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this is what code says:. H, \3 h7 |$ S. N& o
4-028: Identification of insulated neutral conductors up to and including No. 2 AWG
) l4 D, A3 J, U' @4 F Hcopper or aluminum6 ?: \! n0 |) t5 ^/ ~! g0 p
(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including- W3 ]/ h# r' [' x" B
No. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to8 [/ A: H( P& {5 y, x2 j
such neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes
' t% C# I$ R$ ~- ^4 lalong the entire length of the conductor.3 w/ r+ U7 c- A( W
(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure
- G' }: p1 d) @and the identified circuit conductor of one system is coloured by a white or grey covering, each identified W8 e4 T9 G* t" D! l7 Z8 p3 q
circuit conductor of the other system, if present, shall be provided with a specific identification, and the
, D8 z& T& D/ s6 `& w8 M2 g1 Xidentification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not
# ^9 c5 ?+ j3 mgreen) running along the insulation.
0 O3 b8 O; Z8 K(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of
4 o' B6 G! D5 Q _0 ]: P% Han identified conductor; however, in the case of those flexible cords where the identified conductor is3 o3 |, |, ?* w0 d- T. I$ O
identified by a raised longitudinal ridge(s), the other conductors shall have no ridges.
5 j% G; [% W& g/ W(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked
# U) p/ Y. r5 J" N; M6 f( {as the identified conductor by painting or other suitable means at every point where the separate
/ g. v+ `9 U, l; zconductors have been rendered accessible and visible by removal of the outer covering of the cable, and
; Q" g2 V6 A j `% Dthe painting or other suitable means of marking the identified conductor shall not be permitted to render/ x+ a& `# L$ u& X- L/ N6 e" s
illegible the manufacturer’s numbering of the conductor. |
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