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this is what code says:
I2 s/ p: x: R. j; o! Y" k4-028: Identification of insulated neutral conductors up to and including No. 2 AWG
3 r# u# s- Z3 \& ocopper or aluminum
% k! O* M% p3 {. x(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including
& J7 S. p* y0 X* |& B7 l6 wNo. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to
0 q/ j- d9 W6 c$ nsuch neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes: h$ w# u' p* o' J+ h: ?! n5 c
along the entire length of the conductor.1 z0 T. ~1 c W
(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure
1 t4 z; C7 w9 } I" X* cand the identified circuit conductor of one system is coloured by a white or grey covering, each identified
$ c* m1 N, i, z6 ~4 \. k% G Hcircuit conductor of the other system, if present, shall be provided with a specific identification, and the
) ?- f; A5 a" ], lidentification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not7 }2 f" p9 R4 n
green) running along the insulation.
" N- U4 G- { J$ u(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of: Y& A6 A. ~/ e t9 Q
an identified conductor; however, in the case of those flexible cords where the identified conductor is
* f" y" @- T% t* x! y& Tidentified by a raised longitudinal ridge(s), the other conductors shall have no ridges.
' x" D+ t0 X: ]; K(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked; k3 h3 p, r, [& m9 m, @
as the identified conductor by painting or other suitable means at every point where the separate G4 G7 J9 i6 Z
conductors have been rendered accessible and visible by removal of the outer covering of the cable, and% z" a- Z5 D: p; k
the painting or other suitable means of marking the identified conductor shall not be permitted to render
! Y9 @% a Y# ?illegible the manufacturer’s numbering of the conductor. |
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