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this is what code says:1 k3 _; w, x: Z' V
4-028: Identification of insulated neutral conductors up to and including No. 2 AWG
. ?- |$ l! ^8 {: hcopper or aluminum
7 w" P4 K$ d( }9 O! |' D(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including' d0 x( a' l, g7 p1 j
No. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to7 v9 Q* i0 d V- w
such neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes* {6 _; o! y5 `/ Z
along the entire length of the conductor.( a$ Z6 l: W* D5 o# n1 P% D8 B
(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure
$ t/ ~5 R: s, {4 f) i. {and the identified circuit conductor of one system is coloured by a white or grey covering, each identified. L+ @+ t2 Q- S, m5 e1 Q- T
circuit conductor of the other system, if present, shall be provided with a specific identification, and the# B9 M; {: s5 N. c; O
identification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not& p4 X( A: d0 X2 o2 I
green) running along the insulation.4 I$ a. s, w' t/ L8 t
(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of
8 K# ~$ s0 {: [4 \" W3 lan identified conductor; however, in the case of those flexible cords where the identified conductor is6 y& O0 E7 l' \8 s9 M% Z4 D$ ^
identified by a raised longitudinal ridge(s), the other conductors shall have no ridges.
( R/ U% R# g- f2 M1 @! L% V; w(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked
" f4 T2 v% \% g3 P2 |" ]as the identified conductor by painting or other suitable means at every point where the separate( Y3 | T) s* F& W* f
conductors have been rendered accessible and visible by removal of the outer covering of the cable, and5 Q7 z& \$ Z$ ?: E
the painting or other suitable means of marking the identified conductor shall not be permitted to render8 v4 T. |% q1 p0 `+ f
illegible the manufacturer’s numbering of the conductor. |
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