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this is what code says:
7 ?5 `) ?$ R1 r6 M! x' B/ A8 \4-028: Identification of insulated neutral conductors up to and including No. 2 AWG& [0 [ e3 A( r
copper or aluminum
- u5 ~" M- a$ l& x! j9 k( D(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including+ ~: U% n9 D2 ]
No. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to) D' _& t+ M* u& Q8 y# B
such neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes
- g5 [# @% F% A! H1 F Halong the entire length of the conductor.
# v4 i8 ~; A5 r+ } h(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure
5 @6 a3 e1 E5 J/ ~( ]" y" n& `and the identified circuit conductor of one system is coloured by a white or grey covering, each identified
4 g& f" B% g+ G! ]circuit conductor of the other system, if present, shall be provided with a specific identification, and the
1 Y# H' K# v# y; p9 Bidentification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not" M! v/ p# H. q' [1 E* {
green) running along the insulation.
$ X1 n9 ~: l& V5 l# C(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of
3 P1 e0 S: Z8 P: Y( G J8 Xan identified conductor; however, in the case of those flexible cords where the identified conductor is. a, m' D9 h+ S6 F
identified by a raised longitudinal ridge(s), the other conductors shall have no ridges.( Z) q# Y5 E. w' R
(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked
- ]- Z9 @; @+ m+ U, a9 R9 Nas the identified conductor by painting or other suitable means at every point where the separate/ u, M4 L9 i; C" l% J3 ~3 ]& J
conductors have been rendered accessible and visible by removal of the outer covering of the cable, and
( K8 _, j, k) [$ hthe painting or other suitable means of marking the identified conductor shall not be permitted to render/ Z6 E: I7 J& H7 j u6 L, P1 {5 X4 W
illegible the manufacturer’s numbering of the conductor. |
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