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this is what code says:% [6 v8 s: Y* b) l' a% F9 _! W
4-028: Identification of insulated neutral conductors up to and including No. 2 AWG. c# o: S! g( A0 l. a2 Q# a$ ^! g
copper or aluminum7 x& M2 {; C0 u4 T+ u
(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including
* n6 m2 i" B% A) t4 ?8 XNo. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to
. q! W5 U U2 [such neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes
" r! @9 Y7 v! u8 j: j" H7 F6 salong the entire length of the conductor.
' v/ M" H* h# ](2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure
1 C0 w9 e' k3 y6 Qand the identified circuit conductor of one system is coloured by a white or grey covering, each identified
+ p; u( F* C8 Q# rcircuit conductor of the other system, if present, shall be provided with a specific identification, and the
% L- B6 A: ^ h, n- [. hidentification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not
. p) x# T+ u* rgreen) running along the insulation.4 F; J. ?* M" i6 [/ E5 c
(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of
/ t0 C* d3 z! a/ V' Pan identified conductor; however, in the case of those flexible cords where the identified conductor is0 o* u. |, r' t+ c- {6 U# f
identified by a raised longitudinal ridge(s), the other conductors shall have no ridges.
2 \/ k/ U4 C& P. n( }# B4 K(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked9 U0 H( L' l$ I/ w! n% X
as the identified conductor by painting or other suitable means at every point where the separate
9 o/ t( o9 ^) [6 P4 a$ e% ]conductors have been rendered accessible and visible by removal of the outer covering of the cable, and
1 ~' ~2 ]. s2 `2 c2 A Vthe painting or other suitable means of marking the identified conductor shall not be permitted to render
3 i2 M+ ] w+ j8 ?8 P- P) billegible the manufacturer’s numbering of the conductor. |
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