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this is what code says:; u- ]$ J/ i4 ^' B/ o
4-028: Identification of insulated neutral conductors up to and including No. 2 AWG
' P, v" X1 }! e) a Xcopper or aluminum
6 [7 W+ z! S" U0 f(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including9 }: K8 {( H8 X+ d) W8 \
No. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to
% A& s8 s$ o9 @7 o1 y& n* E$ Dsuch neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes
# Q$ Q2 ?6 B, l! }; _6 {along the entire length of the conductor.: Y9 n+ ^/ \' z4 i! U
(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure
W2 j' F# p/ g* S, E; Y( \+ Xand the identified circuit conductor of one system is coloured by a white or grey covering, each identified
7 x: P1 z. l& F& U, c- M. w3 L" Zcircuit conductor of the other system, if present, shall be provided with a specific identification, and the* m* V! ^7 N% `4 ]0 D9 F7 D& {
identification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not
9 B& `+ x' h; y1 h Q. l, Fgreen) running along the insulation.( `/ g0 s: \3 R4 W
(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of
o+ o, s" r8 {1 l+ Dan identified conductor; however, in the case of those flexible cords where the identified conductor is4 Q7 I- K. T" V1 n
identified by a raised longitudinal ridge(s), the other conductors shall have no ridges.: S- p* t2 q) t3 U3 U2 E
(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked
% z# b; F8 M# J% W, a! r+ h* tas the identified conductor by painting or other suitable means at every point where the separate
) n2 W( D0 P) x& S- A1 sconductors have been rendered accessible and visible by removal of the outer covering of the cable, and. I, a4 @7 H& f) V% w. f; }4 j
the painting or other suitable means of marking the identified conductor shall not be permitted to render9 G" G5 T3 ]5 a0 _# Q# e
illegible the manufacturer’s numbering of the conductor. |
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