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this is what code says:
X" ~2 v9 p3 V8 i) o4-028: Identification of insulated neutral conductors up to and including No. 2 AWG* I* v1 T7 C# ^/ O
copper or aluminum
5 _5 ?# y( Y- ~(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including
, I% L/ I3 V- Q6 ONo. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to
! c! T$ Q9 a; O& F$ bsuch neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes8 ~7 H" {8 A4 x# d7 O
along the entire length of the conductor.
2 E) p3 }/ {" o" n& i! H) _) y(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure, J8 b6 T4 N( a4 O2 u6 p! _# O3 _
and the identified circuit conductor of one system is coloured by a white or grey covering, each identified
1 r0 i) e- U6 @( K/ H$ `( Qcircuit conductor of the other system, if present, shall be provided with a specific identification, and the
, C2 U0 s9 U* v+ x# H, [identification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not
8 G) E& ]8 V( _9 i# V8 wgreen) running along the insulation.. [3 P3 w9 {0 R: {+ Z
(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of- |; a0 F! Q& r6 P% ]
an identified conductor; however, in the case of those flexible cords where the identified conductor is
4 K: a3 V3 R1 S/ ^identified by a raised longitudinal ridge(s), the other conductors shall have no ridges.
& D( {" _! E, C+ k- F: I0 K(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked
% _0 o: j" s2 T- N$ `/ Xas the identified conductor by painting or other suitable means at every point where the separate
8 R2 o9 E) {' \2 s$ V: ^! jconductors have been rendered accessible and visible by removal of the outer covering of the cable, and9 C0 q- E) f$ n
the painting or other suitable means of marking the identified conductor shall not be permitted to render
0 T6 c9 j: Y" L4 X$ ?* x/ Qillegible the manufacturer’s numbering of the conductor. |
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