ra t\u1eeb t\u00ean g\u1ecdi th\u01b0\u01a1ng m\u1ea1i<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Ph\u00e9p Th\u1eed \u0110i\u1ec7n \u0110\u1ed5 N\u01b0\u1edbc V\u00e0o Trong \u1ee6ng V\u00e0 \u0110\u1eb7t \u1ee6ng Trong B\u1ec3 N\u01b0\u1edbc<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1ch th\u1eed \u0111i\u1ec7n c\u1ee7a EN 50321-1 gi\u1ea3i th\u00edch r\u00f5 v\u00ec sao m\u1ed9t \u0111\u00f4i \u1ee7ng cao su th\u00f4ng th\u01b0\u1eddng kh\u00f4ng th\u1ec3 t\u1ef1 nh\u1eadn l\u00e0 c\u00e1ch \u0111i\u1ec7n. \u1ee6ng \u0111\u01b0\u1ee3c \u0111\u1ed5 \u0111\u1ea7y n\u01b0\u1edbc \u1edf b\u00ean trong, r\u1ed3i \u0111\u1eb7t v\u00e0o m\u1ed9t b\u1ec3 n\u01b0\u1edbc b\u00ean ngo\u00e0i. N\u01b0\u1edbc b\u00ean trong \u1ee7ng n\u1ed1i v\u1edbi m\u1ed9t c\u1ef1c c\u1ee7a ngu\u1ed3n th\u1eed, n\u01b0\u1edbc trong b\u1ec3 n\u1ed1i v\u1edbi c\u1ef1c c\u00f2n l\u1ea1i. To\u00e0n b\u1ed9 v\u1eadt li\u1ec7u \u1ee7ng, g\u1ed3m \u0111\u1ebf, th\u00e2n v\u00e0 m\u0169i, tr\u1edf th\u00e0nh l\u1edbp ng\u0103n duy nh\u1ea5t gi\u1eefa hai c\u1ef1c \u0111\u00f3.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ed1 tr\u00ed n\u00e0y khi\u1ebfn m\u1ecdi khi\u1ebfm khuy\u1ebft \u0111\u1ec1u l\u1ed9 ra. M\u1ed9t l\u1ed7 kim, m\u1ed9t \u0111\u01b0\u1eddng may xuy\u00ean th\u00e2n, m\u1ed9t chi\u1ebfc \u0111inh g\u1eafn \u0111\u1ebf hay m\u1ed9t v\u1ebft n\u1ee9t do l\u00e3o ho\u00e1 \u0111\u1ec1u t\u1ea1o \u0111\u01b0\u1eddng d\u1eabn v\u00e0 l\u00e0m \u0111\u00f4i \u1ee7ng tr\u01b0\u1ee3t ph\u00e9p th\u1eed. \u0110\u00f3 c\u0169ng l\u00e0 l\u00fd do \u1ee7ng c\u00e1ch \u0111i\u1ec7n \u0111\u01b0\u1ee3c \u00e9p nguy\u00ean kh\u1ed1i, kh\u00f4ng c\u00f3 chi ti\u1ebft kim lo\u1ea1i xuy\u00ean qua l\u1edbp cao su \u1edf v\u00f9ng ti\u1ebfp x\u00fac. M\u1ed9t \u0111\u00f4i \u1ee7ng cao su th\u01b0\u1eddng c\u00f3 \u0111inh \u0111\u1ebf ho\u1eb7c \u0111\u01b0\u1eddng may s\u1ebd kh\u00f4ng bao gi\u1edd qua n\u1ed5i b\u00e0i th\u1eed n\u00e0y.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u1ea1m vi \u00e1p d\u1ee5ng, thang ph\u00e2n c\u1ea5p v\u00e0 t\u00ecnh tr\u1ea1ng thay th\u1ebf b\u1ea3n EN 50321:2000 c\u00f3 th\u1ec3 tra t\u1ea1i <a href=\"https:\/\/knowledge.bsigroup.com\/products\/live-working-footwear-for-electrical-protection-insulating-footwear-and-overboots\" rel=\"nofollow noopener\" target=\"_blank\">trang ti\u00eau chu\u1ea9n c\u1ee7a