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this is what code says:
* s1 o$ t1 m: T; h$ S' w% c* C& F4 f4-028: Identification of insulated neutral conductors up to and including No. 2 AWG6 F6 z9 j) @5 ?" Q
copper or aluminum
( W4 H/ z8 n$ F(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including
% Q0 q2 U/ U9 I6 J6 @ |# ]No. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to, g6 k l; H( E4 j6 n) U
such neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes/ `0 J* @% R0 ~0 C5 G4 {+ s
along the entire length of the conductor.
- f. r" C! U( N(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure$ `$ \) c$ a9 C/ ~
and the identified circuit conductor of one system is coloured by a white or grey covering, each identified+ \$ F/ F# l0 P6 y0 Z. E( F# i/ `
circuit conductor of the other system, if present, shall be provided with a specific identification, and the
' Z+ Y. j- k0 P5 c( I, T4 Yidentification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not
7 a+ ^$ L% \5 k) I$ tgreen) running along the insulation.
- U: k" f* v. G" |) N) V5 f, U/ Q(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of/ r* J0 Q4 C V
an identified conductor; however, in the case of those flexible cords where the identified conductor is
; y% K( g1 f5 [! I+ O) k# iidentified by a raised longitudinal ridge(s), the other conductors shall have no ridges.
- F6 K5 j0 [' F(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked. X7 O- f0 ~/ |6 l+ B+ ~& ?# s: S9 n
as the identified conductor by painting or other suitable means at every point where the separate
9 K& p6 b @ Y% M6 c6 X9 Mconductors have been rendered accessible and visible by removal of the outer covering of the cable, and
# S/ R3 Q% l( h8 c) M6 F6 rthe painting or other suitable means of marking the identified conductor shall not be permitted to render
Q1 \( c3 p2 E* Q; Iillegible the manufacturer’s numbering of the conductor. |
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