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this is what code says:
% i# E: l$ w5 O4 Y4-028: Identification of insulated neutral conductors up to and including No. 2 AWG
2 h8 Z( P+ `! {( r, G7 F4 tcopper or aluminum
( r4 ^. O, U1 g5 N7 C$ F/ r8 \(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including; h# k* \+ B1 F5 Q
No. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to
; O1 ~: {; T! U( Zsuch neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes
0 g! G8 V' k6 G8 Z6 v+ ialong the entire length of the conductor.; k F3 b+ F. c* d( ?$ \9 V2 ]& f
(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure6 B) W4 ?9 I( G& c2 P0 a; O+ n
and the identified circuit conductor of one system is coloured by a white or grey covering, each identified* ]) h% E2 h& ?* K8 G) C
circuit conductor of the other system, if present, shall be provided with a specific identification, and the# ]# j& I% {# K- D
identification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not
n8 t! ~' Q7 U: j5 A$ ]green) running along the insulation.. @ O: l% Q x% d- i. \2 L" P" h
(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of4 l& Z+ I9 @: s$ d2 J8 P6 n+ G
an identified conductor; however, in the case of those flexible cords where the identified conductor is
- |1 T9 M; w; Eidentified by a raised longitudinal ridge(s), the other conductors shall have no ridges.9 G* s! R- H8 Y1 `; H# ^$ K; P
(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked
$ c, @4 k0 I2 g+ ^8 ?* Aas the identified conductor by painting or other suitable means at every point where the separate
5 k% m& k2 V" {- ~9 S* Zconductors have been rendered accessible and visible by removal of the outer covering of the cable, and. Y( y, g7 {1 K8 U6 P/ ~5 S
the painting or other suitable means of marking the identified conductor shall not be permitted to render0 I% Y5 d# `- V+ V y
illegible the manufacturer’s numbering of the conductor. |
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