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this is what code says:9 O% {4 \ @+ h/ n* {0 y, x: j
4-028: Identification of insulated neutral conductors up to and including No. 2 AWG4 k O s* \2 w
copper or aluminum
- N' c1 L! ]. H& D) ` @(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including
2 l* f+ G+ g& t: ?No. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to9 _9 i( ^9 d1 t! Z7 {& ~. M
such neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes
% N- o/ C% g! i+ U3 U5 C" oalong the entire length of the conductor.) B% C9 F1 B( o/ ]7 T$ }
(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure
& o- c8 }3 p' ?$ nand the identified circuit conductor of one system is coloured by a white or grey covering, each identified Z( r& ~/ q8 Z6 b& f6 U h
circuit conductor of the other system, if present, shall be provided with a specific identification, and the
7 v* X' y8 _- p: uidentification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not
$ \% K5 \' l) B( @9 ?0 Xgreen) running along the insulation.* t) n+ h T) p' A4 J4 y7 d! |3 ^0 `( _
(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of7 d5 H+ i) l8 t9 \: a; `
an identified conductor; however, in the case of those flexible cords where the identified conductor is6 ^9 N J9 u, r& ?4 S
identified by a raised longitudinal ridge(s), the other conductors shall have no ridges.
1 o& Q( y7 y* j1 F# w( z(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked0 O3 ?; L+ K9 c7 d
as the identified conductor by painting or other suitable means at every point where the separate
' S# n! v0 t! r! G5 B7 A$ v d% ]conductors have been rendered accessible and visible by removal of the outer covering of the cable, and" U1 Z6 p2 u" m
the painting or other suitable means of marking the identified conductor shall not be permitted to render) V# ^ }% S& ]- o, ?( I
illegible the manufacturer’s numbering of the conductor. |
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