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this is what code says:7 n; |0 s) }4 X/ O
4-028: Identification of insulated neutral conductors up to and including No. 2 AWG
" w n8 y! r/ _0 n; E' o% A1 H# Ccopper or aluminum
# o7 i6 s b+ D(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including p$ o2 {5 l3 P
No. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to" P0 l/ ?. b# F/ r" t
such neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes
: E5 E* G+ ]# [# x9 a5 K, b2 w0 dalong the entire length of the conductor.+ d% m5 V5 ^, D0 g. B! G" _
(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure
/ P q% ^/ [6 e1 O) nand the identified circuit conductor of one system is coloured by a white or grey covering, each identified
. i1 `" z# p8 X8 bcircuit conductor of the other system, if present, shall be provided with a specific identification, and the
7 C7 H6 Y4 G8 y; i0 ^8 ]! gidentification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not* Z" j9 n: u. g7 g
green) running along the insulation.
9 d' k' G3 G! Y. R* y% Z- t(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of% C; l. C. U9 t( Q2 T& v$ `
an identified conductor; however, in the case of those flexible cords where the identified conductor is- d1 r5 ~8 _, D/ _6 M$ ]8 k2 u2 L
identified by a raised longitudinal ridge(s), the other conductors shall have no ridges.
- H! g' A3 B4 H8 G4 G(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked$ h! r7 r g5 i
as the identified conductor by painting or other suitable means at every point where the separate
! ~, |4 @9 R5 E# Hconductors have been rendered accessible and visible by removal of the outer covering of the cable, and- m# t. L" ]& O$ D
the painting or other suitable means of marking the identified conductor shall not be permitted to render
4 }' E1 ^4 T, Billegible the manufacturer’s numbering of the conductor. |
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