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this is what code says:* k+ U# g" ~- E5 ~1 ~9 p
4-028: Identification of insulated neutral conductors up to and including No. 2 AWG
, j6 G4 c+ s4 [* [' K* V5 ~$ _2 `copper or aluminum
$ v% E, i4 D7 ^(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including
; {( z6 K$ m% `No. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to; D+ {3 K4 U: R- S9 E
such neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes8 C! v. [# D$ U& Q
along the entire length of the conductor." B6 d; }8 t& G* a' b, g
(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure
" i- \& Q$ c3 b' B' n: land the identified circuit conductor of one system is coloured by a white or grey covering, each identified; j6 G" u1 d' N7 A9 L
circuit conductor of the other system, if present, shall be provided with a specific identification, and the
8 I8 V, _8 S7 X8 T2 Widentification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not
7 b! `* |7 p; u" `$ F9 b8 _8 rgreen) running along the insulation.
0 Q; x% n* |5 o: C' Z- y; F(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of
\& Z \/ q1 Gan identified conductor; however, in the case of those flexible cords where the identified conductor is
* |% `6 E0 t7 G E' hidentified by a raised longitudinal ridge(s), the other conductors shall have no ridges.% U1 ?8 M+ c9 U+ S Y
(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked
: }8 s$ e. u6 Las the identified conductor by painting or other suitable means at every point where the separate
/ b3 E6 z! o4 r4 v4 A0 h6 Mconductors have been rendered accessible and visible by removal of the outer covering of the cable, and2 k6 U5 @+ \8 m0 H& g0 U
the painting or other suitable means of marking the identified conductor shall not be permitted to render( c5 p' b3 H# `# E6 O
illegible the manufacturer’s numbering of the conductor. |
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