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this is what code says:/ z8 H8 F6 N: I9 C8 B9 t: S
4-028: Identification of insulated neutral conductors up to and including No. 2 AWG
; u& [' R8 e) g1 }0 b7 i" j( U* n/ Qcopper or aluminum
1 L: N* l+ ^; d7 ~& c b0 J U(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including
0 w; N1 N' m0 N/ S& @. H) nNo. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to
& F+ ^$ r- j# \# f/ \such neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes: y3 d, i: v; _$ m K
along the entire length of the conductor.$ z7 |9 A M& a" L% F( }
(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure1 w/ Z! e3 l4 i( p0 J
and the identified circuit conductor of one system is coloured by a white or grey covering, each identified" K( x; _: ] b8 X. t# y2 V
circuit conductor of the other system, if present, shall be provided with a specific identification, and the
9 T+ x+ G( ~3 o; J6 v- J+ j5 V4 Z' ?identification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not5 o; d% c3 @. H( {2 U3 _! l& g, o
green) running along the insulation.9 F1 S- m% {- P8 a$ T* N
(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of/ Y$ x1 E% K$ Q8 h- E
an identified conductor; however, in the case of those flexible cords where the identified conductor is* d' s" k$ U, T1 b% j
identified by a raised longitudinal ridge(s), the other conductors shall have no ridges.
6 W, A0 t/ e4 \8 H; [' ?(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked
& Y9 d/ Y- {' s4 N0 Mas the identified conductor by painting or other suitable means at every point where the separate v+ u* q9 c/ `0 N: W8 Y/ f
conductors have been rendered accessible and visible by removal of the outer covering of the cable, and
9 K* `" S. x+ b+ k2 Othe painting or other suitable means of marking the identified conductor shall not be permitted to render
1 U8 K( g5 r9 g! X2 millegible the manufacturer’s numbering of the conductor. |
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