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this is what code says:
" {# @7 K: Z+ i7 e# ?4-028: Identification of insulated neutral conductors up to and including No. 2 AWG
& |/ `1 g/ Q( {" |4 B7 m( Z+ Zcopper or aluminum
: ~# F) J* _( g" c9 g3 y(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including6 J% I' Y1 V3 n& b
No. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to$ O: T0 @' o( H0 X
such neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes
. T4 g0 v' A6 d3 H: i) g8 Halong the entire length of the conductor.. F0 ~& R6 n3 n9 @* [- m7 C
(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure; N* r8 x; B5 m3 \! ^
and the identified circuit conductor of one system is coloured by a white or grey covering, each identified& F, f. K w- b
circuit conductor of the other system, if present, shall be provided with a specific identification, and the" z$ i' c% b9 O
identification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not
1 c5 u: C6 D( v7 m/ h$ kgreen) running along the insulation., s- { i% c! E* N/ r
(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of# C c8 q ]& e% z) |
an identified conductor; however, in the case of those flexible cords where the identified conductor is
9 n* @' I. Z* @& v* J1 Xidentified by a raised longitudinal ridge(s), the other conductors shall have no ridges.: o: O8 {1 p% k& y+ Z
(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked) ^( M$ p6 w8 x9 `4 l$ k1 }" P$ M
as the identified conductor by painting or other suitable means at every point where the separate
* d. h# h+ r- Y4 ] h- x' `conductors have been rendered accessible and visible by removal of the outer covering of the cable, and( l+ S: f! p* O- W% g T0 n. g$ y
the painting or other suitable means of marking the identified conductor shall not be permitted to render
$ F4 g! y6 x5 eillegible the manufacturer’s numbering of the conductor. |
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