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this is what code says:2 ]! u; i# _- n
4-028: Identification of insulated neutral conductors up to and including No. 2 AWG$ U; W1 D/ |4 J
copper or aluminum" @' D6 e* l4 A4 Y% X2 E
(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including* y/ O8 U8 d( X" B7 d& m6 V- f
No. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to- C7 Y' {, A- E* i _
such neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes' u+ b/ Z$ N3 i* o7 k& m
along the entire length of the conductor.* t" T s% j$ K
(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure
4 o/ _6 V1 @! W$ n% rand the identified circuit conductor of one system is coloured by a white or grey covering, each identified( O, d( t4 @! `8 t$ K8 M" C
circuit conductor of the other system, if present, shall be provided with a specific identification, and the. V4 U+ H' V/ `
identification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not
( s4 m( ]0 ?' A0 ]! ?green) running along the insulation.
$ I* x' C. @: t( W( Y* w6 c, e( S(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of* h9 Y) Y& X; [9 X; l
an identified conductor; however, in the case of those flexible cords where the identified conductor is
7 X; c/ ?& O0 Nidentified by a raised longitudinal ridge(s), the other conductors shall have no ridges.
3 W6 {# L0 F9 }6 `8 t: U(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked
\% @; }7 k9 j7 nas the identified conductor by painting or other suitable means at every point where the separate$ r7 @! l, q: w6 o- e+ X% ^
conductors have been rendered accessible and visible by removal of the outer covering of the cable, and
7 s* n F7 k4 B0 h9 a7 Athe painting or other suitable means of marking the identified conductor shall not be permitted to render
1 L# F4 O, r" \; _9 pillegible the manufacturer’s numbering of the conductor. |
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