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this is what code says:$ v& ~# p, y4 G
4-028: Identification of insulated neutral conductors up to and including No. 2 AWG- c j& O/ U3 F+ E! P2 r3 c: ^4 y# v/ A
copper or aluminum: Q. B" O' u% M# _, v1 e% k$ i, l
(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including) l; G9 A- F" p
No. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to
0 H' Z u2 h7 A( y. m. A$ D( Ssuch neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes2 R; d x# q- {+ C6 t9 [" H
along the entire length of the conductor.: ~& r8 N8 D, }! Z- l) r
(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure
6 c9 ~, ~0 J! \and the identified circuit conductor of one system is coloured by a white or grey covering, each identified
! l: | p3 ^2 t, wcircuit conductor of the other system, if present, shall be provided with a specific identification, and the
3 W4 ~/ K6 `: Q* V* S, videntification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not! m7 y' q! }$ \" Y
green) running along the insulation.
; O5 c1 w- T- n3 N1 C$ [ w/ q7 i(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of( y ?9 z; V6 v
an identified conductor; however, in the case of those flexible cords where the identified conductor is! I* t! e \/ X
identified by a raised longitudinal ridge(s), the other conductors shall have no ridges.
8 J; c- h! U% l0 {7 X0 N7 e$ a(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked
: n9 S3 e, l& b2 a2 has the identified conductor by painting or other suitable means at every point where the separate
0 g7 j) Y+ d* J& f" U- sconductors have been rendered accessible and visible by removal of the outer covering of the cable, and; U( s6 s3 ~- E1 l4 ]6 M
the painting or other suitable means of marking the identified conductor shall not be permitted to render
6 p5 B9 ^3 G2 @: tillegible the manufacturer’s numbering of the conductor. |
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