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this is what code says:# V+ B# m( e4 X n" v
4-028: Identification of insulated neutral conductors up to and including No. 2 AWG
3 B) }% j/ j \8 Tcopper or aluminum
; y& @8 R P$ X" T- \1 m(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including
) O/ ?5 K0 E1 j) ]No. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to
; V m: `+ i. Ksuch neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes+ \) t1 g0 c2 } a, d
along the entire length of the conductor.+ T" X5 v6 C% H9 k
(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure
+ G* j# R; D1 M& G( yand the identified circuit conductor of one system is coloured by a white or grey covering, each identified
7 k! n3 n6 P& {+ H- a; Ocircuit conductor of the other system, if present, shall be provided with a specific identification, and the; n$ T# s1 j4 U
identification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not. ~) v6 i0 z/ X( D9 q0 g) m
green) running along the insulation.
- D4 [ a( `8 u, C(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of
! V0 F4 A& N8 n) C7 ~6 zan identified conductor; however, in the case of those flexible cords where the identified conductor is7 ?: e9 C, X0 a
identified by a raised longitudinal ridge(s), the other conductors shall have no ridges.
1 E- l! A( N+ f5 t- m(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked R+ G; Z# ~- m6 e. i
as the identified conductor by painting or other suitable means at every point where the separate. K$ |& H5 R+ a8 ^, D+ J& y
conductors have been rendered accessible and visible by removal of the outer covering of the cable, and+ o" s6 }; p0 L% R- [2 J
the painting or other suitable means of marking the identified conductor shall not be permitted to render* v p" {' t+ Q- e. E. ?- t) S. i: ?
illegible the manufacturer’s numbering of the conductor. |
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