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this is what code says:9 }: U X7 U, e/ B/ U/ a
4-028: Identification of insulated neutral conductors up to and including No. 2 AWG! E, [- n: U, P3 E2 [
copper or aluminum
) h+ c# D" w- f% N0 N(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including
" b" b4 X; t8 l! i+ @2 dNo. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to2 N* q; l y0 Z A
such neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes
' `6 f0 c# m9 ~& yalong the entire length of the conductor.! |; {8 W: l9 c _
(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure# u" \# Z" w2 ~- D& l
and the identified circuit conductor of one system is coloured by a white or grey covering, each identified! A$ y) l- i8 J! s" G; F
circuit conductor of the other system, if present, shall be provided with a specific identification, and the2 H3 k, {" I4 _+ C Z+ R# Q
identification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not
5 K1 G7 q/ J$ U8 Kgreen) running along the insulation.
. g2 Y& A2 p3 R3 u; o! I(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of
0 x! M# m8 h: h, m, s f# d" Nan identified conductor; however, in the case of those flexible cords where the identified conductor is
1 N1 D6 R0 g& A. s! _' qidentified by a raised longitudinal ridge(s), the other conductors shall have no ridges.
1 @1 O# K V" U" ]6 S9 {% C(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked
4 z2 k" w- y0 N o/ Xas the identified conductor by painting or other suitable means at every point where the separate
9 {! n: q! }6 v7 Q7 bconductors have been rendered accessible and visible by removal of the outer covering of the cable, and+ k. y0 T. C) T! m0 C9 \
the painting or other suitable means of marking the identified conductor shall not be permitted to render
& U4 n9 L4 A1 [0 w: Millegible the manufacturer’s numbering of the conductor. |
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