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this is what code says:" s: F6 t' O6 k3 P' @7 {( X
4-028: Identification of insulated neutral conductors up to and including No. 2 AWG" W2 V, r' k; C
copper or aluminum+ }4 T7 U" Q1 s2 w0 `3 r& _8 Z$ l7 u
(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including S8 P7 k7 `3 b
No. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to* U3 Z: z; L# J9 I1 Q: A5 Q/ {
such neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes9 M, c5 ^9 S" q0 k
along the entire length of the conductor.
2 r+ {" Z1 A; E7 D4 Q. j: G4 w/ L(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure
2 M, V8 Q+ x: X0 |7 gand the identified circuit conductor of one system is coloured by a white or grey covering, each identified
, D/ m: j5 [, }) O- Bcircuit conductor of the other system, if present, shall be provided with a specific identification, and the
: D9 P v2 y- ~* F9 a* ^0 Pidentification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not) i3 G. M) `. a& \; i1 L( ^
green) running along the insulation.
4 `5 c$ O4 N# n/ A4 u( T: {0 s' ](3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of
, C# r* j4 w: s9 H$ {7 B: dan identified conductor; however, in the case of those flexible cords where the identified conductor is
+ D+ M# s+ C8 }6 R% Oidentified by a raised longitudinal ridge(s), the other conductors shall have no ridges.4 l0 R) s* z' U" G! v$ m4 x
(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked
4 n4 t" ]6 H% A: h3 p, d( B1 kas the identified conductor by painting or other suitable means at every point where the separate4 F' C% b& l C) X* N+ m
conductors have been rendered accessible and visible by removal of the outer covering of the cable, and+ E1 M H3 M& s4 X" i% U! I3 s
the painting or other suitable means of marking the identified conductor shall not be permitted to render. |4 P# ^0 T2 t/ X0 r: q5 v2 l
illegible the manufacturer’s numbering of the conductor. |
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