BSI<\/a> ho\u1eb7c m\u1ee5c l\u1ee5c ti\u00eau chu\u1ea9n <a href=\"https:\/\/standards.iteh.ai\/catalog\/standards\/clc\/c0700418-a507-456d-9c9b-3f1642ae00f1\/en-50321-1-2018\" rel=\"nofollow noopener\" target=\"_blank\">EN 50321-1:2018 tr\u00ean iTeh<\/a>. C\u1ea3 hai trang \u0111\u1ec1u n\u00eau t\u00ean \u0111\u1ea7y \u0111\u1ee7 c\u1ee7a ti\u00eau chu\u1ea9n k\u00e8m n\u0103m ban h\u00e0nh. Khi th\u1ea9m \u0111\u1ecbnh nh\u00e0 cung c\u1ea5p, hai ngu\u1ed3n n\u00e0y \u0111\u1ee7 \u0111\u1ec3 \u0111\u1ed1i chi\u1ebfu xem con s\u1ed1 h\u1ecd \u0111\u01b0a ra c\u00f3 n\u1eb1m trong khung ti\u00eau chu\u1ea9n hay kh\u00f4ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ch\u1ecdn \u1ee6ng Theo \u0110i\u1ec7n \u00c1p L\u00e0m Vi\u1ec7c Th\u1ef1c T\u1ebf Thay V\u00ec Theo T\u00ean G\u1ecdi Trong \u0110\u01a1n H\u00e0ng<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Quy tr\u00ecnh mua s\u1eafm g\u1ecdn nh\u1ea5t b\u1eaft \u0111\u1ea7u t\u1eeb hi\u1ec7n tr\u01b0\u1eddng ch\u1ee9 kh\u00f4ng t\u1eeb catalogue. B\u1ed9 ph\u1eadn an to\u00e0n m\u00f4 t\u1ea3 c\u00f4ng vi\u1ec7c v\u00e0 m\u1ee9c \u0111i\u1ec7n \u00e1p c\u00f3 th\u1ec3 ti\u1ebfp c\u1eadn, b\u1ed9 ph\u1eadn mua h\u00e0ng d\u1ecbch m\u00f4 t\u1ea3 \u0111\u00f3 th\u00e0nh y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt, nh\u00e0 cung c\u1ea5p ch\u1ee9ng minh b\u1eb1ng h\u1ed3 s\u01a1. Ba b\u01b0\u1edbc n\u00e0y gi\u1eef cho t\u00ean g\u1ecdi trong \u0111\u01a1n h\u00e0ng lu\u00f4n kh\u1edbp v\u1edbi th\u1ee9 th\u1ee3 \u0111i\u1ec7n th\u1ef1c s\u1ef1 nh\u1eadn \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>X\u00e1c \u0111\u1ecbnh \u0111i\u1ec7n \u00e1p l\u00e0m vi\u1ec7c l\u1edbn nh\u1ea5t m\u00e0 nh\u00f3m th\u1ee3 c\u00f3 th\u1ec3 ti\u1ebfp c\u1eadn, k\u1ec3 c\u1ea3 t\u00ecnh hu\u1ed1ng hi\u1ebfm g\u1eb7p, r\u1ed3i m\u1edbi ch\u1ecdn c\u1ea5p \u1ee7ng ph\u1ee7 \u0111\u01b0\u1ee3c m\u1ee9c \u0111\u00f3.<\/li><li>Y\u00eau c\u1ea7u \u1ea3nh ch\u1ee5p nh\u00e3n th\u1eadt c\u1ee7a l\u00f4 h\u00e0ng, tr\u00ean nh\u00e3n ph\u1ea3i c\u00f3 c\u1ea5p \u0111i\u1ec7n \u00e1p v\u00e0 vi\u1ec7n d\u1eabn EN 50321-1, kh\u00f4ng nh\u1eadn nh\u00e3n ch\u1ec9 ghi t\u00ean th\u01b0\u01a1ng m\u1ea1i.<\/li><li>\u0110\u1ed1i chi\u1ebfu bi\u00ean b\u1ea3n th\u1eed nghi\u1ec7m theo l\u00f4 k\u00e8m ng\u00e0y th\u1eed, v\u00ec kh\u1ea3 n\u0103ng c\u00e1ch \u0111i\u1ec7n suy gi\u1ea3m theo th\u1eddi gian v\u00e0 \u0111i\u1ec1u ki\u1ec7n l\u01b0u kho.