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this is what code says:
7 h3 A) Y9 D! z ?0 C# L: `4 C! W) B% V4-028: Identification of insulated neutral conductors up to and including No. 2 AWG N S% L* m1 C
copper or aluminum4 j& ^/ P& q) `3 Z9 r
(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including
1 b/ R; L. b8 `3 g# [) YNo. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to
1 G$ T, N2 [& v+ _. Q/ Ysuch neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes
% ^! r1 P$ e% o8 @" R& S$ Q$ balong the entire length of the conductor.3 B+ Q8 J% e; w/ z
(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure0 y0 F- [( T3 P
and the identified circuit conductor of one system is coloured by a white or grey covering, each identified
5 u' G) p# Y7 R& [# T+ m2 B, K, _circuit conductor of the other system, if present, shall be provided with a specific identification, and the
* C' S( p0 Z9 u5 gidentification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not
8 ]/ T, f1 i, y f* I& ygreen) running along the insulation.+ s$ d F3 J2 Q/ G; s- j
(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of' E. D) c; x. q
an identified conductor; however, in the case of those flexible cords where the identified conductor is
% u) Q6 L) B) H6 [" d- ]2 b( Bidentified by a raised longitudinal ridge(s), the other conductors shall have no ridges.
6 U& U4 [, W% n. A(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked
. E: e: d' G7 g, ~: l: O( F4 M4 eas the identified conductor by painting or other suitable means at every point where the separate' s& V* @) c; R
conductors have been rendered accessible and visible by removal of the outer covering of the cable, and$ q3 f" b# \, v6 O9 L, w
the painting or other suitable means of marking the identified conductor shall not be permitted to render2 s, _* t5 ~, Q: ?! T- {
illegible the manufacturer’s numbering of the conductor. |
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