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this is what code says:: |/ X* \# u3 [* x1 N
4-028: Identification of insulated neutral conductors up to and including No. 2 AWG5 o7 g; W! M' _2 }; l7 ~2 @4 Y
copper or aluminum
( Z9 b) y# s- c% t# l(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including
) r2 [- x/ F$ a3 P" kNo. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to
6 I* R5 [8 k2 r7 h2 k7 c0 esuch neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes8 c, W' t8 j8 P& C. F0 r5 j$ [+ x
along the entire length of the conductor.
A5 W. A) x4 p! M9 a& W% r6 z) \(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure
+ X5 U: _0 K3 w# k; M7 ]2 K- sand the identified circuit conductor of one system is coloured by a white or grey covering, each identified
( X- x, V6 @, |circuit conductor of the other system, if present, shall be provided with a specific identification, and the7 \! v& K$ I/ W [$ o
identification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not V# p% m o6 q+ } m; g/ \
green) running along the insulation.: V4 f! x# Z8 o- Q
(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of
m% k" E9 J/ P+ ^6 k' I: b$ ean identified conductor; however, in the case of those flexible cords where the identified conductor is
; T6 G! R& @" g+ Widentified by a raised longitudinal ridge(s), the other conductors shall have no ridges., S! k. ~4 K) w. q: p @$ s
(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked* H& z% L9 X% @
as the identified conductor by painting or other suitable means at every point where the separate3 p4 X+ k" d7 G
conductors have been rendered accessible and visible by removal of the outer covering of the cable, and& e3 ]0 i% Y3 k+ A5 p! U1 E. \) u
the painting or other suitable means of marking the identified conductor shall not be permitted to render4 }3 h" e( c" T/ o, D8 c3 c, A/ U
illegible the manufacturer’s numbering of the conductor. |
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