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this is what code says:; |6 n3 u# H% l. P3 a
4-028: Identification of insulated neutral conductors up to and including No. 2 AWG$ z; X7 m5 w @2 j4 J1 r2 N
copper or aluminum2 M: m/ D$ h2 ^6 Q) [
(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including
! d( c. \/ q! @0 O: SNo. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to
1 q3 r# a% d/ i6 ]& Lsuch neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes9 w3 D! Z9 J- S
along the entire length of the conductor.
5 m7 I# M) r D1 \2 z(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure2 H% w( H, [, P$ C8 k' _4 `
and the identified circuit conductor of one system is coloured by a white or grey covering, each identified9 o8 E8 t3 f/ D/ _, M! R' h
circuit conductor of the other system, if present, shall be provided with a specific identification, and the
! |* i& u& H- g+ Didentification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not% Q1 x6 o( E" \& A; f8 N5 X
green) running along the insulation.
- j2 p/ y, d- T z% G2 z(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of
# u' o; u5 z; n- S, `an identified conductor; however, in the case of those flexible cords where the identified conductor is% q3 v( ?; ?2 t. h K0 N1 Z
identified by a raised longitudinal ridge(s), the other conductors shall have no ridges.
: K" f* g" O- J6 `% e(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked
- A4 u8 i4 ~( ?1 n5 m A! |as the identified conductor by painting or other suitable means at every point where the separate
/ t% b/ n2 T+ o4 H! S1 n" a( Gconductors have been rendered accessible and visible by removal of the outer covering of the cable, and# I9 J' w4 l3 e9 G3 |
the painting or other suitable means of marking the identified conductor shall not be permitted to render
$ P" R7 U$ c- f: ]% A0 Nillegible the manufacturer’s numbering of the conductor. |
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