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this is what code says:5 R( K; z2 f5 y, s
4-028: Identification of insulated neutral conductors up to and including No. 2 AWG. J- T9 K9 m* f
copper or aluminum
1 Y5 j9 L; F( D- k' r(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including& L$ T. v4 c) G( {
No. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to- n8 t0 ^' m0 ?! `( H- w
such neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes
# [8 V. Q& B$ M5 halong the entire length of the conductor.& r; f# C( S; _8 c# M' E/ ~1 r
(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure% i0 i. O$ P7 L9 {- F1 t) e+ a& A
and the identified circuit conductor of one system is coloured by a white or grey covering, each identified8 @2 w1 o$ f0 B n0 C$ u5 ^& u4 U
circuit conductor of the other system, if present, shall be provided with a specific identification, and the
) v+ A. z6 H( w2 d8 \; _. Yidentification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not
2 l: l0 [9 T% O9 Vgreen) running along the insulation.
9 K# K' v, g/ }4 Y }- p: k. b(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of
. g0 {2 g( E/ Q3 H: z5 q+ T. Ian identified conductor; however, in the case of those flexible cords where the identified conductor is
: k' m* S: A* r# k* J. d: b* m. q Sidentified by a raised longitudinal ridge(s), the other conductors shall have no ridges.1 ]# k- i4 M6 A* `- c0 g% B8 J
(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked
8 h5 q% ^$ V+ b1 was the identified conductor by painting or other suitable means at every point where the separate
" e- H2 F" N& V% p- w0 I ^& u1 nconductors have been rendered accessible and visible by removal of the outer covering of the cable, and
8 u+ c, g5 t9 P' g8 b( |) [the painting or other suitable means of marking the identified conductor shall not be permitted to render
) k5 v. O0 ]9 nillegible the manufacturer’s numbering of the conductor. |
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