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this is what code says:4 y( j8 s! t! \
4-028: Identification of insulated neutral conductors up to and including No. 2 AWG
8 K" o5 H ~5 U' }! ycopper or aluminum- C: {' ]7 [; `" w( I! ]
(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including
* z4 `$ D9 R# rNo. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to# W, K7 J# b o* `; v$ g
such neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes) G; {) Z0 K, ?. ?
along the entire length of the conductor.
, \" d7 L% ~* g8 x0 A6 y" i(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure$ H) O# M D3 u- l
and the identified circuit conductor of one system is coloured by a white or grey covering, each identified
: _" T$ U* }4 W: ^1 _$ {# zcircuit conductor of the other system, if present, shall be provided with a specific identification, and the
0 l0 s2 u o$ T% n. D, N V( _2 J% [identification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not
( L* G! Q( |2 ~2 ]9 d2 e- j" ugreen) running along the insulation.
! C" W& I: s* p(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of
/ J; O0 \% I# u- ^0 I: Z$ B! y6 tan identified conductor; however, in the case of those flexible cords where the identified conductor is& {& R$ c' k% T; ]- K
identified by a raised longitudinal ridge(s), the other conductors shall have no ridges.
3 V; g, r7 @" B2 j5 T2 D+ ?(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked
f+ q3 y# ~0 ^ c0 J+ ~as the identified conductor by painting or other suitable means at every point where the separate7 G* p0 l: B1 _. C& O' V5 x r
conductors have been rendered accessible and visible by removal of the outer covering of the cable, and3 Q) c4 v; b% \' J, I* P! h: c
the painting or other suitable means of marking the identified conductor shall not be permitted to render
& s- H& c; @( C0 J1 Z& t9 _; Y" {2 Billegible the manufacturer’s numbering of the conductor. |
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