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this is what code says:/ @: C5 H; A/ O( u7 _- b, U
4-028: Identification of insulated neutral conductors up to and including No. 2 AWG
( F7 U' f# z/ k# ]5 H; E$ hcopper or aluminum, m( C, J4 U7 O7 _( z6 M! b7 w
(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including5 M% l7 r9 q! \% a
No. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to
* j. `0 R7 w$ b5 \, G2 i) B, B+ S; hsuch neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes/ i- A: j& V0 v
along the entire length of the conductor." O$ ^: {6 b3 I6 [% s1 ]0 e
(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure
/ _8 q: T; ^1 Z ~0 _6 {and the identified circuit conductor of one system is coloured by a white or grey covering, each identified
! u5 K( J& D2 I) B+ Xcircuit conductor of the other system, if present, shall be provided with a specific identification, and the
$ n7 g8 ]. ]3 P }identification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not
% P2 \7 h) D* C: ]/ S5 Y' O: Vgreen) running along the insulation.
1 {$ a+ l% A( v+ Y& {(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of; [8 c8 p x1 G0 H9 t
an identified conductor; however, in the case of those flexible cords where the identified conductor is6 x7 r: o0 P* ~! r$ `
identified by a raised longitudinal ridge(s), the other conductors shall have no ridges. N u1 c$ U/ [; E
(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked
6 o. V Q1 G0 Las the identified conductor by painting or other suitable means at every point where the separate
4 h% ]& K" ?* Y" K K/ S O- a2 B, }conductors have been rendered accessible and visible by removal of the outer covering of the cable, and: Q' O% Y5 ~9 `7 D
the painting or other suitable means of marking the identified conductor shall not be permitted to render0 M2 ?1 Z& J2 t" R0 s9 X: x
illegible the manufacturer’s numbering of the conductor. |
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