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this is what code says:0 q1 I8 ~4 Y8 W$ L/ p& x+ H
4-028: Identification of insulated neutral conductors up to and including No. 2 AWG* N0 ~, i# H" ^
copper or aluminum
5 o; T ^' O! X0 }9 o1 C(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including! M( I% }, b! t# m+ h
No. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to
: i% ]6 O$ Y# x \4 u+ ^4 G; R( zsuch neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes7 n, `6 F0 z% z* Z* L
along the entire length of the conductor.
& B! w/ @9 H' q9 v3 u" i0 L(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure. t9 p# D, \" G [
and the identified circuit conductor of one system is coloured by a white or grey covering, each identified
9 |# ~/ g M7 h7 D5 V: ccircuit conductor of the other system, if present, shall be provided with a specific identification, and the
. D. x4 f! l- ^' Widentification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not: {: R6 [& W9 t& o
green) running along the insulation.
* S+ w$ h p9 x(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of
( C% z) S$ s8 c | Y- Uan identified conductor; however, in the case of those flexible cords where the identified conductor is
u) m, l5 q8 z3 T* X* zidentified by a raised longitudinal ridge(s), the other conductors shall have no ridges.
! V4 B) h: `( U; o7 k" D(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked1 t* z( h) g" `" n$ v; L! Z& `" t
as the identified conductor by painting or other suitable means at every point where the separate
+ ]7 C& f' h% `conductors have been rendered accessible and visible by removal of the outer covering of the cable, and
5 w& e0 ^. a; A& L/ @5 Tthe painting or other suitable means of marking the identified conductor shall not be permitted to render+ P1 I8 _1 ^: B) |) z7 u
illegible the manufacturer’s numbering of the conductor. |
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