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this is what code says:6 S6 r; G- L5 e6 P
4-028: Identification of insulated neutral conductors up to and including No. 2 AWG
9 R* L( k* G* T/ lcopper or aluminum
7 F; X! A- R* \(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including$ \; g" w& |/ `9 ?# o2 |9 G
No. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to9 m& q* L$ ?) |" {+ Y% j9 {
such neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes
& w% W! M, ?3 {* c0 O T0 E2 R) {along the entire length of the conductor.
V. I! X8 _# }: W3 @. ^7 P(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure
- I" ?2 \0 `* g1 y+ iand the identified circuit conductor of one system is coloured by a white or grey covering, each identified. o4 a7 R2 I N e
circuit conductor of the other system, if present, shall be provided with a specific identification, and the9 q$ }/ ^/ }) ^: t; Q2 \
identification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not
$ {" I8 C k/ n; K7 ^8 \4 igreen) running along the insulation.- ]. H0 ^1 M2 r" t3 Z$ X
(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of
/ x" t, _0 \# J) e5 ]an identified conductor; however, in the case of those flexible cords where the identified conductor is. E% R) M$ O0 l8 R5 V
identified by a raised longitudinal ridge(s), the other conductors shall have no ridges.
, P& M8 r/ a2 d3 x! b4 X' d(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked
7 }7 x' z! r" ]8 g5 G' A# J% v$ vas the identified conductor by painting or other suitable means at every point where the separate
- q# O% g! K3 Z5 F( U, V- n+ g6 Yconductors have been rendered accessible and visible by removal of the outer covering of the cable, and
) {* L5 m7 [5 e. ]1 {$ Mthe painting or other suitable means of marking the identified conductor shall not be permitted to render7 J7 Q! U+ U5 c/ I
illegible the manufacturer’s numbering of the conductor. |
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