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this is what code says:$ K* @1 g( C d: J) q/ L* e! R& R
4-028: Identification of insulated neutral conductors up to and including No. 2 AWG. a& W# S h( ]6 l* a3 J/ x
copper or aluminum) A- i( p" x e* M/ k7 S$ G
(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including+ o9 _' M: G- Q! H g* ]* V) q
No. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to) p+ {' X/ N. Y* E, p, b
such neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes8 z; A; |3 C# W U o
along the entire length of the conductor., f( f0 c7 T, H8 m w v: G6 ?8 Z- `
(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure; s; j' o+ E$ c4 M* w- t
and the identified circuit conductor of one system is coloured by a white or grey covering, each identified
2 D B( G- a9 w! {( N& Hcircuit conductor of the other system, if present, shall be provided with a specific identification, and the
- @. p% ]: N) z4 `6 h# o6 Yidentification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not
D( s) ^8 Z1 w$ m$ S3 u; Igreen) running along the insulation.
( n) }' E5 M4 j! x3 P(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of6 h, S5 U2 v9 {7 k: h& W
an identified conductor; however, in the case of those flexible cords where the identified conductor is: C" e; A5 @7 g9 { `
identified by a raised longitudinal ridge(s), the other conductors shall have no ridges.
! y; z% U/ S% B8 ^! t9 d(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked
6 N+ c: j! [ q' Q$ \$ p) {as the identified conductor by painting or other suitable means at every point where the separate2 w0 e; u6 R0 p2 p
conductors have been rendered accessible and visible by removal of the outer covering of the cable, and& G: c6 M2 Z c- Q1 n8 W
the painting or other suitable means of marking the identified conductor shall not be permitted to render
- P' t/ O6 `0 O% Villegible the manufacturer’s numbering of the conductor. |
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