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this is what code says:* N: C8 g0 U1 S
4-028: Identification of insulated neutral conductors up to and including No. 2 AWG
6 N( x2 D$ I6 Wcopper or aluminum
8 K4 U$ u# F8 j, P0 G: g. t5 k% E(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including
+ n/ k. i* H5 J; INo. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to; g( B9 S& n5 V3 m
such neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes
b$ S) G, q# Ealong the entire length of the conductor.- f6 _# d8 X% ^
(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure C$ b3 N$ s1 C4 F( ]
and the identified circuit conductor of one system is coloured by a white or grey covering, each identified
' a! y# ]* U, y1 Dcircuit conductor of the other system, if present, shall be provided with a specific identification, and the! _0 I, L3 p/ X2 t0 h, p
identification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not
4 [; Y) t% m6 L) R$ W cgreen) running along the insulation.
. n% K9 r. c u# J4 A/ A6 x1 x(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of' }& x$ `5 z, F0 p+ W
an identified conductor; however, in the case of those flexible cords where the identified conductor is
# A8 o, Y8 `7 j5 ]identified by a raised longitudinal ridge(s), the other conductors shall have no ridges.1 Z& F( F8 i, F. u' |
(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked2 u$ K# Y: [& r9 C, A
as the identified conductor by painting or other suitable means at every point where the separate
+ D) \0 h' F, H( uconductors have been rendered accessible and visible by removal of the outer covering of the cable, and6 S# |( ~4 g. ]+ e, N) m# ^
the painting or other suitable means of marking the identified conductor shall not be permitted to render
- l0 Z6 d( P! Y; P$ iillegible the manufacturer’s numbering of the conductor. |
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