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this is what code says:
1 @: \% t& I9 Y) K( P4-028: Identification of insulated neutral conductors up to and including No. 2 AWG
" A3 @& A$ U8 g- P" x, Bcopper or aluminum8 h5 N2 X5 m: [ E0 f6 Y4 G; C- ] ~
(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including
8 P5 C( u- k, W$ f' ]: ?No. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to
! T6 k/ |5 y) r# gsuch neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes% Z: x3 v5 N* X0 h w, Y
along the entire length of the conductor.
! i R' i0 u: b" f6 R0 |5 Q2 W(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure
% E! C8 P9 v' l6 i3 band the identified circuit conductor of one system is coloured by a white or grey covering, each identified
; }9 C" P, S0 j% _2 N7 m P" vcircuit conductor of the other system, if present, shall be provided with a specific identification, and the
' L, i5 `2 @; @( Z* p8 H% _ didentification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not( i" Z5 D0 F- z3 w7 B" s
green) running along the insulation.
) S. Z5 q* s6 T# x" |6 M(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of
. b/ l) u3 E- Q+ H2 Ran identified conductor; however, in the case of those flexible cords where the identified conductor is$ j- X0 D6 r+ N" f
identified by a raised longitudinal ridge(s), the other conductors shall have no ridges.( `) j* r" e: @- q
(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked
: J) Q3 n, _, b% H% ^: r6 Vas the identified conductor by painting or other suitable means at every point where the separate( Y: o+ y) y3 x, _) N
conductors have been rendered accessible and visible by removal of the outer covering of the cable, and
) D, d% K) v- e; xthe painting or other suitable means of marking the identified conductor shall not be permitted to render
, J+ a6 O& B5 o! I. R: Zillegible the manufacturer’s numbering of the conductor. |
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