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this is what code says:3 z. m- v- A" k* N. p u1 P
4-028: Identification of insulated neutral conductors up to and including No. 2 AWG/ G5 e6 J# o: _2 ^( T( V$ t
copper or aluminum; ]1 T; ?' y( q/ A1 A
(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including
$ w& W3 r7 E( y) u' l7 K' Y' ANo. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to( }5 D( m' x# W1 r, l6 v, H9 p- O; \
such neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes1 a' g* Y, E3 h
along the entire length of the conductor.
: x% ~% ~6 U* j(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure
8 X& K& F M: `5 Dand the identified circuit conductor of one system is coloured by a white or grey covering, each identified
0 J! A. c4 {4 T% W. S3 pcircuit conductor of the other system, if present, shall be provided with a specific identification, and the! B8 q' F7 s# w9 m
identification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not
1 t( u. j* z& u& v6 \6 t9 }& m& R& Ogreen) running along the insulation.! x$ o; l3 b7 L j( l! u" P
(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of
, v6 S R7 ~/ }6 ]an identified conductor; however, in the case of those flexible cords where the identified conductor is
0 _; S* F. U$ o8 `/ a: }! ?$ X8 kidentified by a raised longitudinal ridge(s), the other conductors shall have no ridges.0 l+ _# t# Y. V$ U, k w+ }
(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked
; p. `+ g8 l6 M& i" has the identified conductor by painting or other suitable means at every point where the separate
0 b& E8 h5 }4 Wconductors have been rendered accessible and visible by removal of the outer covering of the cable, and2 ?, x, Z2 ^! G7 J2 A( `/ D* B
the painting or other suitable means of marking the identified conductor shall not be permitted to render
% ~6 Z8 x' f/ D2 X- o3 jillegible the manufacturer’s numbering of the conductor. |
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