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this is what code says:7 x! @, ?4 G% s+ R- G2 c; g
4-028: Identification of insulated neutral conductors up to and including No. 2 AWG/ y7 [. U( F7 k7 w
copper or aluminum4 {5 o5 s( P9 b8 [. k
(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including8 y# P, `; d9 X
No. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to
, }% ?9 s: S9 G( ^: y+ I; {7 Tsuch neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes, M( s; N1 S" w6 c# f
along the entire length of the conductor.+ K1 a s1 K' z& c; C* P
(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure7 ]# z! g6 Y9 c2 e: @2 w
and the identified circuit conductor of one system is coloured by a white or grey covering, each identified' Z1 Q# Q/ L8 f/ x- ~
circuit conductor of the other system, if present, shall be provided with a specific identification, and the' w; @: i. r8 w7 o
identification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not% d' t+ n, u+ L2 E# d& x
green) running along the insulation.6 x F$ [+ g0 W% E& V8 p+ M
(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of
J" v5 u( E y$ qan identified conductor; however, in the case of those flexible cords where the identified conductor is- E: t, R0 ?- j9 B+ e* c7 |9 `
identified by a raised longitudinal ridge(s), the other conductors shall have no ridges.
8 p o7 i2 ` e' {5 a(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked
: I5 H" [9 m6 S% E2 }; was the identified conductor by painting or other suitable means at every point where the separate
0 I3 {; H7 _! _- }& F X* Yconductors have been rendered accessible and visible by removal of the outer covering of the cable, and E' U/ p/ O5 l7 {
the painting or other suitable means of marking the identified conductor shall not be permitted to render2 }# h# @3 ~ A: }- ^* L
illegible the manufacturer’s numbering of the conductor. |
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