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this is what code says:0 N- p2 L* }' R4 {- W- S, _6 D5 l1 ]
4-028: Identification of insulated neutral conductors up to and including No. 2 AWG2 c4 l* x9 W! B3 E( A; k
copper or aluminum; p: V) @# c' {9 {
(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including
" K1 Z4 z& p$ O1 YNo. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to
9 d F- v7 L0 T5 |such neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes; o( a) @* j |7 ]# V
along the entire length of the conductor./ d1 ?& @) K8 r0 d
(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure/ J9 U! ~2 e! c/ b$ C+ K# M. k
and the identified circuit conductor of one system is coloured by a white or grey covering, each identified
6 k( L- M; g7 M' p7 y) L8 fcircuit conductor of the other system, if present, shall be provided with a specific identification, and the5 ?. r$ c G: t$ d
identification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not
& d8 T6 O, J( k6 Xgreen) running along the insulation.7 z8 X# V6 f) _* b
(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of
5 }7 p# J. c Q. O/ t1 Van identified conductor; however, in the case of those flexible cords where the identified conductor is
5 t( f' x) b2 A# J( z/ E6 V, Iidentified by a raised longitudinal ridge(s), the other conductors shall have no ridges.
& R9 |# M$ r+ i- [( I6 m(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked
; i8 g; P/ @0 j" m% ^as the identified conductor by painting or other suitable means at every point where the separate! K, P8 B, P! X) X6 E' Q
conductors have been rendered accessible and visible by removal of the outer covering of the cable, and
' k6 |, N" t; e8 t. u% ?the painting or other suitable means of marking the identified conductor shall not be permitted to render
$ f* p6 ^7 z7 o- `8 oillegible the manufacturer’s numbering of the conductor. |
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