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this is what code says:7 ]" l& h' i' z3 [
4-028: Identification of insulated neutral conductors up to and including No. 2 AWG4 g. ]% Y8 ^0 Q: e& }1 O* O4 T
copper or aluminum
/ u3 }( ?- b+ Q4 n9 \: z(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including
5 T7 \0 R1 x& h! fNo. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to" h, T. I7 A) [2 h! v
such neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes
6 _5 l& `! q4 ~1 X# Zalong the entire length of the conductor.
* O) f# E. J$ q. N(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure( r" o) V% w, w8 r/ ~
and the identified circuit conductor of one system is coloured by a white or grey covering, each identified
4 ^% L6 }' Z0 t: y( fcircuit conductor of the other system, if present, shall be provided with a specific identification, and the; A) Z' o6 y! M- D. S' E2 q, n
identification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not
" t: o f5 @9 v2 t4 z$ ]0 ggreen) running along the insulation.
$ W6 V8 {0 [* @3 i8 N5 b, O/ }) f(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of
2 v o; m6 X- v, ~; U- Wan identified conductor; however, in the case of those flexible cords where the identified conductor is
8 Z5 t! J& n' S; b! ]identified by a raised longitudinal ridge(s), the other conductors shall have no ridges.% c* j9 s7 k/ ^4 {' X* z
(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked0 `# W! x) t3 b0 I; ?
as the identified conductor by painting or other suitable means at every point where the separate
$ w) u: E- B, d7 W0 j" ?conductors have been rendered accessible and visible by removal of the outer covering of the cable, and. R7 G8 \ M6 X5 ?0 {
the painting or other suitable means of marking the identified conductor shall not be permitted to render, Y! B* t7 ^+ }3 a, Z
illegible the manufacturer’s numbering of the conductor. |
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