<\/li><li>T\u00e1ch ri\u00eang m\u00e3 v\u1eadt t\u01b0 cho \u1ee7ng c\u00e1ch \u0111i\u1ec7n v\u00e0 \u1ee7ng cao su th\u00f4ng th\u01b0\u1eddng trong h\u1ec7 th\u1ed1ng kho, tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng d\u00f9ng chung m\u1ed9t m\u00e3.<\/li><li>Ghi r\u00f5 tr\u00ean phi\u1ebfu c\u1ea5p ph\u00e1t v\u1ecb tr\u00ed c\u00f4ng vi\u1ec7c n\u00e0o \u0111\u01b0\u1ee3c d\u00f9ng lo\u1ea1i n\u00e0o, \u0111\u1ec3 ng\u01b0\u1eddi nh\u1eadn kh\u00f4ng t\u1ef1 suy di\u1ec5n.<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1edbi c\u00f4ng vi\u1ec7c ph\u1ea3i l\u1ed9i n\u01b0\u1edbc, \u0111\u1ee9ng tr\u00ean n\u1ec1n \u1ea9m ho\u1eb7c leo c\u1ed9t ngo\u00e0i tr\u1eddi, <a href=\"https:\/\/www.baohoxanh.com\/ung-cach-dien\">\u1ee7ng c\u00e1ch \u0111i\u1ec7n cao c\u1ed5<\/a> l\u00e0 l\u1ef1a ch\u1ecdn h\u1ee3p l\u00fd v\u00ec che ph\u1ee7 c\u1ea3 ph\u1ea7n c\u1eb3ng ch\u00e2n. V\u1edbi thao t\u00e1c trong t\u1ee7 \u0111i\u1ec7n, ph\u00f2ng m\u00e1y hay nh\u00e0 x\u01b0\u1edfng kh\u00f4 r\u00e1o, <a href=\"https:\/\/www.baohoxanh.com\/giay-cach-dien\">gi\u00e0y c\u00e1ch \u0111i\u1ec7n th\u1ea5p c\u1ed5<\/a> nh\u1eb9 h\u01a1n v\u00e0 mang \u0111\u01b0\u1ee3c su\u1ed1t ca. Hai d\u00f2ng n\u00e0y c\u00f9ng nguy\u00ean t\u1eafc th\u1eed nghi\u1ec7m, ch\u1ec9 kh\u00e1c nhau \u1edf ki\u1ec3u d\u00e1ng v\u00e0 ph\u1ea1m vi che ph\u1ee7.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">B\u1ea3o Qu\u1ea3n Sai L\u00e0m M\u1ea5t Kh\u1ea3 N\u0103ng C\u00e1ch \u0110i\u1ec7n Tr\u01b0\u1edbc Khi \u0110\u1ebf \u1ee6ng K\u1ecbp M\u00f2n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Cao su c\u00e1ch \u0111i\u1ec7n l\u00e3o ho\u00e1 theo c\u1ea3 th\u1eddi gian l\u1eabn \u0111i\u1ec1u ki\u1ec7n l\u01b0u kho, kh\u00f4ng ch\u1ec9 theo s\u1ed1 gi\u1edd s\u1eed d\u1ee5ng. Nhi\u1ec7t \u0111\u1ed9 cao, n\u1eafng chi\u1ebfu tr\u1ef1c ti\u1ebfp, ozone t\u1eeb \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n v\u00e0 d\u1ea7u m\u1ee1 \u0111\u1ec1u l\u00e0m v\u1eadt li\u1ec7u gi\u00f2n d\u1ea7n. M\u1ed9t \u0111\u00f4i \u1ee7ng c\u00f2n nguy\u00ean gai \u0111\u1ebf nh\u01b0ng th\u00e2n \u0111\u00e3 r\u1ea1n ch\u00e2n chim l\u00e0 \u0111\u00f4i \u1ee7ng \u0111\u00e3 h\u1ecfng v\u1ec1 m\u1eb7t \u0111i\u1ec7n, d\u00f9 nh\u00ecn b\u1ec1 ngo\u00e0i v\u1eabn th\u1ea5y d\u00f9ng \u0111\u01b0\u1ee3c. G\u1ea5p g\u1ecdn \u1ee7ng cho ti\u1ebft ki\u1ec7m ch\u1ed7 c\u0169ng t\u1ea1o n\u1ebfp g\u00e3y c\u1ed1 \u0111\u1ecbnh, ch\u00ednh l\u00e0 \u0111i\u1ec3m s\u1ebd n\u1ee9t tr\u01b0\u1edbc ti\u00ean.