{"id":3131,"date":"2026-10-11T02:02:35","date_gmt":"2026-10-11T02:02:35","guid":{"rendered":"https:\/\/yocl.com\/?wpr2_import=65b5b97b343b0198fa35af032d7c6b8cf6a6a43dddfb29cccb5e1bc6afa76573"},"modified":"2026-10-11T02:02:35","modified_gmt":"2026-10-11T02:02:35","slug":"industrial-plug-clock-positions-colour-codes","status":"publish","type":"post","link":"https:\/\/yocl.com\/vi\/industrial-plug-clock-positions-colour-codes\/","title":{"rendered":"V\u1ecb tr\u00ed Gi\u1edd v\u00e0 M\u00e3 M\u00e0u Ph\u00edch c\u1eafm C\u00f4ng nghi\u1ec7p: H\u01b0\u1edbng d\u1eabn \u0110\u1ecdc"},"content":{"rendered":"<p><strong>M\u00e0u s\u1eafc c\u1ee7a ph\u00edch c\u1eafm c\u00f4ng nghi\u1ec7p l\u00e0 d\u1ea5u hi\u1ec7u nh\u1eadn bi\u1ebft d\u1ea3i \u0111i\u1ec7n \u00e1p; m\u00e3 gi\u1edd c\u1ee7a n\u00f3, ch\u1eb3ng h\u1ea1n nh\u01b0 4h, 6h ho\u1eb7c 9h, x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed m\u00e3 h\u00f3a c\u01a1 h\u1ecdc. \u0110\u1ecdc c\u1ea3 hai c\u00f9ng v\u1edbi c\u00e1ch b\u1ed1 tr\u00ed c\u1ef1c v\u00e0 \u0111\u1ecbnh m\u1ee9c ghi tr\u00ean \u0111\u00f3. M\u00e0u xanh lam kh\u00f4ng x\u00e1c \u0111\u1ecbnh m\u1ecdi t\u00ednh n\u0103ng c\u1ee7a \u0111\u1ea7u n\u1ed1i, v\u00e0 6h kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng c\u00f3 ngh\u0129a l\u00e0 230 V.<\/strong><\/p>\n<p>H\u01b0\u1edbng d\u1eabn n\u00e0y bao g\u1ed3m h\u1ec7 th\u1ed1ng \u0111\u1ecdc ch\u00e2n c\u1eafm v\u00e0 r\u00e3nh quen thu\u1ed9c IEC 60309 cho c\u00e1c ph\u1ee5 ki\u1ec7n tr\u00ean 50 V. \u0110\u1ed1i v\u1edbi s\u1ef1 kh\u00e1c bi\u1ec7t r\u1ed9ng h\u01a1n gi\u1eefa ph\u00edch c\u1eafm, kh\u1edbp n\u1ed1i c\u00e1p, \u1ed5 c\u1eafm v\u00e0 \u0111\u1ea7u v\u00e0o thi\u1ebft b\u1ecb, xem <a href=\"https:\/\/yocl.com\/vi\/industrial-plugs-sockets-explained\/\">Gi\u1ea3i th\u00edch Ph\u00edch c\u1eafm v\u00e0 \u1ed4 c\u1eafm C\u00f4ng nghi\u1ec7p<\/a>.<\/p>\n<h2>Thi\u1ebft l\u1eadp G\u00f3c nh\u00ecn Tr\u01b0\u1edbc khi \u0110\u1ecdc M\u00e3 Gi\u1edd<\/h2>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c ph\u1ee5 ki\u1ec7n tr\u00ean 50 V, h\u00e3y \u0111\u1ecdc <strong>\u1ed1ng ti\u1ebfp \u0111\u1ecba trong g\u00f3c nh\u00ecn ph\u00eda tr\u01b0\u1edbc c\u1ee7a \u1ed5 c\u1eafm<\/strong>, r\u00e3nh then ch\u1ed1t \u1edf v\u1ecb tr\u00ed s\u00e1u gi\u1edd. Ph\u00edch c\u1eafm t\u01b0\u01a1ng \u1ee9ng gi\u1eef nguy\u00ean m\u00e3 \u0111\u00f3: IEC 60309-2:2021, \u0111i\u1ec1u kho\u1ea3n 7.1, <a href=\"https:\/\/cdn.standards.iteh.ai\/samples\/100324\/f1bbcc8bf6944a66a4603ce3992d4cd7\/IEC-60309-2-2021.pdf\" target=\"_blank\" rel=\"noopener\">m\u1eabu c\u00f4ng khai, trang in 11<\/a>.