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this is what code says:0 Y7 b/ B# B7 d4 E/ { B% I
4-028: Identification of insulated neutral conductors up to and including No. 2 AWG" y P+ c$ X4 Q/ Z: c8 k
copper or aluminum
1 n5 U- T, V/ E+ ?+ w4 \( W$ N(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including2 Y! x G* C0 o0 c
No. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to
* w* _: |" t# vsuch neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes
7 d: d7 R& N6 k* Malong the entire length of the conductor.
) w3 X/ T0 @ q2 J/ y(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure6 L( v; S# e& N' X# J: R: C
and the identified circuit conductor of one system is coloured by a white or grey covering, each identified
, a* q: \4 P6 W& z" ]& J& ]9 r& jcircuit conductor of the other system, if present, shall be provided with a specific identification, and the; x r D. g+ W/ K
identification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not, ?+ m6 Y9 G/ H( w
green) running along the insulation.
! r3 m3 C5 Q/ |) \' u% z: ?* c1 a(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of/ A7 o: I% N. ~) T
an identified conductor; however, in the case of those flexible cords where the identified conductor is
8 x7 m9 x1 ]$ Y- y8 t& H4 Nidentified by a raised longitudinal ridge(s), the other conductors shall have no ridges.- Q2 A9 Y/ A- h% t( r
(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked
3 P$ y( e5 J2 Xas the identified conductor by painting or other suitable means at every point where the separate
* J5 R$ s6 _- N; y5 r' ^3 Bconductors have been rendered accessible and visible by removal of the outer covering of the cable, and
& l4 U0 Y1 Z: X4 O! qthe painting or other suitable means of marking the identified conductor shall not be permitted to render
' G4 i1 L5 G8 U, B2 m1 @. killegible the manufacturer’s numbering of the conductor. |
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