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this is what code says:1 e' b6 I0 q1 g6 M- u
4-028: Identification of insulated neutral conductors up to and including No. 2 AWG
5 Z# J( G/ [) R$ B3 e# Pcopper or aluminum
' l% l+ j* n# v& H# D9 S/ x4 r(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including& r, L" R! d( |$ E
No. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to9 A2 _3 o% A$ |2 b- d4 `: ?
such neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes+ h( I2 P% i+ y) g
along the entire length of the conductor.
; z, g9 {4 u1 L: ](2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure
) N- N U- R _) C$ fand the identified circuit conductor of one system is coloured by a white or grey covering, each identified1 L' ?9 ] i2 o" o
circuit conductor of the other system, if present, shall be provided with a specific identification, and the# i8 ^5 N+ T) F" M0 S4 C% |6 x
identification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not. w- k/ ^ J: u+ d7 ]" \
green) running along the insulation.3 ^8 E* O0 B) n3 E q
(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of
) N* c- v$ p) d/ dan identified conductor; however, in the case of those flexible cords where the identified conductor is
. ] s/ Q) z+ B. B' z. Videntified by a raised longitudinal ridge(s), the other conductors shall have no ridges.
% A# f" Y9 i5 A, `8 G4 J$ T(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked
( H( o1 G% S/ l% Pas the identified conductor by painting or other suitable means at every point where the separate
3 D! @# A# u1 Q$ O. Fconductors have been rendered accessible and visible by removal of the outer covering of the cable, and
6 [% f2 O' R+ vthe painting or other suitable means of marking the identified conductor shall not be permitted to render
6 h, v5 z6 u# `illegible the manufacturer’s numbering of the conductor. |
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