<\/p>\n<p>\u0110\u1ecdc ch\u1ebf \u0111\u1ed9 xem tham chi\u1ebfu nh\u01b0 sau:<\/p>\n<ol>\n<li>H\u01b0\u1edbng m\u1eb7t c\u1ee7a \u1ed5 c\u1eafm v\u1ec1 ph\u00eda gh\u00e9p n\u1ed1i.<\/li>\n<li>Xoay then ch\u1ed1t ch\u00ednh xu\u1ed1ng d\u01b0\u1edbi.<\/li>\n<li>So s\u00e1nh v\u1ecb tr\u00ed ti\u1ebfp x\u00fac n\u1ed1i \u0111\u1ea5t v\u1edbi m\u1eb7t \u0111\u1ed3ng h\u1ed3.<\/li>\n<\/ol>\n<p>\u1ede ch\u1ebf \u0111\u1ed9 xem \u0111\u00f3, <strong>6h \u1edf d\u01b0\u1edbi c\u00f9ng, 9h \u1edf b\u00ean tr\u00e1i v\u00e0 4h \u1edf ph\u00eda d\u01b0\u1edbi b\u00ean ph\u1ea3i<\/strong>. Ch\u1eef c\u00e1i <em>h<\/em> ghi l\u1ea1i v\u1ecb tr\u00ed \u0111\u1ed3ng h\u1ed3; \u0111\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 kho\u1ea3ng th\u1eddi gian hay s\u1ed1 l\u01b0\u1ee3ng pha.<\/p>\n<figure class=\"wp-block-image\">\n<img decoding=\"async\" src=\"https:\/\/yocl.com\/wp-content\/uploads\/2026\/10\/industrial-plug-clock-positions-colour-codes-socket-reference.webp\" alt=\"Conceptual socket-front reference showing an earth contact at 6h and 9h with the main keyway downward in both views\"><figcaption>Tham chi\u1ebfu m\u1eb7t tr\u01b0\u1edbc \u1ed5 c\u1eafm, ph\u00eda tr\u00ean 50 V. Ch\u1ec9 hi\u1ec3n th\u1ecb v\u1ecb tr\u00ed ti\u1ebfp \u0111\u1ecba v\u00e0 r\u00e3nh kh\u00f3a; \u0111\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 s\u01a1 \u0111\u1ed3 ti\u1ebfp \u0111i\u1ec3m ho\u00e0n ch\u1ec9nh hay s\u01a1 \u0111\u1ed3 \u0111\u1ea5u d\u00e2y.<\/figcaption><\/figure>\n<p><strong>H\u01b0\u1edbng m\u1eb7t tr\u01b0\u1edbc \u1ed5 c\u1eafm kh\u00f4ng ph\u1ea3i l\u00e0 b\u1ea3n \u0111\u1ed3 \u0111\u1ea7u c\u1ef1c ph\u00eda sau.<\/strong> S\u1eed d\u1ee5ng b\u1ea3n v\u1ebd c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u1ea7u c\u1ef1c; kh\u00f4ng t\u1ef1 \u00fd g\u00e1n \u0111\u1ea7u c\u1ef1c t\u1eeb \u1ea3nh ch\u1ee5p kh\u00f4ng c\u00f3 nh\u00e3n.<\/p>\n<h2>C\u00e1c t\u1ed5 h\u1ee3p M\u00e0u s\u1eafc v\u00e0 V\u1ecb tr\u00ed \u0111\u1ed3ng h\u1ed3 ph\u1ed5 bi\u1ebfn trong danh m\u1ee5c c\u1ee7a YOCL<\/h2>\n<p>B\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t <strong>tra c\u1ee9u danh m\u1ee5c YOCL \u0111\u00e3 ch\u1ecdn<\/strong>, kh\u00f4ng ph\u1ea3i l\u00e0 b\u1ea3n sao c\u1ee7a m\u1ecdi IEC k\u1ebft h\u1ee3p \u0111i\u1ec7n \u00e1p\/t\u1ea7n s\u1ed1. Gi\u00e1 tr\u1ecb v\u00e0 m\u00e3 \u0111\u1ecbnh danh ki\u1ec3u m\u00e1y l\u1ea5y t\u1eeb <a href=\"https:\/\/yocl.com\/vi\/product\/ip44-industrial-plugs\/\">YOCL IP44 b\u1ea3ng c\u1eafm c\u00f4ng nghi\u1ec7p<\/a>.