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this is what code says:( b; E, ?" k& B X
4-028: Identification of insulated neutral conductors up to and including No. 2 AWG
- R* W9 h' Z+ V8 P' Xcopper or aluminum* B! G- p, k2 a! ~
(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including
3 I( c$ x' q+ x, qNo. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to
9 r2 e! v, u% \+ u- Osuch neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes. i/ c4 E2 P5 S, u
along the entire length of the conductor.
$ _/ n# }+ {: e! Y+ m: D(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure6 _0 x% [, v" ~9 @6 v' `
and the identified circuit conductor of one system is coloured by a white or grey covering, each identified, H' G6 t. R- p( ]2 m+ s. w4 K9 R# p
circuit conductor of the other system, if present, shall be provided with a specific identification, and the
) d/ \5 K+ w% g1 _ G+ ` ]identification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not
! c$ B) y, U7 d6 Jgreen) running along the insulation.( x* J, n5 E7 Y
(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of G$ j/ [. R) ]/ S; s
an identified conductor; however, in the case of those flexible cords where the identified conductor is. G9 j& P0 ^; _$ l% T
identified by a raised longitudinal ridge(s), the other conductors shall have no ridges.( y" ^) }, J- e. E
(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked
& K6 g: w# I/ w. F+ z( ?( W- Ras the identified conductor by painting or other suitable means at every point where the separate$ y& y8 v6 _1 t7 n3 S8 f
conductors have been rendered accessible and visible by removal of the outer covering of the cable, and% t+ a+ l0 G% H* D. X
the painting or other suitable means of marking the identified conductor shall not be permitted to render* A9 P8 i! a9 e
illegible the manufacturer’s numbering of the conductor. |
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