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this is what code says:6 O0 ~' Q' \0 }
4-028: Identification of insulated neutral conductors up to and including No. 2 AWG! R# B0 j5 ?, ~8 I
copper or aluminum( Z1 w! G; s( X. Z
(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including
2 h; f% j/ x! P$ TNo. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to
% V& r" C: T1 Q/ e/ j9 O: rsuch neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes
7 p g: {6 Y# v" s) walong the entire length of the conductor.. Z8 C) K- H% `
(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure; X$ A# w4 [& k7 r
and the identified circuit conductor of one system is coloured by a white or grey covering, each identified: P1 y# h* Z7 }' o D3 Q6 H/ E
circuit conductor of the other system, if present, shall be provided with a specific identification, and the: g9 n( B0 v( m" m; _) N! B
identification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not# y9 p7 V& }4 n1 g/ [) W" s& ~
green) running along the insulation.1 n! I; k9 m6 T6 I1 T# O) {5 P
(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of- N/ L) x) N# H. y! Z( T* ?% S' E' m1 X
an identified conductor; however, in the case of those flexible cords where the identified conductor is) S# M% ^" R) U0 b6 ?$ t9 z
identified by a raised longitudinal ridge(s), the other conductors shall have no ridges.
- s5 F6 L {: E' p: z& Q(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked1 l$ W4 u3 @9 @* z( }4 C
as the identified conductor by painting or other suitable means at every point where the separate
D/ ^$ _& ~4 ]4 f- ?) r8 wconductors have been rendered accessible and visible by removal of the outer covering of the cable, and
) t' m+ {9 j2 ^2 N4 j# Ithe painting or other suitable means of marking the identified conductor shall not be permitted to render
( @# a5 c# n5 X+ ^9 Pillegible the manufacturer’s numbering of the conductor. |
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