<\/p>\n<table>\n<thead>\n<tr>\n<th>M\u00e0u th\u00e2n<\/th>\n<th>B\u1ed1 tr\u00ed c\u1ef1c<\/th>\n<th>\u0110i\u1ec7n \u00e1p ho\u1ea1t \u0111\u1ed9ng \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea<\/th>\n<th>V\u1ecb tr\u00ed gi\u1edd<\/th>\n<th>Ki\u1ec3u m\u1eabu v\u00ed d\u1ee5<\/th>\n<th>D\u00f2ng \u0111i\u1ec7n \u0111\u1ecbnh m\u1ee9c<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>V\u00e0ng<\/td>\n<td>2P+E<\/td>\n<td>110\u2013130 V<\/td>\n<td>4h<\/td>\n<td>NM-013H-4<\/td>\n<td>16 A<\/td>\n<\/tr>\n<tr>\n<td>Xanh d\u01b0\u01a1ng<\/td>\n<td>2P+E<\/td>\n<td>220\u2013240 V<\/td>\n<td>6h<\/td>\n<td>NM-013H<\/td>\n<td>16 A<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ecf<\/td>\n<td>3P+E<\/td>\n<td>380\u2013415 V<\/td>\n<td>6h<\/td>\n<td>NM-014H<\/td>\n<td>16 A<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ecf<\/td>\n<td>3P+N+E<\/td>\n<td>220\u2013380 \/ 240\u2013415 V, nh\u01b0 \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea<\/td>\n<td>6h<\/td>\n<td>NM-015H<\/td>\n<td>16 A<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ecf<\/td>\n<td>2P+E<\/td>\n<td>380\u2013415 V<\/td>\n<td>9gi\u1edd<\/td>\n<td>NM-013L-9<\/td>\n<td>16 A<\/td>\n<\/tr>\n<tr>\n<td>Xanh d\u01b0\u01a1ng<\/td>\n<td>3P+E<\/td>\n<td>220\u2013240 V<\/td>\n<td>9gi\u1edd<\/td>\n<td>NM-014L-9<\/td>\n<td>16 A<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>E<\/strong> bi\u1ec3u th\u1ecb ti\u1ebfp \u0111\u1ecba b\u1ea3o v\u1ec7; <strong>N<\/strong> bi\u1ec3u th\u1ecb trung t\u00ednh. C\u00e1c k\u00fd hi\u1ec7u c\u1ef1c \u1edf tr\u00ean t\u01b0\u01a1ng \u1ee9ng v\u1edbi ba, b\u1ed1n v\u00e0 n\u0103m ti\u1ebfp \u0111i\u1ec3m ch\u00ednh. M\u1ed9t k\u00fd hi\u1ec7u 2P+E ba ti\u1ebfp \u0111i\u1ec3m \u0111\u01a1n l\u1ebb kh\u00f4ng x\u00e1c \u0111\u1ecbnh m\u1ea1ch \u0111i\u1ec7n l\u00e0 pha-c\u1ed9ng-trung t\u00ednh thay v\u00ec pha-c\u1ed9ng-pha; h\u00e3y \u0111\u1ecdc t\u00e0i li\u1ec7u v\u1ec1 ngu\u1ed3n c\u1ea5p v\u00e0 \u0111\u1ea7u n\u1ed1i.<\/p>\n<p>\u0110\u1ed1i v\u1edbi h\u00e0ng n\u0103m ch\u00e2n, v\u0103n b\u1ea3n \u0111i\u1ec7n \u00e1p \u0111\u01b0\u1ee3c gi\u1eef nguy\u00ean t\u1eeb danh m\u1ee5c. Kh\u00f4ng chuy\u1ec3n k\u00fd hi\u1ec7u gh\u00e9p \u0111\u00f4i c\u1ee7a n\u00f3 th\u00e0nh m\u1ed9t \u0111i\u1ec7n \u00e1p cung c\u1ea5p gi\u1ea3 \u0111\u1ecbnh duy nh\u1ea5t. X\u00e1c nh\u1eadn c\u00e1c gi\u00e1 tr\u1ecb pha-trung t\u00ednh v\u00e0 pha-pha d\u1ef1 ki\u1ebfn khi ch\u1ec9 \u0111\u1ecbnh m\u1eabu \u0111\u00f3.<\/p>\n<p>C\u00e1c b\u1ea3ng ph\u00edch c\u1eafm \u0111\u01b0\u1ee3c ch\u1ecdn kh\u00f4ng ghi t\u1ea7n s\u1ed1 cho c\u00e1c h\u00e0ng n\u00e0y. C\u00e1c <a href=\"https:\/\/yocl.com\/vi\/industrial-plugs-sockets-manufacturer\/\">b\u1ed9 ch\u1ecdn d\u1ea3i YOCL<\/a> y\u00eau c\u1ea7u t\u1ea7n s\u1ed1 l\u00e0m \u0111\u1ea7u v\u00e0o ch\u1ec9 \u0111\u1ecbnh ri\u00eang, v\u00ec v\u1eady h\u00e3y ghi l\u1ea1i n\u00f3 thay v\u00ec gi\u1ea3 \u0111\u1ecbnh vi\u1ec7c b\u1ecf s\u00f3t trong danh m\u1ee5c c\u00f3 ngh\u0129a l\u00e0 s\u1eed d\u1ee5ng kh\u00f4ng h\u1ea1n ch\u1ebf.