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this is what code says:
5 A( g& }1 m. H5 b' v4-028: Identification of insulated neutral conductors up to and including No. 2 AWG/ U- L1 k9 ^: J5 q9 W7 Z
copper or aluminum# h' B; C. `- v- K2 n8 K$ x6 ]
(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including! C6 N3 V; g1 \' a9 M7 G8 J+ X
No. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to
$ `+ m$ H( O. B& [; Zsuch neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes
* f! q: s* Y! K6 v2 V- Kalong the entire length of the conductor.
1 u6 |0 e- j5 f0 B( ]. c(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure
, v' W. F. a' T1 Cand the identified circuit conductor of one system is coloured by a white or grey covering, each identified, E! Y' H0 e1 S$ I
circuit conductor of the other system, if present, shall be provided with a specific identification, and the% P4 b1 X' ~- J; T" i6 {
identification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not
^. h8 K( s' Jgreen) running along the insulation.5 G8 U% P2 r) U2 J. \+ Y
(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of; ^) [" V( W; m9 P" | u- f" [6 L
an identified conductor; however, in the case of those flexible cords where the identified conductor is' P% Q( @' I. ?3 p
identified by a raised longitudinal ridge(s), the other conductors shall have no ridges.
- q2 o7 p' N! g# ~6 `& x5 _(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked
8 A1 Q3 ?' n2 @* z4 o& }1 u) X1 mas the identified conductor by painting or other suitable means at every point where the separate
w& s# ~% `- J- Jconductors have been rendered accessible and visible by removal of the outer covering of the cable, and
$ }0 `& J! L5 _, c& B1 rthe painting or other suitable means of marking the identified conductor shall not be permitted to render
/ G/ k. ~; @- z4 a2 millegible the manufacturer’s numbering of the conductor. |
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