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this is what code says:0 D/ y9 ?) m) D, a
4-028: Identification of insulated neutral conductors up to and including No. 2 AWG
1 ~# H/ ~" q7 B Q; gcopper or aluminum
9 t% y4 P- Z" n5 X* p; T/ }(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including' ]& O- Y! V3 M' p
No. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to5 C/ X# M: G% p0 X
such neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes
2 l( ^; n+ x4 T$ o3 Aalong the entire length of the conductor.& L" H# x; z+ h
(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure
/ ~1 D A' s7 }5 wand the identified circuit conductor of one system is coloured by a white or grey covering, each identified
9 D4 H, F$ d( V) Gcircuit conductor of the other system, if present, shall be provided with a specific identification, and the
( J+ f$ `; Y1 `. b. nidentification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not
% G; z% }7 P, Z, `green) running along the insulation.
: A4 L# A4 m, {1 I8 ^3 c9 L(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of, m7 ?: N' ?( h% F& \+ @
an identified conductor; however, in the case of those flexible cords where the identified conductor is& q- Z" b9 Y& S8 c, B# L
identified by a raised longitudinal ridge(s), the other conductors shall have no ridges.
6 r) y* G. C7 [4 N1 y" {(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked
% |! b4 F$ @2 K+ Fas the identified conductor by painting or other suitable means at every point where the separate
1 J f. l; |8 S$ \2 g7 p" u: [conductors have been rendered accessible and visible by removal of the outer covering of the cable, and- J, C! u% C) g
the painting or other suitable means of marking the identified conductor shall not be permitted to render
# K% |) ~* p% O- p7 `illegible the manufacturer’s numbering of the conductor. |
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