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this is what code says:
7 K* K+ i5 z( H( k2 L4-028: Identification of insulated neutral conductors up to and including No. 2 AWG
9 q' e1 L* T& u/ M* ^0 D1 R' jcopper or aluminum
- a- ~0 y+ m) d' Q# S0 c; y(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including
u/ M' b7 l' ?0 @No. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to# y: d" p; g3 Z# s" Z+ l0 B% q+ V
such neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes' F: n+ f1 z+ p7 X1 ?* Q2 x
along the entire length of the conductor.. Z! B7 S; U, M( s- P7 @; O' t
(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure
4 S9 ^7 B+ C# x; i+ ^" aand the identified circuit conductor of one system is coloured by a white or grey covering, each identified# J8 s( t$ C% Y( x8 `! h; w
circuit conductor of the other system, if present, shall be provided with a specific identification, and the+ g/ r8 a' G% `' P2 V, ?3 y
identification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not1 [( y1 H. c7 U
green) running along the insulation.
+ O( R+ [6 H; g+ \% E( G. g(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of; c& ^! [% {% R0 j% P' R: S! g0 c+ v
an identified conductor; however, in the case of those flexible cords where the identified conductor is
0 ^/ d) A5 ?+ T2 U4 t: O/ ?identified by a raised longitudinal ridge(s), the other conductors shall have no ridges.
+ h( N9 G6 m) d( ^7 Q( P(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked, h! x' W' e" R( }; m7 i" K3 y
as the identified conductor by painting or other suitable means at every point where the separate) Q' \) s8 O$ q. l/ _( a, u$ s
conductors have been rendered accessible and visible by removal of the outer covering of the cable, and( S8 ~. G8 x" J5 L0 F' T
the painting or other suitable means of marking the identified conductor shall not be permitted to render
$ p4 w+ r$ @ }3 j3 lillegible the manufacturer’s numbering of the conductor. |
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