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this is what code says:6 x" H8 o( a# h* M0 m+ x4 n
4-028: Identification of insulated neutral conductors up to and including No. 2 AWG( i# M5 j+ b& v Z2 Q2 u0 [0 c
copper or aluminum
9 ]2 q5 Q9 k5 o" }0 i9 [(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including
4 Y$ m$ L$ ~; W/ F: d- |# {No. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to7 c7 L; D5 d* y7 t# O; r: s
such neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes
0 ?9 S3 P! T: L# U9 f9 dalong the entire length of the conductor.& {6 w5 L( S: l; w7 }7 _
(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure' _& t- D2 I, o/ _1 V v
and the identified circuit conductor of one system is coloured by a white or grey covering, each identified" g" m9 U/ L! E0 x; b' a' H7 v
circuit conductor of the other system, if present, shall be provided with a specific identification, and the3 O* V) r8 q. P, W9 n
identification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not! q: |& w8 T( | S
green) running along the insulation.7 @- f6 F8 i. ]" }/ u' J5 S
(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of4 ]. |6 y0 y$ }
an identified conductor; however, in the case of those flexible cords where the identified conductor is4 u+ |9 J* U: Z& r3 B
identified by a raised longitudinal ridge(s), the other conductors shall have no ridges.
/ \* g5 F" e' R- B. s6 @(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked
- K/ l- M& E" C9 C, h/ U' v8 vas the identified conductor by painting or other suitable means at every point where the separate
/ a5 f& \$ k9 w( z0 r3 a" A) nconductors have been rendered accessible and visible by removal of the outer covering of the cable, and- k; `5 v7 K4 `! K. ]( V# |
the painting or other suitable means of marking the identified conductor shall not be permitted to render0 G( Z: _- C9 g! {
illegible the manufacturer’s numbering of the conductor. |
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