<\/p>\n<h3>M\u00e0u s\u1eafc cho ph\u00e9p b\u1ea1n nh\u1eadn bi\u1ebft \u0111i\u1ec1u g\u00ec<\/h3>\n<p>Trong c\u00e1c v\u00ed d\u1ee5 danh m\u1ee5c n\u00e0y, m\u00e0u v\u00e0ng x\u00e1c \u0111\u1ecbnh t\u00f9y ch\u1ecdn 110\u2013130 V \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea, m\u00e0u xanh lam x\u00e1c \u0111\u1ecbnh c\u00e1c t\u00f9y ch\u1ecdn 220\u2013240 V \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea v\u00e0 m\u00e0u \u0111\u1ecf x\u00e1c \u0111\u1ecbnh c\u00e1c t\u00f9y ch\u1ecdn 380\u2013415 V \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea v\u00e0 m\u1ee5c \u0111i\u1ec7n \u00e1p gh\u00e9p \u0111\u00f4i n\u0103m ch\u00e2n. \u0110\u00e2y l\u00e0 nh\u1eefng \u0111i\u1ec3m kh\u1edfi \u0111\u1ea7u tr\u1ef1c quan h\u1eefu \u00edch \u0111\u1ec3 s\u1eafp x\u1ebfp danh m\u1ee5c.<\/p>\n<p>T\u1ef7 l\u1ec7 <strong>d\u1ea5u hi\u1ec7u \u0111i\u1ec7n \u00e1p ho\u1ea1t \u0111\u1ed9ng \u0111\u01b0\u1ee3c in l\u00e0 \u0111\u1ea7u v\u00e0o ch\u00ednh x\u00e1c<\/strong>. Nh\u00e3n cung c\u1ea5p danh ngh\u0129a, d\u1ea3i m\u00e3 m\u00e0u r\u1ed9ng v\u00e0 d\u1ea3i \u0111i\u1ec7n \u00e1p \u0111\u00e3 khai b\u00e1o c\u1ee7a m\u1ed9t m\u1eabu c\u1ee5 th\u1ec3 kh\u00f4ng n\u00ean \u0111\u01b0\u1ee3c coi l\u00e0 c\u00f3 th\u1ec3 thay th\u1ebf cho nhau. C\u00e1c d\u1ea3i m\u00e0u kh\u00e1c, c\u1ea5u h\u00ecnh c\u1ee5 th\u1ec3 t\u1ea7n s\u1ed1 v\u00e0 d\u00f2ng s\u1ea3n ph\u1ea9m theo khu v\u1ef1c c\u1ea7n c\u00f3 b\u1ea3ng \u00e1p d\u1ee5ng ri\u00eang; danh s\u00e1ch r\u00fat g\u1ecdn n\u00e0y kh\u00f4ng th\u1ec3 ch\u1ecdn ch\u00fang.<\/p>\n<h2>\u0110\u1ecdc H\u00e0ng C\u1ef1c Tr\u01b0\u1edbc Khu V\u1ef1c \u0110\u1ed3ng H\u1ed3<\/h2>\n<p>Bi\u1ec3u \u0111\u1ed3 \u0111\u1ed3ng h\u1ed3 tr\u00f2n c\u00f3 th\u1ec3 ch\u1ee9a nhi\u1ec1u v\u00f2ng. B\u1eaft \u0111\u1ea7u v\u1edbi v\u00f2ng cho c\u00e1ch b\u1ed1 tr\u00ed c\u1ef1c th\u1ef1c t\u1ebf, sau \u0111\u00f3 \u0111\u1ecdc khu v\u1ef1c \u0111i\u1ec7n \u00e1p\/t\u1ea7n s\u1ed1 v\u00e0 v\u1ecb tr\u00ed n\u1ed1i \u0111\u1ea5t c\u1ee7a n\u00f3. \u0110\u1ecdc c\u00f9ng m\u1ed9t khu v\u1ef1c tr\u00ean m\u1ed9t v\u00f2ng kh\u00e1c c\u00f3 th\u1ec3 cho ra th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt \u0111\u1ea7u n\u1ed1i kh\u00e1c nhau.<\/p>\n<p>Hai ph\u00e9p so s\u00e1nh t\u1eeb b\u1ea3ng l\u00e0m cho v\u1ea5n \u0111\u1ec1 tr\u1edf n\u00ean c\u1ee5 th\u1ec3.