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this is what code says:6 m" z( K9 H/ [7 L7 S% H: }
4-028: Identification of insulated neutral conductors up to and including No. 2 AWG
$ s( i& C) @. G' Dcopper or aluminum
* a& C ]9 e0 j7 ? Q(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including. |: X( G7 C& o1 A6 b! B& R
No. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to( i# H! k, \. l. I7 W; p
such neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes) Z3 d; G/ M* ]) M/ r) b, o' O
along the entire length of the conductor.
" F- E( M3 H. D; e* l/ E(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure
+ B) p0 K+ [8 Hand the identified circuit conductor of one system is coloured by a white or grey covering, each identified1 ~) j. R8 b$ v" y: W/ K
circuit conductor of the other system, if present, shall be provided with a specific identification, and the E2 S. M, Z# ^* l, _
identification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not
$ x# h2 A; K0 v1 e' ~green) running along the insulation.
/ i! G) h$ y) P" X0 I(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of7 u0 n: O$ l1 T
an identified conductor; however, in the case of those flexible cords where the identified conductor is
2 Q# }$ s% y2 R( Zidentified by a raised longitudinal ridge(s), the other conductors shall have no ridges.% d- A" {6 H( D6 A& T) S8 |
(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked
' v7 S3 O. ~4 |. t! w) @as the identified conductor by painting or other suitable means at every point where the separate
1 }( v# t% r) _, I; Xconductors have been rendered accessible and visible by removal of the outer covering of the cable, and
6 {3 k2 \4 V5 @- |' fthe painting or other suitable means of marking the identified conductor shall not be permitted to render
* f% p' M4 n( Y5 K5 A! J& p0 Sillegible the manufacturer’s numbering of the conductor. |
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