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this is what code says:
: N/ x0 T; [9 U4-028: Identification of insulated neutral conductors up to and including No. 2 AWG
9 N) n- U* F) Q; M4 k* M, \copper or aluminum
" ]/ c% `, w' o(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including
" \: E2 J* \. t' E, a* I- _: wNo. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to; \& m% W# Z' j0 W0 y1 r: l
such neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes
, @4 Y5 k9 {9 P/ t6 Y0 u2 n9 ualong the entire length of the conductor.
' {. {6 K: l8 M7 S6 m" j4 ?(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure. X5 f7 O. Y7 q3 T) C- x ?
and the identified circuit conductor of one system is coloured by a white or grey covering, each identified
, r5 l/ d3 N2 {, i3 q0 _: ecircuit conductor of the other system, if present, shall be provided with a specific identification, and the
: N; L& O: F$ T4 q$ f) D, `0 nidentification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not
& q0 N5 N8 d0 j8 G- O# L! {green) running along the insulation.
6 g n7 w/ n- r2 y6 k1 d8 Z0 l: i0 \(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of
/ g2 T: M' q( [. T8 L: J4 Yan identified conductor; however, in the case of those flexible cords where the identified conductor is3 g3 O. u5 h3 w# ^3 f
identified by a raised longitudinal ridge(s), the other conductors shall have no ridges.
* P7 V8 D2 v. F- P) X, h- F% r, _(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked
1 o* d8 C: i( E4 qas the identified conductor by painting or other suitable means at every point where the separate! R% x) t& E T4 L% ?8 Z
conductors have been rendered accessible and visible by removal of the outer covering of the cable, and
* [% o1 D& m1 v3 p( b( Fthe painting or other suitable means of marking the identified conductor shall not be permitted to render: \( L6 m H; O0 ^1 l9 J
illegible the manufacturer’s numbering of the conductor. |
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