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this is what code says:6 O- h( \2 c; H* l8 f: P/ W. g5 X
4-028: Identification of insulated neutral conductors up to and including No. 2 AWG q; q) [* d2 \* J, z; B
copper or aluminum* o {" b7 A, l2 R5 z
(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including1 v6 E" B6 v( V; {1 z- K$ k
No. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to+ f1 p& u) O `
such neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes
, v$ z1 l% g3 X* Z) \along the entire length of the conductor.' y, O' p2 U1 u# z5 N7 S2 m
(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure
1 O+ }3 u. e- Z' K. g dand the identified circuit conductor of one system is coloured by a white or grey covering, each identified
5 e& v! B2 h; Z" Gcircuit conductor of the other system, if present, shall be provided with a specific identification, and the
* j, v$ G3 h) z( ^9 @7 nidentification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not8 R( n5 @; ^; k- I2 \3 X4 H
green) running along the insulation.
$ Q" S* r% N! I, v. N2 l(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of
' U/ W# r: W. I4 I+ {an identified conductor; however, in the case of those flexible cords where the identified conductor is, i4 ?: N% j9 D7 C
identified by a raised longitudinal ridge(s), the other conductors shall have no ridges.
$ }9 j0 f" V* m, r(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked
8 r( @0 o" r$ X: Z6 v& ]& aas the identified conductor by painting or other suitable means at every point where the separate
/ ]; Q2 O1 i8 o d7 `# _conductors have been rendered accessible and visible by removal of the outer covering of the cable, and
+ p+ G; D- c$ @8 n" j X: tthe painting or other suitable means of marking the identified conductor shall not be permitted to render2 `1 V0 X) q1 o- B F6 b" h
illegible the manufacturer’s numbering of the conductor. |
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