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this is what code says: x7 ]$ e) R/ M* M
4-028: Identification of insulated neutral conductors up to and including No. 2 AWG, L+ N7 D) D% ]4 \) ? p
copper or aluminum
3 [4 [/ Y _- H) C(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including
4 a; x$ o- c4 g/ xNo. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to
$ |5 h1 ~5 Z8 h% [such neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes/ F5 `6 Z+ c' l( Z1 ^' _% t
along the entire length of the conductor.; q8 D7 `; q7 G0 e! V" h, U
(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure
( q# X+ r' A" L# tand the identified circuit conductor of one system is coloured by a white or grey covering, each identified
- {7 L# S$ a* hcircuit conductor of the other system, if present, shall be provided with a specific identification, and the
1 b% y$ u! t* h: j$ b, E; \5 h/ yidentification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not: L. x2 W% s. d6 Z' D0 d$ L/ }0 d
green) running along the insulation.3 \; ~- r8 [) j3 [3 d. W7 f% u
(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of
( `4 g$ B7 ^0 o9 Zan identified conductor; however, in the case of those flexible cords where the identified conductor is- W3 e; p% k8 X& G: P4 Z
identified by a raised longitudinal ridge(s), the other conductors shall have no ridges.# W" A2 m% c5 I' ?2 s9 G
(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked
3 c" h( B# ~+ B2 w8 Q6 Y% Zas the identified conductor by painting or other suitable means at every point where the separate
0 g# M! V! O1 b9 h8 _, Econductors have been rendered accessible and visible by removal of the outer covering of the cable, and
& q+ B, J& L8 U, ?, y8 Kthe painting or other suitable means of marking the identified conductor shall not be permitted to render
( b* I& G4 y. o' K2 k4 ]illegible the manufacturer’s numbering of the conductor. |
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