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你可以参考UL62：
M6 n3 X9 _! V9 W4.1.9.1 Conductors shall be distinguished as follows:
, s0 W, q2 `9 Z/ x# L(a) Grounded (neutral) conductors shall be distinguished by one of the following methods, and# J' k% l* b# J" ~9 p
these colours shall be restricted to such use:/ q. l2 c; I. N7 l+ p5 j# H% P7 e% [ A
(i) white or grey coloured braid;% F. {0 k; q" w9 A
(ii) white or grey coloured insulation; for jacketed cords furnished with appliances, one
) Z. D1 r) ?1 Lconductor may be light blue with the other conductors readily distinguishable from white
3 B* s1 Q# ` k0 W2 {% u# k' Kor grey;
1 C" W9 A# [% V/ z: {4 Q(iii) white or grey coloured separator in integral constructions only;, }4 a( P; Q7 u* D0 c
(iv) tinned conductor on integral constructions only; or' g- v2 V% U8 N
(v) one or more grooves, ridges, or white stripes on the exterior of integral
: Q. f$ F9 o2 D' ]' S/ o0 @constructions only.
0 i9 |& _: P' o4 \7 r; T(b) Grounding conductors shall be distinguished by the colour green or a combination of the
( H4 b ^, j5 j6 d/ c- J9 Xcolours green and yellow. On a grounding conductor coloured green, one or more yellow stripes
1 j% J0 J) q; r6 y: v8 ?& p' {: c* Gthat cover no less than 5% and not more than 70% of the calculated circumference of the' d- h, p" ~9 W- C1 {
finished conductor insulation shall be permitted. |
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发表于 2012-5-24 15:38
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