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this is what code says:9 x2 H) x8 r5 Y4 C( N2 r
4-028: Identification of insulated neutral conductors up to and including No. 2 AWG
8 c4 Y( ^ R8 D9 icopper or aluminum
L) f% z0 o# i( e2 k(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including
6 @' G. [1 l* m( v2 U# s. MNo. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to
' D2 H ^0 e. J' tsuch neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes5 v# w' L8 n' I
along the entire length of the conductor.
% u4 X( g! n3 x+ \1 ?) b2 p(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure
2 f# l. n7 s( Sand the identified circuit conductor of one system is coloured by a white or grey covering, each identified# `" O7 i8 K3 Q X; c! d$ x+ [7 } `
circuit conductor of the other system, if present, shall be provided with a specific identification, and the2 b7 `) b/ d' W% N% n# a6 A2 o5 v
identification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not
i' n" p! G, ]: ~8 R6 cgreen) running along the insulation.
0 l( j, `3 Y: S(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of
* C2 E: l. I, S$ ran identified conductor; however, in the case of those flexible cords where the identified conductor is
0 s! X' u' E$ V% _4 H' cidentified by a raised longitudinal ridge(s), the other conductors shall have no ridges.( o4 Z, R8 A5 q; k4 _9 h
(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked! d7 p& L+ m! ~& C. F
as the identified conductor by painting or other suitable means at every point where the separate
" n, B) Y* S! p9 k& d1 L8 a6 @% Fconductors have been rendered accessible and visible by removal of the outer covering of the cable, and% v1 s. d |( h( Q
the painting or other suitable means of marking the identified conductor shall not be permitted to render
) l% o2 O; I, {7 ]illegible the manufacturer’s numbering of the conductor. |
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