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this is what code says:
3 J4 G; G6 x+ ^ b1 Y& H. G) V% a4-028: Identification of insulated neutral conductors up to and including No. 2 AWG
, h3 \, F2 A1 K, G. D l3 L' ^copper or aluminum5 W+ F) e' c- D
(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including2 U/ K) E5 [" m0 l4 j2 p
No. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to
( B/ V0 C @9 m: u: Jsuch neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes. d$ q1 V) T+ ^' q& x
along the entire length of the conductor.
* u5 ~: W4 ^: Y5 O7 a& Z+ h(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure" n1 |* _9 O" b* G# c( q% g- m
and the identified circuit conductor of one system is coloured by a white or grey covering, each identified" I2 c& r) j! M" f* b8 u
circuit conductor of the other system, if present, shall be provided with a specific identification, and the. D" x G' l! r/ V/ O t
identification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not
3 g" h% x) W+ v& r! t# Z- r, f4 cgreen) running along the insulation.
0 I1 y8 Q7 o, d; k(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of7 |7 Y# X& G3 {2 c( u( _' G
an identified conductor; however, in the case of those flexible cords where the identified conductor is' f7 m7 Y7 |) L) @$ [
identified by a raised longitudinal ridge(s), the other conductors shall have no ridges.
/ s1 C) D' W( u, H |8 ] I$ W(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked2 e0 u" X. u, `
as the identified conductor by painting or other suitable means at every point where the separate
3 J% l% l8 k# o3 s, |$ Kconductors have been rendered accessible and visible by removal of the outer covering of the cable, and! j" M% S: I0 ~# ]
the painting or other suitable means of marking the identified conductor shall not be permitted to render4 I1 x, D9 e2 o6 H; r8 e
illegible the manufacturer’s numbering of the conductor. |
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