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this is what code says:! I7 D1 R7 w7 Q1 T# B! C
4-028: Identification of insulated neutral conductors up to and including No. 2 AWG/ Q6 V) E* L/ y' q" d! m' g8 d7 v/ U
copper or aluminum
$ N. Y5 ?9 @6 ^- W(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including" d2 o2 F- s1 R4 R* i K6 t7 h
No. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to: J& o* h! m8 Q6 R0 D0 l1 c2 _/ O* E, ?
such neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes
. |) E8 H/ K4 V) u: balong the entire length of the conductor.
; l g# N2 t9 J! |(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure1 X+ ]: n9 h, X8 h
and the identified circuit conductor of one system is coloured by a white or grey covering, each identified
; p% v9 I( v! Dcircuit conductor of the other system, if present, shall be provided with a specific identification, and the
: W$ C/ E. L5 ^4 `0 Kidentification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not! E. @* a3 }- I. \. j1 x
green) running along the insulation.
* | v9 g+ W5 g: {, l4 u(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of
9 e# P3 g1 G# Xan identified conductor; however, in the case of those flexible cords where the identified conductor is
" {& @5 m% M6 j$ Y4 ~$ H( hidentified by a raised longitudinal ridge(s), the other conductors shall have no ridges.
% Q4 K7 s" A( A! {; l- v# L7 ?; j" U) D, S(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked
& e8 J. W# f% Cas the identified conductor by painting or other suitable means at every point where the separate
5 [% J! ^6 a+ c$ q7 g0 _* N8 c2 k$ fconductors have been rendered accessible and visible by removal of the outer covering of the cable, and
9 p, i* z9 F' uthe painting or other suitable means of marking the identified conductor shall not be permitted to render5 I p3 b* g8 f# F$ c5 V8 \
illegible the manufacturer’s numbering of the conductor. |
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