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this is what code says:3 P n5 O- e- F' Z. y
4-028: Identification of insulated neutral conductors up to and including No. 2 AWG: O& h- ~1 q4 w) r4 d ?( D: n
copper or aluminum
$ ?. T- J( o9 i# K$ o" k/ ?* K(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including" ?3 Z5 X6 P( \, O
No. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to
& j2 c1 ~# a7 j$ a2 z+ nsuch neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes# R, i3 J# H( U+ F( y1 y" n6 ~( y
along the entire length of the conductor.
4 g( H- K3 S# [$ L(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure
, }3 }. ?5 v9 h- ~7 zand the identified circuit conductor of one system is coloured by a white or grey covering, each identified
( Y3 _. u$ @6 c I( u' Z( acircuit conductor of the other system, if present, shall be provided with a specific identification, and the
' s! S7 x0 ^- A1 N2 R1 c) k4 cidentification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not
/ B+ k% \% x4 rgreen) running along the insulation.
$ q; _3 H& u, Z& ^(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of
; {# l% z# B# s6 c/ Van identified conductor; however, in the case of those flexible cords where the identified conductor is/ X6 A2 C4 A0 k; a% K) `
identified by a raised longitudinal ridge(s), the other conductors shall have no ridges.( f% h, Y/ x/ [/ l; K+ j7 U
(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked
* k: N& U" x: U3 S+ q! Y: pas the identified conductor by painting or other suitable means at every point where the separate: u. J! W2 Z& {" {. }- @4 }1 a
conductors have been rendered accessible and visible by removal of the outer covering of the cable, and( x* ^$ D7 `- [
the painting or other suitable means of marking the identified conductor shall not be permitted to render
0 f6 Y# Z! A( B4 Q: A$ i- |illegible the manufacturer’s numbering of the conductor. |
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