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标题: UL地线绝缘层颜色要求 [打印本页]
作者: vickywu    时间: 2012-5-24 15:38
标题: UL地线绝缘层颜色要求
對於UL AWM(Appliance Wiring Material)的絕緣地線，其絕緣層無無規定特別的顏色，如黃色或綠色等。如有規定請專家告知，謝謝！
作者: wwnw_007    时间: 2012-5-24 15:51
麻烦看看UL想着标准吧！@应该有颜色的规定的
作者: sfw1984    时间: 2012-5-24 16:27
有些标准有明确规定用黄绿双色线，即使标准没有明确规定的，UL 也会要求用黄绿双色线！
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作者: vickywu    时间: 2012-5-24 16:37
sfw1984 发表于 2012-5-24 16:27 1 I, s/ ]1 P, U: {
有些标准有明确规定用黄绿双色线，即使标准没有明确规定的，UL 也会要求用黄绿双色线！
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謝謝！請問黃和綠的比例有要求嗎？
作者: vickywu    时间: 2012-5-24 16:38
wwnw_007 发表于 2012-5-24 15:51 + N1 F% A9 X2 e5 J/ q5 H# P5 ~
麻烦看看UL想着标准吧！@应该有颜色的规定的

' A1 f$ n9 f& f6 \我看了UL758沒看到此要求，才請教各位的
作者: fasten    时间: 2012-5-24 17:36
你可以参考UL62：
: q9 u3 K) v- k) l) I6 X9 Q4.1.9.1 Conductors shall be distinguished as follows:/ Z$ @, @) d0 g# ?$ v4 w; q
(a) Grounded (neutral) conductors shall be distinguished by one of the following methods, and9 z5 b" C4 v" g* z/ K
these colours shall be restricted to such use:
6 Y, P5 f3 S$ g(i) white or grey coloured braid;/ I  V$ Q& ^! f' i" Q' u
(ii) white or grey coloured insulation; for jacketed cords furnished with appliances, one
% W1 L! D' E7 ~$ k4 Fconductor may be light blue with the other conductors readily distinguishable from white
1 o8 v; o. l- Eor grey;# m) Y5 I5 h8 a, q2 Q
(iii) white or grey coloured separator in integral constructions only;
$ M& p$ b/ T; T(iv) tinned conductor on integral constructions only; or
. |) N" \" g! M+ o. W(v) one or more grooves, ridges, or white stripes on the exterior of integral
4 d! Z7 V, u5 h: g. x9 Xconstructions only.
( S: l- O) E& j; {/ s(b) Grounding conductors shall be distinguished by the colour green or a combination of the% S2 G7 W/ T% K2 _, Z
colours green and yellow. On a grounding conductor coloured green, one or more yellow stripes7 j% G+ Z% Q2 T0 b5 j
that cover no less than 5% and not more than 70% of the calculated circumference of the
+ _7 e7 V0 Q1 w5 \5 \2 z0 F+ ifinished conductor insulation shall be permitted.



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