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this is what code says:# M0 q& R$ P6 R' j
4-028: Identification of insulated neutral conductors up to and including No. 2 AWG
# f) N' r, l Y) ncopper or aluminum$ |- G, ]9 a q
(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including! f$ I- `7 e2 ~/ [+ s* F# _
No. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to; n9 d3 N H5 ?
such neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes5 @: A5 @+ X( R9 a5 [, V
along the entire length of the conductor.* o6 |- L# V2 ?6 ?4 l
(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure, m* o# `4 E# h/ Q; F2 x5 H
and the identified circuit conductor of one system is coloured by a white or grey covering, each identified! z9 ^7 Q; ^* u0 R
circuit conductor of the other system, if present, shall be provided with a specific identification, and the
# s6 |5 P0 p0 Y0 @0 @$ {identification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not
9 \9 U% I) q+ f% L& [ U. z+ Ygreen) running along the insulation.) ~- c; R/ f% `. @0 M- R1 c: Q% I
(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of
: z( ?+ W2 _7 E, i/ B6 Q# Dan identified conductor; however, in the case of those flexible cords where the identified conductor is
" f" u* b0 O" T) ?8 `identified by a raised longitudinal ridge(s), the other conductors shall have no ridges.7 }" i7 j2 a) R0 O: ]
(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked
+ V3 g! R: m8 Das the identified conductor by painting or other suitable means at every point where the separate: C1 U4 t7 y* k3 r9 W/ d; x) R1 i
conductors have been rendered accessible and visible by removal of the outer covering of the cable, and" C e, i( h# P* L2 u# G8 z2 h; l: m
the painting or other suitable means of marking the identified conductor shall not be permitted to render* u% n( n) y6 n! A0 w
illegible the manufacturer’s numbering of the conductor. |
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