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this is what code says:# G! X/ d% Q7 c5 g. ^4 D9 ^" J
4-028: Identification of insulated neutral conductors up to and including No. 2 AWG
+ u, M7 S4 Q9 u+ I9 gcopper or aluminum% o( V. r6 ?2 S
(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including
- ^8 X, M3 f9 M2 S+ y0 X+ LNo. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to
0 e8 _5 \0 K* u( Tsuch neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes
0 d# M; W" [) K) Xalong the entire length of the conductor.
5 y8 s3 O5 k& g, E(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure
- q h. |7 U( z( I0 J/ W& jand the identified circuit conductor of one system is coloured by a white or grey covering, each identified
* r; D7 B8 @. S! m" jcircuit conductor of the other system, if present, shall be provided with a specific identification, and the
% k8 n. ]; z+ W8 a% {+ V2 videntification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not j+ O) K$ B0 o! n
green) running along the insulation.! q; w! R6 O0 G) N- Z$ o6 x
(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of' \# X8 [- z5 D
an identified conductor; however, in the case of those flexible cords where the identified conductor is& E% b- w% r! {3 R
identified by a raised longitudinal ridge(s), the other conductors shall have no ridges.5 y3 Z& L: `$ _# O: x
(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked, `0 F+ V1 J4 g; W
as the identified conductor by painting or other suitable means at every point where the separate
: l7 h) t/ h7 p, [conductors have been rendered accessible and visible by removal of the outer covering of the cable, and
5 s Q4 G* L3 |1 V$ P7 F) pthe painting or other suitable means of marking the identified conductor shall not be permitted to render
: }. {9 f: c- l# G+ a# xillegible the manufacturer’s numbering of the conductor. |
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