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this is what code says:3 B; q% ~8 x' @, a/ }- D
4-028: Identification of insulated neutral conductors up to and including No. 2 AWG
8 p7 C; L7 ]: Hcopper or aluminum
0 t* X& \! s# U3 \( F9 ~: y(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including, T9 F, w0 ~3 _, F
No. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to
( O @5 H8 }/ M* ]9 a8 Q) Msuch neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes
% D& T6 i$ Z2 T0 a: s& f0 dalong the entire length of the conductor.
1 w; p, Y" @% O# F8 ~" U6 g- q7 d! j(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure2 G3 l" o. t4 ?3 v6 X
and the identified circuit conductor of one system is coloured by a white or grey covering, each identified) a) C7 v9 Y+ Z& @0 B( T: ^
circuit conductor of the other system, if present, shall be provided with a specific identification, and the
& ~8 D: ]+ v1 {7 G2 ~identification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not
3 D/ c7 J3 R7 V/ Sgreen) running along the insulation.9 b' B9 O# v, p$ M
(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of
5 Y5 m4 C" x% O1 l& S6 qan identified conductor; however, in the case of those flexible cords where the identified conductor is
6 Q! p3 m! v+ ^; yidentified by a raised longitudinal ridge(s), the other conductors shall have no ridges.
# P+ M) \5 @4 s2 i& k8 A9 K(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked
l |! q# i4 q# ]" ras the identified conductor by painting or other suitable means at every point where the separate
7 @ H( Z8 E. w" wconductors have been rendered accessible and visible by removal of the outer covering of the cable, and
. y( U2 m9 ^" T @* Qthe painting or other suitable means of marking the identified conductor shall not be permitted to render. g% e8 b$ e1 @9 ~5 w
illegible the manufacturer’s numbering of the conductor. |
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