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this is what code says:0 F l- L q3 n5 R
4-028: Identification of insulated neutral conductors up to and including No. 2 AWG! s4 B& a& }3 t: \8 L- x* y
copper or aluminum* t: _5 f+ l& }+ G7 ?
(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including
; c) z. ]" I/ f! A. U) lNo. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to1 e+ x0 ~5 k" O) _8 E7 v& r
such neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes% Z8 z7 J& I1 b4 [ x" ]* @
along the entire length of the conductor.
4 t* K/ V; P9 O F- \; I(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure
d2 S8 z) ?. E; v iand the identified circuit conductor of one system is coloured by a white or grey covering, each identified1 P: `5 T* ?; s$ b. c- V7 v3 A$ {
circuit conductor of the other system, if present, shall be provided with a specific identification, and the
! \% P1 ]3 ?4 o7 qidentification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not) Y# F' w6 K8 \5 f a1 L. C
green) running along the insulation.
! ? e- k3 D4 C' K(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of4 l, E% x) Q5 `- @5 T
an identified conductor; however, in the case of those flexible cords where the identified conductor is
0 d* C0 ?, u% t0 A* P$ \identified by a raised longitudinal ridge(s), the other conductors shall have no ridges.. v; }4 A/ K, T3 L# t( k5 C! Q% V
(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked
* ~ I' w' ]+ e: tas the identified conductor by painting or other suitable means at every point where the separate# K ~7 ?8 @+ M
conductors have been rendered accessible and visible by removal of the outer covering of the cable, and
- u4 Q W' l# K# a) f& hthe painting or other suitable means of marking the identified conductor shall not be permitted to render
: y6 r' c# h) f: L$ {+ n' g. nillegible the manufacturer’s numbering of the conductor. |
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