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this is what code says:8 H% X- q( {- N% x7 B
4-028: Identification of insulated neutral conductors up to and including No. 2 AWG+ E: m' H' G& g! u \
copper or aluminum; V2 D* K. ~5 g( [& V
(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including, ^, O5 B/ a6 R0 i5 K5 d
No. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to! ], e, Z, ? J7 r4 {: H
such neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes
6 J8 I( ?1 ^8 I' R3 W1 a5 Ialong the entire length of the conductor.
$ H) D8 ^) N3 G7 F. ^" z(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure3 v" e+ P. ^* f5 G/ T
and the identified circuit conductor of one system is coloured by a white or grey covering, each identified8 J* O( n! j! G7 x* f" n1 x
circuit conductor of the other system, if present, shall be provided with a specific identification, and the
- Z* p) y8 n- a; r9 a/ z' yidentification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not
. |0 l! M% _# N+ B3 C% T' S( {5 a3 j7 Cgreen) running along the insulation.
- s8 ~1 c( S8 y4 ?& m2 S* n(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of
; e/ T9 v6 J- v. U, ean identified conductor; however, in the case of those flexible cords where the identified conductor is
7 ], ^! y* |, ^( Jidentified by a raised longitudinal ridge(s), the other conductors shall have no ridges." S6 a6 L# O Z3 C
(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked
- |# W% @0 |- v9 R' y2 Eas the identified conductor by painting or other suitable means at every point where the separate' c3 I# Y2 b% T! K
conductors have been rendered accessible and visible by removal of the outer covering of the cable, and
: r- [1 K% K& a6 i5 d0 d! e9 dthe painting or other suitable means of marking the identified conductor shall not be permitted to render n* f: m- n; D
illegible the manufacturer’s numbering of the conductor. |
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