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this is what code says:( J8 S) p- w& p5 C' G! x! p
4-028: Identification of insulated neutral conductors up to and including No. 2 AWG
* u# S# g/ i: `9 h8 |& B7 ^- N Ycopper or aluminum
( _) g, X' k/ Z% p$ I(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including
; ~3 a. U% N( g8 ?4 d) LNo. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to5 p: x: n5 w2 h% p2 k( U
such neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes
% u/ T1 ?! _4 q+ W4 Q/ `along the entire length of the conductor.& ?# d+ `( i8 C
(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure' |5 p' u/ ~& P
and the identified circuit conductor of one system is coloured by a white or grey covering, each identified" f4 N; M. z5 j+ I: S; s
circuit conductor of the other system, if present, shall be provided with a specific identification, and the
7 ?& I D3 B, ^0 K- |- _identification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not
' P4 H" t8 K0 a" Q* ggreen) running along the insulation.
4 d6 Z. o0 n A5 {6 W# L) E(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of$ P+ I n! N1 M }. r; ], D3 n
an identified conductor; however, in the case of those flexible cords where the identified conductor is; t+ C+ i8 P6 e6 F% [7 s i
identified by a raised longitudinal ridge(s), the other conductors shall have no ridges.
3 } t& c. I5 L; @5 S8 b; O4 v; |& P9 E(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked
- `3 y( h6 { E5 M5 E2 gas the identified conductor by painting or other suitable means at every point where the separate8 l) ^ I- f' R( P C/ u
conductors have been rendered accessible and visible by removal of the outer covering of the cable, and# F) |7 p$ M6 g: Z, {2 x. z w
the painting or other suitable means of marking the identified conductor shall not be permitted to render
# u* W3 v/ g4 s" f; V1 ^( u9 n1 g7 gillegible the manufacturer’s numbering of the conductor. |
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