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this is what code says:
8 F5 Z6 l3 q9 c8 [4-028: Identification of insulated neutral conductors up to and including No. 2 AWG
, K! u( q7 r! d6 v, ]copper or aluminum6 y. b' v7 S( V6 R
(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including, S0 x5 a6 D E
No. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to
0 O p0 l8 K7 W5 A/ O3 Y& Bsuch neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes9 \) w, h' z C
along the entire length of the conductor. c7 W* t, Z& k; u: C8 h$ S8 s
(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure" L8 ?5 j% ~1 n+ C3 n- Q+ W& @
and the identified circuit conductor of one system is coloured by a white or grey covering, each identified' e0 V$ ~2 V7 W5 t/ V Z
circuit conductor of the other system, if present, shall be provided with a specific identification, and the* L0 a, C" j. a3 y$ Z6 ~/ e% s
identification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not6 S) A% T/ W2 j! _, u* R
green) running along the insulation.( ~8 z0 t+ X3 s7 o/ z
(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of
- I F! t6 l: C1 W% Ian identified conductor; however, in the case of those flexible cords where the identified conductor is9 W3 |, g R7 G, V5 Q, |( F
identified by a raised longitudinal ridge(s), the other conductors shall have no ridges.
) t% i* ^ t! ~( R, [(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked
+ m. U4 i) b# k' f1 [6 b; D& ras the identified conductor by painting or other suitable means at every point where the separate, v* j O' \$ U" R/ `! L7 f9 S! L
conductors have been rendered accessible and visible by removal of the outer covering of the cable, and0 G5 i0 V3 Y, F9 R
the painting or other suitable means of marking the identified conductor shall not be permitted to render
' I9 h* P: o, V' Z% qillegible the manufacturer’s numbering of the conductor. |
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