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this is what code says:
% b% p3 F) _% C' y4-028: Identification of insulated neutral conductors up to and including No. 2 AWG
% v/ F6 F5 M _/ gcopper or aluminum
& c6 _$ \2 k y9 o(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including
- J6 M# W; T3 T6 C( z% p6 L0 l( lNo. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to
/ Y- A4 _4 L2 `7 J2 ksuch neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes8 R6 _ S! o: j4 c
along the entire length of the conductor.
& w! _" j( w+ e(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure/ p; ]& J2 n0 Q4 U1 X. _
and the identified circuit conductor of one system is coloured by a white or grey covering, each identified* w6 z" j0 z, N6 H5 w
circuit conductor of the other system, if present, shall be provided with a specific identification, and the
; b2 ~2 J- n$ t5 N. s) f7 ridentification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not0 A5 C# J) S6 n
green) running along the insulation.
7 X" V; T' X; y' P(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of
8 H( A( s/ f* E8 Yan identified conductor; however, in the case of those flexible cords where the identified conductor is; A) \5 `- v! Z% ]* R( U
identified by a raised longitudinal ridge(s), the other conductors shall have no ridges.
' A) [# Z$ q6 _1 `(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked
. T S3 Z v& O5 S; Jas the identified conductor by painting or other suitable means at every point where the separate! y6 z4 ~5 X$ ^9 Q( L* ?& @5 D- v
conductors have been rendered accessible and visible by removal of the outer covering of the cable, and
, @( X8 X# J! k. I" |the painting or other suitable means of marking the identified conductor shall not be permitted to render$ g" d9 O- o# b" X5 b6 _6 W
illegible the manufacturer’s numbering of the conductor. |
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