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this is what code says:
9 ~- n6 O; F* g' a4-028: Identification of insulated neutral conductors up to and including No. 2 AWG
- i" j% Z7 |, x0 [copper or aluminum
2 Q. z$ j' ?8 M% b' ^. E: R3 i5 ~/ |' }9 h(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including
) M" m2 u2 M+ K. P' L) s+ d9 Z GNo. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to6 `% L, Z i ], e+ R
such neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes7 A7 p( J6 }+ G& b9 z2 H9 E9 t, r
along the entire length of the conductor.
6 y( N4 R2 t3 `7 r& p(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure& m- d2 C& w) D; C# y; \
and the identified circuit conductor of one system is coloured by a white or grey covering, each identified
0 h3 }; U( {5 _circuit conductor of the other system, if present, shall be provided with a specific identification, and the9 m: a5 ?, U: n, t
identification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not
0 S( E1 k* I D; V: Jgreen) running along the insulation.6 ]2 \" z4 Y( w; q2 l
(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of& h. a! r* j5 ?! t2 T
an identified conductor; however, in the case of those flexible cords where the identified conductor is K8 i% ]- E. C& e6 {
identified by a raised longitudinal ridge(s), the other conductors shall have no ridges.* u! y( [" w% x9 C1 |) ~# m
(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked
; y' D) p& L% H9 N( h" V" I7 B4 mas the identified conductor by painting or other suitable means at every point where the separate
$ K& A+ S. l3 b/ W! Kconductors have been rendered accessible and visible by removal of the outer covering of the cable, and
/ o) J( M0 y* X! { E* ythe painting or other suitable means of marking the identified conductor shall not be permitted to render
/ ]2 P1 D. @* x7 fillegible the manufacturer’s numbering of the conductor. |
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