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1ch l\u01b0u tr\u1eef h\u1ee3p l\u00fd l\u00e0 d\u1ef1ng \u0111\u1ee9ng ho\u1eb7c treo \u1ee7ng \u1edf n\u01a1i kh\u00f4 tho\u00e1ng, tr\u00e1nh n\u1eafng v\u00e0 xa ngu\u1ed3n nhi\u1ec7t. Sau m\u1ed7i ca, lau s\u1ea1ch b\u00f9n \u0111\u1ea5t c\u00f9ng ho\u00e1 ch\u1ea5t b\u00e1m b\u00ean ngo\u00e0i r\u1ed3i \u0111\u1ec3 kh\u00f4 t\u1ef1 nhi\u00ean. Tr\u01b0\u1edbc m\u1ed7i l\u1ea7n d\u00f9ng, ng\u01b0\u1eddi mang c\u1ea7n t\u1ef1 ki\u1ec3m tra b\u1eb1ng m\u1eaft v\u00e0 b\u1eb1ng tay: soi t\u00ecm v\u1ebft c\u1eaft, v\u1ebft th\u1ee7ng, ch\u1ed7 ph\u1ed3ng r\u1ed9p, \u0111\u1ed3ng th\u1eddi b\u00f3p nh\u1eb9 th\u00e2n \u1ee7ng \u0111\u1ec3 ph\u00e1t hi\u1ec7n ch\u1ed7 c\u1ee9ng b\u1ea5t th\u01b0\u1eddng. Th\u1ea5y b\u1ea5t th\u01b0\u1eddng th\u00ec lo\u1ea1i kh\u1ecfi tuy\u1ebfn s\u1eed d\u1ee5ng ngay.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Chu k\u1ef3 th\u1eed l\u1ea1i \u0111\u1ecbnh k\u1ef3 n\u00ean do b\u1ed9 ph\u1eadn an to\u00e0n quy \u0111\u1ecbnh d\u1ef1a tr\u00ean khuy\u1ebfn ngh\u1ecb c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t v\u00e0 \u0111i\u1ec1u ki\u1ec7n th\u1ef1c t\u1ebf t\u1ea1i \u0111\u01a1n v\u1ecb, c\u00f3 ghi nh\u1eadn b\u1eb1ng bi\u00ean b\u1ea3n. \u0110\u00f4i \u1ee7ng \u0111\u00e3 h\u1ebft h\u1ea1n th\u1eed kh\u00f4ng n\u00ean \u0111\u1ec3 l\u1eabn v\u1edbi h\u00e0ng c\u00f2n h\u1ea1n trong kho; c\u00e1ch x\u1eed l\u00fd g\u1ecdn l\u00e0 \u0111\u00e1nh d\u1ea5u v\u00e0 chuy\u1ec3n sang khu v\u1ef1c ri\u00eang. Vi\u1ec7c n\u00e0y nghe n\u1eb7ng th\u1ee7 t\u1ee5c nh\u01b0ng l\u1ea1i l\u00e0 th\u1ee9 ch\u1eb7n \u0111\u1ee9ng chu\u1ed7i nh\u1ea7m l\u1eabn n\u00eau \u1edf \u0111\u1ea7u b\u00e0i.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/www.baohoxanh.com\/blog\/wp-content\/uploads\/2016\/08\/ung-cach-dien-an-toan.jpg\" alt=\"\u1ee6ng c\u00e1ch \u0111i\u1ec7n x\u1ebfp d\u1ef1ng \u0111\u1ee9ng trong kho kh\u00f4 tho\u00e1ng tr\u00e1nh n\u1eafng\" loading=\"lazy\" width=\"640\" height=\"640\" title=\"\"><figcaption class=\"wp-element-caption\">L\u01b0u kho kh\u00f4 tho\u00e1ng v\u00e0 ki\u1ec3m tra tr\u01b0\u1edbc m\u1ed7i ca gi\u00fap gi\u1eef kh\u1ea3 