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this is what code says:! f L# J4 w) }, i6 E
4-028: Identification of insulated neutral conductors up to and including No. 2 AWG
3 _' F- L% s9 y; Dcopper or aluminum9 v7 V8 t/ |6 M# t- F
(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including
4 b6 z% h3 D" b) \No. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to% [ c# M: P& ~3 l6 ~4 T
such neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes8 J1 e& j$ J0 g5 F9 f0 f
along the entire length of the conductor.8 {) s5 j: l9 i- y
(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure
3 [1 B+ L+ _( h; k. ~and the identified circuit conductor of one system is coloured by a white or grey covering, each identified) w4 {) e& W9 D/ Z
circuit conductor of the other system, if present, shall be provided with a specific identification, and the
h( S5 a6 z3 F: u9 t- Kidentification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not
; f: A7 x% V H e1 kgreen) running along the insulation.
! B- S3 D8 n" l. _2 l(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of$ s, a7 s) P r& C( Q5 y
an identified conductor; however, in the case of those flexible cords where the identified conductor is
- X; \4 Q! l+ O( V6 |identified by a raised longitudinal ridge(s), the other conductors shall have no ridges.
, s5 L& g. D: x/ C(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked. `- \6 p3 e/ H8 U$ C' Y- [/ I
as the identified conductor by painting or other suitable means at every point where the separate
: \2 X: y( K5 Zconductors have been rendered accessible and visible by removal of the outer covering of the cable, and$ X' O( y7 k" n/ E
the painting or other suitable means of marking the identified conductor shall not be permitted to render
+ c" t! E& Y; @. Q0 V- }8 r" cillegible the manufacturer’s numbering of the conductor. |
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