<\/p>\n<h3>C\u00f9ng M\u00e0u Xanh, M\u00e3 \u0110\u1ed3ng H\u1ed3 Kh\u00e1c Nhau<\/h3>\n<p>NM-013H v\u00e0 NM-014L-9 \u0111\u1ec1u \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea l\u00e0 m\u00e0u xanh lam, 16 A v\u00e0 220\u2013240 V. Tuy nhi\u00ean:<\/p>\n<ul>\n<li><strong>NM-013H:<\/strong> 2P+E, ba ti\u1ebfp \u0111i\u1ec3m, <strong>6h<\/strong>.<\/li>\n<li><strong>NM-014L-9:<\/strong> 3P+E, four contacts, <strong>9gi\u1edd<\/strong>.<\/li>\n<\/ul>\n<p>A request for a \u201cblue 16 A industrial plug\u201d leaves the pole arrangement and clock designation unresolved. The two rows describe different interfaces, despite sharing colour, current and listed voltage.<\/p>\n<h3>Same 6h Code, Different Voltage and Contacts<\/h3>\n<p>NM-013H and NM-014H both have a 6h designation and a listed 16 A rating. The first is blue, 2P+E and 220\u2013240 V; the second is red, 3P+E and 380\u2013415 V.<\/p>\n<p>Consequently, <strong>\u201c6h plug\u201d is incomplete<\/strong>, just as \u201cblue plug\u201d is incomplete. Clock coding needs the other fields to become a meaningful specification. Neither example establishes permission to adapt one circuit to another.<\/p>\n<h2>Separate the Information on the Marking<\/h2>\n<p>Separate current, clock code and voltage before comparing parts. Below, NM-013H&#8217;s catalogue values appear as three external annotations, rather than a transcription of a physical rating plate.<\/p>\n<figure class=\"wp-block-image\">\n<img decoding=\"async\" src=\"https:\/\/yocl.com\/wp-content\/uploads\/2026\/10\/industrial-plug-clock-positions-colour-codes-rating-fields.webp\" alt=\"Blue industrial plug with separate catalogue annotations for 16 A, 6h and 220 to 240 V, distinguishing current, clock code and voltage\"><figcaption>Illustrative catalogue annotations for NM-013H. These external labels are not a photograph of the model&#8217;s actual rating inscription.<\/figcaption><\/figure>\n<p>Use this record when reading a product or requesting its mating part:<\/p>\n<table>\n<thead>\n<tr>\n<th>Record separately<\/th>\n<th>What to copy or confirm<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Component format<\/td>\n<td>Plug, portable cable coupler, fixed socket or appliance inlet<\/td>\n<\/tr>\n<tr>\n<td>B\u1ed1 tr\u00ed c\u1ef1c<\/td>\n<td>Full expression, such as 2P+E or 3P+N+E<\/td>\n<\/tr>\n<tr>\n<td>D\u00f2ng \u0111i\u1ec7n \u0111\u1ecbnh m\u1ee9c<\/td>\n<td>Exact ampere value and applicable size series<\/td>\n<\/tr>\n<tr>\n<td>Operating voltage and supply<\/td>\n<td>Full marking, including paired values and AC\/DC identification where given<\/td>\n<\/tr>\n<tr>\n<td>T\u1ea7n s\u1ed1<\/td>\n<td>Published marking or confirmed model specification<\/td>\n<\/tr>\n<tr>\n<td>Clock designation<\/td>\n<td>Complete