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this is what code says:* ~! w( T" v0 _: e
4-028: Identification of insulated neutral conductors up to and including No. 2 AWG# K' }" v3 Q$ u9 [4 ]
copper or aluminum
6 S p9 p& g N1 b: t8 D(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including( F( e" t9 Y1 w3 b5 [
No. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to
4 z4 Y# q6 ^6 K- K5 `+ tsuch neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes! u0 z# p L2 [. a2 y' L+ T
along the entire length of the conductor.! k2 v) T6 a2 J: f
(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure& C0 y1 m+ l/ x3 b+ N( ]( Q8 W
and the identified circuit conductor of one system is coloured by a white or grey covering, each identified; J6 v R6 L2 E+ x+ ^4 T
circuit conductor of the other system, if present, shall be provided with a specific identification, and the
$ p- b, O3 u% a/ s; xidentification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not& X9 Q( T4 q# b- p' R
green) running along the insulation.8 _3 a( p# C6 ?# ?( Q. h
(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of
5 z7 @/ D' v0 g7 R+ H) t H1 x6 tan identified conductor; however, in the case of those flexible cords where the identified conductor is
7 _# A2 C3 N9 g& O& k3 ]identified by a raised longitudinal ridge(s), the other conductors shall have no ridges.
# a" c, A# _9 Y; }) r) d }; m0 [(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked; |* A% K8 X& W0 o0 C3 z
as the identified conductor by painting or other suitable means at every point where the separate
; U( I4 J9 n! Z) B9 U. I. W' yconductors have been rendered accessible and visible by removal of the outer covering of the cable, and" F& @7 V- v( ]0 f' `9 `
the painting or other suitable means of marking the identified conductor shall not be permitted to render
% Y" O% I: h) [! O. P( a2 tillegible the manufacturer’s numbering of the conductor. |
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