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this is what code says:
3 g# u3 o1 ^. ^# e& L; M1 W5 V: z4 H4-028: Identification of insulated neutral conductors up to and including No. 2 AWG
! A4 m$ r0 [' H9 Rcopper or aluminum
& h+ g: ]$ H: X0 {, t3 C(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including
# s: n9 Q4 ]# A m5 U( MNo. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to
/ b. \0 \/ B' L7 I5 o& b8 [such neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes
. R6 c/ I& \% I- {along the entire length of the conductor.
3 D1 k u6 S* T/ P& U e(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure/ J( v9 E& O" I! [2 Y" U
and the identified circuit conductor of one system is coloured by a white or grey covering, each identified
/ E+ G0 S# p9 v+ h! T: S* k. F1 Qcircuit conductor of the other system, if present, shall be provided with a specific identification, and the
. Q7 V5 P6 a9 Q0 W& l: _identification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not
! s; P- C, ? i- W( ogreen) running along the insulation.
Y6 R$ _6 n' a, N1 V(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of1 d7 b9 X4 a/ W' M
an identified conductor; however, in the case of those flexible cords where the identified conductor is3 C6 M7 W" m9 Q
identified by a raised longitudinal ridge(s), the other conductors shall have no ridges. u# Q% k9 v. o& [, c. G
(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked
5 K& l( e' f t* {0 gas the identified conductor by painting or other suitable means at every point where the separate
% Q6 h) p1 O0 X0 X' o' t0 Xconductors have been rendered accessible and visible by removal of the outer covering of the cable, and
1 j" Q3 _- P: m, h0 s4 Y; m5 Ethe painting or other suitable means of marking the identified conductor shall not be permitted to render
+ X% g3 N9 [$ z' v4 C: Qillegible the manufacturer’s numbering of the conductor. |
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