number plus h, interpreted in the correct reference view<\/td>\n<\/tr>\n<tr>\n<td>Environmental and mechanical details<\/td>\n<td>Required protection, locking arrangement, cable entry or mounting format<\/td>\n<\/tr>\n<tr>\n<td>Mating accessory<\/td>\n<td>Exact existing part identifier, photograph and manufacturer&#8217;s compatibility confirmation<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Colour can accompany this record, but cannot replace its electrical or mechanical fields. Likewise, an IP marking concerns protection and does not tell you the clock position.<\/p>\n<h2>Where This Reading Method Stops<\/h2>\n<p><strong>At or below 50 V, the minor key supplies the clock reference<\/strong>, relative to the major key. This guide&#8217;s earth-contact rule does not apply.<\/p>\n<p><strong>Special supply systems need the full applicable reference.<\/strong> Do not fill unlisted clock sectors with guesses or select a high-frequency or DC connector from a familiar mains-colour example. Check the relevant standard configuration and the model&#8217;s documentation.<\/p>\n<p><strong>Coding is not an installation approval.<\/strong> <a href=\"https:\/\/webstore.iec.ch\/en\/publication\/59916\" target=\"_blank\" rel=\"noopener\">IEC 60309-1:2021<\/a> covers general accessory requirements; <a href=\"https:\/\/webstore.iec.ch\/en\/publication\/59919\" target=\"_blank\" rel=\"noopener\">IEC 60309-2:2021<\/a> addresses dimensional compatibility for standardized pin-and-contact-tube accessories. IEC&#8217;s current Part 2 publication includes an August 2026 correction. The clause-reading explanations here use the accessible original 2021 sample; that sample is not the full corrected publication or evidence of any individual product&#8217;s certification.<\/p>\n<p>For a replacement, use the existing accessory&#8217;s full designation to start the enquiry. YOCL&#8217;s <a href=\"https:\/\/yocl.com\/vi\/industrial-plugs-sockets-manufacturer\/\">industrial plugs and sockets range<\/a> v\u00e0 <a href=\"https:\/\/yocl.com\/vi\/product\/ip44-industrial-cable-couplers\/\">IP44 cable coupler catalogue<\/a> provide product routes. Send the specification record and the existing mating-part details for confirmation before ordering; the clock diagram does not establish wiring, circuit protection or suitability for the installation.<\/p>\n<h2>T\u00e0i li\u1ec7u tham kh\u1ea3o<\/h2>\n<ul>\n<li>IEC \u2014 <a href=\"https:\/\/cdn.standards.iteh.ai\/samples\/100324\/f1bbcc8bf6944a66a4603ce3992d4cd7\/IEC-60309-2-2021.pdf\" target=\"_blank\" rel=\"noopener\">IEC 60309-2:2021 public sample<\/a>, edition 5.0, original 2021 text: clause 7.1. Limited sample; not the full August 2026 corrected publication.