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this is what code says:
+ W" _; j' y6 S4-028: Identification of insulated neutral conductors up to and including No. 2 AWG8 {% v0 r2 q/ c `0 B7 F# Z- K* f
copper or aluminum1 e- d5 R- n6 A2 e' [1 \
(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including) i- Q' S5 N# G& o" ?6 i7 q b
No. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to# M8 s- T( i6 I
such neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes1 I2 U9 `1 q* j$ ]) Q e
along the entire length of the conductor.
, F, h: d+ w+ ^4 c# J8 [(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure8 ]& g. ?) k! Q* q* s. R$ ` z
and the identified circuit conductor of one system is coloured by a white or grey covering, each identified
7 V: v: X! R4 [( L# lcircuit conductor of the other system, if present, shall be provided with a specific identification, and the+ m1 L+ s$ U/ e: D B- o1 v
identification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not% a; p9 E$ k# ^. Z( }! M
green) running along the insulation.
2 I$ o; y0 n6 R- q(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of6 e+ h# D' u2 b- g
an identified conductor; however, in the case of those flexible cords where the identified conductor is3 l0 U8 k3 P& |5 \6 P# z7 ]
identified by a raised longitudinal ridge(s), the other conductors shall have no ridges.
' y% D [- e$ O(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked, D- U4 O, z1 p% Y
as the identified conductor by painting or other suitable means at every point where the separate$ i7 N! H% s9 W, W% z/ H' p
conductors have been rendered accessible and visible by removal of the outer covering of the cable, and$ }: R; W: q/ k
the painting or other suitable means of marking the identified conductor shall not be permitted to render
# U- H$ k+ b6 @# p3 _& J' Xillegible the manufacturer’s numbering of the conductor. |
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