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this is what code says:# _0 A7 j( \$ v) U- Q2 u
4-028: Identification of insulated neutral conductors up to and including No. 2 AWG' c3 D; U- \* G/ K
copper or aluminum
2 v: B; P" `9 n! y* i(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including. I' t! s+ C9 |0 u% A
No. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to" w- J" C1 H/ e' x8 q
such neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes
3 G. t3 B; @$ z! _along the entire length of the conductor., z) V) w7 O, ?% K
(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure
2 x, l2 U2 F% ~4 F7 y' @- p# i, F+ dand the identified circuit conductor of one system is coloured by a white or grey covering, each identified
0 j q4 ^3 O9 e7 Bcircuit conductor of the other system, if present, shall be provided with a specific identification, and the# g$ w& _- g' k9 B
identification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not
% K7 `6 w! c5 {, B" h4 Dgreen) running along the insulation.3 x. W' |& d3 u( f4 t
(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of
& c/ G+ e8 z# a3 @& j6 c& |an identified conductor; however, in the case of those flexible cords where the identified conductor is3 o6 S8 I+ |: r, W0 R' P
identified by a raised longitudinal ridge(s), the other conductors shall have no ridges.' D. n7 m/ Y6 c5 o' _
(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked5 x' z: e0 m$ T; h
as the identified conductor by painting or other suitable means at every point where the separate. O7 z! c K8 r3 |( X4 D
conductors have been rendered accessible and visible by removal of the outer covering of the cable, and
3 o- Q7 f$ T! d9 @the painting or other suitable means of marking the identified conductor shall not be permitted to render
$ ^ }+ F7 v. W$ ]) ~illegible the manufacturer’s numbering of the conductor. |
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