n\u0103ng c\u00e1ch \u0111i\u1ec7n<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">R\u00fat l\u1ea1i, ch\u1ec9 c\u00f3 m\u1ed9t c\u00e2u h\u1ecfi c\u1ea7n \u0111\u1eb7t tr\u01b0\u1edbc khi k\u00fd duy\u1ec7t b\u1ea5t k\u1ef3 \u0111\u01a1n \u1ee7ng n\u00e0o: \u0111\u00f4i n\u00e0y \u0111\u1ec3 ch\u1ed1ng n\u01b0\u1edbc hay \u0111\u1ec3 ch\u1ed1ng \u0111i\u1ec7n. C\u00e2u h\u1ecfi \u0111\u00f3 n\u00ean n\u1eb1m ngay d\u00f2ng \u0111\u1ea7u c\u1ee7a phi\u1ebfu \u0111\u1ec1 ngh\u1ecb mua, tr\u01b0\u1edbc c\u1ea3 ph\u1ea7n ghi s\u1ed1 l\u01b0\u1ee3ng. N\u1ebfu c\u00e2u tr\u1ea3 l\u1eddi l\u00e0 ch\u1ed1ng \u0111i\u1ec7n, m\u1ecdi ti\u00eau ch\u00ed kh\u00e1c g\u1ed3m m\u00e0u s\u1eafc, \u0111\u1ed9 d\u00e0y hay \u0111\u1ed9 b\u00e1m \u0111\u1ebf \u0111\u1ec1u x\u1ebfp sau c\u1ea5p \u0111i\u1ec7n \u00e1p ghi tr\u00ean nh\u00e3n v\u00e0 bi\u00ean b\u1ea3n th\u1eed nghi\u1ec7m \u0111i k\u00e8m.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u1ee6ng cao su c\u00e1ch \u0111i\u1ec7n \u0111\u1ea3m b\u1ea3o an to\u00e0n khi s\u1eeda ch\u1eefa v\u00e0 l\u1eafp \u0111\u1eb7t m\u1ea1ng l\u01b0\u1edbi \u0111i\u1ec7n.<\/p>\n","protected":false},"author":548,"featured_media":50954,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6919,5383,5386,1],"tags":[291,2547,155,505],"class_list":["post-50952","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cac-bai-co-traffic","category-hoi-dap","category-huong-dan","category-tin-tuc","tag-ung-bao-ho","tag-ung-cach-dien-35kv","tag-ung-cao-su","tag-ung-cao-su-cach-dien"],"_links":{"self":[{"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/posts\/50952","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/users\/548"}],"replies":[{"embeddable":true,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/comments?post=50952"}],"version-history":[{"count":9,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/posts\/50952\/revisions"}],"predecessor-version":[{"id":82558,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/posts\/50952\/revisions\/82558"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/media\/50954"}],"wp:attachment":[{"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/media?parent=50952"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/categories?post=50952"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/tags?post=50952"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}