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this is what code says:- C, ^% B+ W, O& Y
4-028: Identification of insulated neutral conductors up to and including No. 2 AWG
2 J7 Y: @% t3 i9 p" _copper or aluminum
( Y& Q$ [/ _! S( F u+ f(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including
; n1 Y* G6 `% h) O+ [ c% vNo. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to
1 L& X& m' u, Y2 z# q3 Msuch neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes
( D* Q" U z3 j4 n! s( halong the entire length of the conductor.
* A- k/ @+ [6 S& ]8 @(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure
: e% v- ^; N) v* s/ x# I0 U1 s: cand the identified circuit conductor of one system is coloured by a white or grey covering, each identified" @* l# P! [5 M! Y. ~
circuit conductor of the other system, if present, shall be provided with a specific identification, and the
- }1 q1 o. i O' Midentification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not
^) s: F# U% l2 d8 y; j9 t* Qgreen) running along the insulation.
# v& v. L# g, g0 h. A1 I0 U(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of' R4 {: s8 ]5 W" M) q* t
an identified conductor; however, in the case of those flexible cords where the identified conductor is
6 X3 D+ k7 j3 t8 a% N" ?6 Nidentified by a raised longitudinal ridge(s), the other conductors shall have no ridges.
! Y: s3 \. a4 H% h4 w(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked6 {2 A0 Y$ C6 e8 [4 w
as the identified conductor by painting or other suitable means at every point where the separate
: L H+ x3 ^# Y. w* fconductors have been rendered accessible and visible by removal of the outer covering of the cable, and
5 e7 x! s3 L( K* N) w2 Zthe painting or other suitable means of marking the identified conductor shall not be permitted to render
6 C- n _; x# T! Oillegible the manufacturer’s numbering of the conductor. |
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