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this is what code says:) t4 H ~7 e# \- A6 @
4-028: Identification of insulated neutral conductors up to and including No. 2 AWG, n: h) b7 z; {: r5 V \
copper or aluminum
; x2 E, }# w/ L% O(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including( s* D; l9 N! B" z) @
No. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to
4 Y3 V6 C6 G0 q' U* E/ F" z4 asuch neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes6 I. i2 M. z) N
along the entire length of the conductor.
6 l0 j0 K5 k# b6 `4 Q* O9 g(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure
& m7 j5 s; A1 Z+ W S; pand the identified circuit conductor of one system is coloured by a white or grey covering, each identified
3 v5 y r( D4 U8 kcircuit conductor of the other system, if present, shall be provided with a specific identification, and the* F9 a' n- B! }( k" A* p( Z' d1 X+ N
identification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not; N1 E e; |& E! L0 ]
green) running along the insulation.* |+ J$ p# R3 L+ x& `; z$ p7 k
(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of
6 }: t/ ~1 T8 b' W9 ~( Yan identified conductor; however, in the case of those flexible cords where the identified conductor is
6 X4 z5 q6 Z' d0 H! a, O. k' Tidentified by a raised longitudinal ridge(s), the other conductors shall have no ridges.
! b& R. x8 l8 g E' i! C; m(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked
" [6 \0 c8 j* has the identified conductor by painting or other suitable means at every point where the separate
1 L8 C! j5 ]' S! ^7 j, N- @conductors have been rendered accessible and visible by removal of the outer covering of the cable, and# S+ ^7 B4 K Y0 b. O7 M8 c5 V
the painting or other suitable means of marking the identified conductor shall not be permitted to render+ V0 v2 Z# B7 c4 t
illegible the manufacturer’s numbering of the conductor. |
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