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this is what code says:
: ~: `/ w0 m; G& ~0 I% T4 g4-028: Identification of insulated neutral conductors up to and including No. 2 AWG
. i: [ g, i+ I4 f8 j1 Mcopper or aluminum, \+ d: \: ?; R+ m6 w$ [
(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including0 `9 }6 W7 i# D* `- ^8 Z3 P
No. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to5 S2 }! |, T0 O9 y
such neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes) f7 J( @1 x' q7 B3 E/ {5 n
along the entire length of the conductor., ^+ ^: ?9 ?, M/ L: z" S
(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure
# C; U6 Z& e) |. N, \+ F/ Land the identified circuit conductor of one system is coloured by a white or grey covering, each identified, [% ^ i p! E1 @8 \- H3 l' W/ S3 g
circuit conductor of the other system, if present, shall be provided with a specific identification, and the
$ T3 l8 A/ h4 V4 T( c Iidentification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not
4 s$ G2 Y5 ~3 i6 A/ ~' Mgreen) running along the insulation.% Z q2 c) X% m3 B; `1 V- E
(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of
( i0 l7 I0 j; S0 ?# `; Yan identified conductor; however, in the case of those flexible cords where the identified conductor is! c/ F8 J( Y4 Q
identified by a raised longitudinal ridge(s), the other conductors shall have no ridges.) `9 Q9 o6 Y( r2 x, h+ {6 F
(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked( w) u4 e( J: a) j9 H, q1 S
as the identified conductor by painting or other suitable means at every point where the separate
, {( L1 T( L# l0 P6 \! G( Iconductors have been rendered accessible and visible by removal of the outer covering of the cable, and; W- S( m2 u4 j4 M6 O6 a
the painting or other suitable means of marking the identified conductor shall not be permitted to render" ~: y1 O% Z$ [4 S) Z1 j
illegible the manufacturer’s numbering of the conductor. |
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