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this is what code says:
2 W1 D3 s: N' u; ~/ ^: \4-028: Identification of insulated neutral conductors up to and including No. 2 AWG
0 g, g, u' K# ~4 ~copper or aluminum
( C" T1 W. ]( n; m(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including
0 k2 h3 I1 S; i/ c/ L9 ^No. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to1 ^" k; |% x% B% f5 X n8 N0 |- W! w
such neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes5 M' \, J1 f; P6 {0 }
along the entire length of the conductor.
, b: W6 `5 z) }4 N( b* [(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure
3 i0 \' E* l7 i- B/ aand the identified circuit conductor of one system is coloured by a white or grey covering, each identified) F- U9 o1 ~( o% @% I6 u$ S
circuit conductor of the other system, if present, shall be provided with a specific identification, and the+ V; Q% L) [' D4 y( m
identification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not! N' r7 G! K/ q4 q/ j
green) running along the insulation.
$ V1 K* k! w/ E/ q; S(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of
Q* q) `3 b9 P# L' Tan identified conductor; however, in the case of those flexible cords where the identified conductor is m; F4 e" }4 _# h
identified by a raised longitudinal ridge(s), the other conductors shall have no ridges.8 x: g7 Y: C. V. ]1 J$ J
(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked
4 L, ?! a. P, J( a4 w# e, A; K0 ras the identified conductor by painting or other suitable means at every point where the separate
; ?( f; N5 T* e. Y: ?' d0 _" @4 Sconductors have been rendered accessible and visible by removal of the outer covering of the cable, and
9 A U4 `2 G0 Z/ r' ?3 m. wthe painting or other suitable means of marking the identified conductor shall not be permitted to render
; K+ L" W5 ]$ T- ]( millegible the manufacturer’s numbering of the conductor. |
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