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this is what code says:8 D# W- k" z% @, Y! k9 x1 Z
4-028: Identification of insulated neutral conductors up to and including No. 2 AWG
2 w3 l! v" t+ L+ Ncopper or aluminum5 A, P' b1 m! f2 C5 e& e
(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including4 B& E# F7 e$ P7 l; N
No. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to4 P q/ A- R4 m$ R
such neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes
" k- F0 C9 p* p: L& c1 \# talong the entire length of the conductor.
- a, |- \; N) f: o4 R(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure* ~+ }5 K+ z! s) h7 @' t
and the identified circuit conductor of one system is coloured by a white or grey covering, each identified
4 H+ V. _$ g. Q( O1 m/ \circuit conductor of the other system, if present, shall be provided with a specific identification, and the I' Z" C. L$ z G6 m
identification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not
. c5 u0 R9 l: v8 F5 b1 `% dgreen) running along the insulation.6 q# o# {. v: L/ H, u' Z2 K
(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of
* z, e# Z$ O" C3 e+ B1 y8 `an identified conductor; however, in the case of those flexible cords where the identified conductor is
9 ^' {% F. I2 y7 Z' n! [identified by a raised longitudinal ridge(s), the other conductors shall have no ridges.
/ s( o# t' t/ e6 R+ }(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked% ^# H: {* n0 W A
as the identified conductor by painting or other suitable means at every point where the separate( i' j6 f4 E! N! ]2 X
conductors have been rendered accessible and visible by removal of the outer covering of the cable, and
3 k+ i b P* ^7 ^" Xthe painting or other suitable means of marking the identified conductor shall not be permitted to render
6 B2 f* p4 B; O6 q8 Billegible the manufacturer’s numbering of the conductor. |
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