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this is what code says:( {! Y% S3 R1 b" b# u' R! E# y
4-028: Identification of insulated neutral conductors up to and including No. 2 AWG
& d# c: z1 A' }$ e$ J; k0 Kcopper or aluminum
4 Q& n! l1 _3 e/ z2 j5 v(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including% n: B+ ?* G% p# J C
No. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to
1 y0 |, q# m, G& l/ Y8 Z0 M) M5 Vsuch neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes
6 H c0 X4 c4 W3 Q4 [! b/ L! q5 Oalong the entire length of the conductor.
5 _1 M& d% f1 Z' D9 E/ r(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure
( ?0 y7 D7 U5 J" Z2 U( Nand the identified circuit conductor of one system is coloured by a white or grey covering, each identified/ G+ M: E3 L% B/ @1 r
circuit conductor of the other system, if present, shall be provided with a specific identification, and the7 h. q! ~ P- Y" u- e( v9 T( H
identification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not8 t2 i$ q7 z9 Z1 h; t$ z
green) running along the insulation.
( ^7 e$ _5 x4 X8 R6 \1 q(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of$ t8 G$ e( W7 R0 c8 @ O% ^) {1 A! ?
an identified conductor; however, in the case of those flexible cords where the identified conductor is
4 u# D; r! X' F+ ^+ g7 E3 f4 _identified by a raised longitudinal ridge(s), the other conductors shall have no ridges.
" a$ o, T; L" U. N3 Q(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked* T1 E: l. M0 y# [; F, r
as the identified conductor by painting or other suitable means at every point where the separate
9 `6 y' J0 V) x) K* [; jconductors have been rendered accessible and visible by removal of the outer covering of the cable, and
# I7 y ^: i# }: m3 G) \0 \the painting or other suitable means of marking the identified conductor shall not be permitted to render8 Z0 K4 B; i$ y* l! g6 l r
illegible the manufacturer’s numbering of the conductor. |
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