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this is what code says:: B' U4 t# E" Q, }( P* \: a+ Z, ]
4-028: Identification of insulated neutral conductors up to and including No. 2 AWG
6 C' [: e8 D( {1 Mcopper or aluminum
# V i6 j/ c3 [' P0 u5 Y; i(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including9 ? V9 `7 A( a3 o5 }) f% K6 n# g% ~
No. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to
: O% X X4 @5 Y5 Z+ Q6 m3 Fsuch neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes( |" m* G, }9 H) t
along the entire length of the conductor.
# m. q( a5 l0 r(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure/ r9 z1 m7 G7 j- a) Q9 C
and the identified circuit conductor of one system is coloured by a white or grey covering, each identified
: W& N1 W9 i8 Z y3 m1 B. xcircuit conductor of the other system, if present, shall be provided with a specific identification, and the; a& U. k) u8 p3 L* e( i
identification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not. k. V" ~+ u; s. }0 E" b
green) running along the insulation.0 j1 ?; L a' ] p2 ~ K5 v; J
(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of; K# k2 G5 O4 ^
an identified conductor; however, in the case of those flexible cords where the identified conductor is
. y* t: W9 b; Z9 |6 Tidentified by a raised longitudinal ridge(s), the other conductors shall have no ridges.
2 c* D1 F" e* ^( z" p9 q' d3 [(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked
! ^- K# C0 T3 F6 y3 P. n, c; [as the identified conductor by painting or other suitable means at every point where the separate: G. u/ r8 z: k$ ?
conductors have been rendered accessible and visible by removal of the outer covering of the cable, and
, E/ H0 [ K! uthe painting or other suitable means of marking the identified conductor shall not be permitted to render
- h- @& Y! ]4 C" c) x7 K) Uillegible the manufacturer’s numbering of the conductor. |
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