<\/li>\n<li>YOCL ELECTRIC \u2014 <a href=\"https:\/\/yocl.com\/vi\/product\/ip44-industrial-plugs\/\">IP44 ph\u00edch c\u1eafm c\u00f4ng nghi\u1ec7p<\/a>, published model tables accessed 11 October 2026; first-party catalogue declarations.<\/li>\n<li>YOCL ELECTRIC \u2014 <a href=\"https:\/\/yocl.com\/vi\/industrial-plugs-sockets-manufacturer\/\">Industrial plugs and sockets range<\/a>, specification selector accessed 11 October 2026; first-party information.<\/li>\n<li>IEC \u2014 <a href=\"https:\/\/webstore.iec.ch\/en\/publication\/59916\" target=\"_blank\" rel=\"noopener\">IEC 60309-1:2021, General requirements<\/a>, edition 5.0; official scope and publication information.<\/li>\n<li>IEC \u2014 <a href=\"https:\/\/webstore.iec.ch\/en\/publication\/59919\" target=\"_blank\" rel=\"noopener\">IEC 60309-2:2021, Dimensional compatibility requirements<\/a>, edition 5.0 including COR1:2026; official current publication information.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>An industrial plug&#8217;s colour is a voltage-family cue; its clock code, such as 4h, 6h or 9h, identifies a mechanical coding position. Read both together with the pole arrangement and printed ratings. Blue does not identify every feature of a connector, and 6h does not always mean 230 V. This guide covers the familiar IEC [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":3130,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[178],"tags":[],"class_list":["post-3131","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industrial-plugs-sockets"],"_links":{"self":[{"href":"https:\/\/yocl.com\/vi\/wp-json\/wp\/v2\/posts\/3131","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/yocl.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/yocl.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/yocl.com\/vi\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/yocl.com\/vi\/wp-json\/wp\/v2\/comments?post=3131"}],"version-history":[{"count":1,"href":"https:\/\/yocl.com\/vi\/wp-json\/wp\/v2\/posts\/3131\/revisions"}],"predecessor-version":[{"id":3132,"href":"https:\/\/yocl.com\/vi\/wp-json\/wp\/v2\/posts\/3131\/revisions\/3132"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/yocl.com\/vi\/wp-json\/wp\/v2\/media\/3130"}],"wp:attachment":[{"href":"https:\/\/yocl.com\/vi\/wp-json\/wp\/v2\/media?parent=3131"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/yocl.com\/vi\/wp-json\/wp\/v2\/categories?post=3131"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/yocl.com\/vi\/wp-json\/wp\/v2\/tags?post=3131"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}