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this is what code says:+ T; Z3 y6 r7 K. Z; `. _% Q
4-028: Identification of insulated neutral conductors up to and including No. 2 AWG
7 z4 A4 W1 f( Y% z+ qcopper or aluminum, O/ o% w# ^# M2 e4 }7 U
(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including
% u/ ]* W) F4 wNo. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to
! }5 x; ?( q$ Q5 f! vsuch neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes% E# J+ W1 K8 c4 j% j
along the entire length of the conductor.* i _: h7 x! c9 c0 d
(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure
% L# k/ }& A0 U8 v5 |and the identified circuit conductor of one system is coloured by a white or grey covering, each identified
# t. H2 L; C' n* @/ [3 \circuit conductor of the other system, if present, shall be provided with a specific identification, and the# S8 W* n/ x, l7 i( Q
identification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not
" t# ~! |4 H. Z( ~; v1 x; ggreen) running along the insulation.
4 g1 M' H# ^7 i) x(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of
: s0 ?( Z) m/ l6 {9 Oan identified conductor; however, in the case of those flexible cords where the identified conductor is
) z6 U" V7 j5 Q& T. a1 S6 G: |6 C5 hidentified by a raised longitudinal ridge(s), the other conductors shall have no ridges.( e( ` o# k5 w; h2 d% u* S
(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked( D* b- ^0 g8 b: S/ k0 {
as the identified conductor by painting or other suitable means at every point where the separate- X1 X3 Q6 O) V' X! D. p
conductors have been rendered accessible and visible by removal of the outer covering of the cable, and
0 ^( a* `/ T h# }the painting or other suitable means of marking the identified conductor shall not be permitted to render8 y I5 j# s' q
illegible the manufacturer’s numbering of the conductor. |
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