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this is what code says:2 u( k8 |$ V* E1 ]; ?
4-028: Identification of insulated neutral conductors up to and including No. 2 AWG# L, j; M" x* h: a' J- {0 N
copper or aluminum
! F: H+ m6 b7 \$ m(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including
; c+ H& L& W( r( D/ z: y+ I9 gNo. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to P6 }: h U. b0 J" a; U
such neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes
7 G, F l0 R$ ?& |# Z9 zalong the entire length of the conductor.
2 b k' `. m( c, \$ V" Q3 ?(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure
/ W( N+ {8 S q! M2 o, e( L hand the identified circuit conductor of one system is coloured by a white or grey covering, each identified
) ]4 h4 h" @# Ncircuit conductor of the other system, if present, shall be provided with a specific identification, and the
- w7 B# [! E8 I& _identification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not, W) u" u# `4 u" O: _7 \
green) running along the insulation.. g, W; b# @ i" |! h
(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of
% V. k$ |! T( `an identified conductor; however, in the case of those flexible cords where the identified conductor is
% O7 N' ~6 G% B0 r4 Oidentified by a raised longitudinal ridge(s), the other conductors shall have no ridges.
5 t+ J4 a2 t( R. _0 u1 e; y(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked
9 @/ U/ _8 ~( t- Fas the identified conductor by painting or other suitable means at every point where the separate
' d1 R$ I) @$ r* c4 v! W$ F) uconductors have been rendered accessible and visible by removal of the outer covering of the cable, and
: y' A2 W* \( v9 ?3 ^' Uthe painting or other suitable means of marking the identified conductor shall not be permitted to render8 X3 l; g. z, O. D
illegible the manufacturer’s numbering of the conductor. |
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