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this is what code says:) Y, X @5 {$ h; |: y) E
4-028: Identification of insulated neutral conductors up to and including No. 2 AWG1 X' T, b5 q* e& H
copper or aluminum1 r9 A: o% x" e3 @5 |$ g6 n
(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including, i7 p9 c) i& u% D' h. k2 M6 d% W
No. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to
6 s6 [; |: ~% c3 J3 p# Y/ Tsuch neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes
" M( s$ x: z( Nalong the entire length of the conductor.
6 _0 _/ Y0 b/ \% F, Z(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure
+ y! U4 k6 ]7 [( @+ B( G9 z9 tand the identified circuit conductor of one system is coloured by a white or grey covering, each identified( l+ T* [% Z; i' l, f9 W1 z) e
circuit conductor of the other system, if present, shall be provided with a specific identification, and the
) X9 k" {6 C" G& F4 S! P2 V0 q3 yidentification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not+ {- I/ x& E8 ~# m3 f3 l5 r+ ]% A
green) running along the insulation.5 d5 M1 t" T' E+ A
(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of* S. ]) [( s1 @# T
an identified conductor; however, in the case of those flexible cords where the identified conductor is- J: D7 @/ @$ ?0 m8 e$ j1 P
identified by a raised longitudinal ridge(s), the other conductors shall have no ridges.
8 g* N5 p1 H, x. G1 \+ s F(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked
/ u: c8 S( \; A$ b3 C; ~" N* Gas the identified conductor by painting or other suitable means at every point where the separate6 l5 U# M1 V" M! v5 ]( g
conductors have been rendered accessible and visible by removal of the outer covering of the cable, and3 E6 p2 _( ^/ X
the painting or other suitable means of marking the identified conductor shall not be permitted to render
7 I+ B& g! Q6 c s' p: Sillegible the manufacturer’s numbering of the conductor. |
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