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this is what code says:
- h6 v( A( F' d4-028: Identification of insulated neutral conductors up to and including No. 2 AWG3 C0 D; Z0 I; l0 H! _. {) [# w1 o
copper or aluminum
# r: C* e* |) d, M( _2 l(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including) B; z0 i- z( ~
No. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to @% p( \* p3 z) c1 I8 o
such neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes0 x0 K; P/ \! `, l9 F8 E
along the entire length of the conductor.8 {. |4 G+ n# r7 t, w" e
(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure
. |. J8 K( F4 k. i# r5 l& V# [and the identified circuit conductor of one system is coloured by a white or grey covering, each identified
6 P) j# Q9 w. [* p7 {5 b# Acircuit conductor of the other system, if present, shall be provided with a specific identification, and the
y& i* o% a$ ^6 `identification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not' I$ w a$ k; ?5 t4 a
green) running along the insulation.
7 `# x n* }4 z6 \6 A2 f(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of
- K7 `/ ?4 E2 _4 S* T# P8 Z: ]an identified conductor; however, in the case of those flexible cords where the identified conductor is
' a% l1 U8 t* X% @/ u4 U R+ Bidentified by a raised longitudinal ridge(s), the other conductors shall have no ridges.
# d; M8 L; O/ p(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked
1 L% G8 |4 U+ d7 t9 G( sas the identified conductor by painting or other suitable means at every point where the separate3 q: s0 G5 v& {6 x) e! p' e1 R
conductors have been rendered accessible and visible by removal of the outer covering of the cable, and
9 O, ?3 @/ w) H+ kthe painting or other suitable means of marking the identified conductor shall not be permitted to render n7 f1 B' G$ a4 Y
illegible the manufacturer’s numbering of the conductor. |
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