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this is what code says:' z2 T' i7 x2 g1 a6 H! Z1 w
4-028: Identification of insulated neutral conductors up to and including No. 2 AWG Z+ J; G' j7 C; j/ [( v% Y
copper or aluminum$ n4 y: e/ {4 a
(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including
2 h8 `4 Z- t3 ANo. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to& }/ x& P1 ?1 f9 l- ^
such neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes% x. H; K8 ~/ d9 G+ T
along the entire length of the conductor.- `' z7 K+ j% O' p$ \" G7 H
(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure
- S+ X; W( R+ S% G9 l) w1 u9 _and the identified circuit conductor of one system is coloured by a white or grey covering, each identified7 N' m& N( F; }+ U* R8 p6 r) }
circuit conductor of the other system, if present, shall be provided with a specific identification, and the$ l1 |5 k: r8 D E
identification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not7 e+ @5 d" [) s. b, L
green) running along the insulation.
) A' u- y/ k' D9 z(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of6 q" m2 j+ _% E8 k$ F
an identified conductor; however, in the case of those flexible cords where the identified conductor is% \% Y* s+ v- V& f2 J; t
identified by a raised longitudinal ridge(s), the other conductors shall have no ridges.& u, h3 l9 [; o9 i) q% e, G2 [
(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked" v u4 I! S3 [- p
as the identified conductor by painting or other suitable means at every point where the separate O& i- v7 ^: ]" J
conductors have been rendered accessible and visible by removal of the outer covering of the cable, and# W( f+ |! o2 e' T& o
the painting or other suitable means of marking the identified conductor shall not be permitted to render
5 ~! d2 V7 x5 ~4 R8 J( v2 {% tillegible the manufacturer’s numbering of the conductor. |
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