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this is what code says:
5 x m8 T: w. |& a4-028: Identification of insulated neutral conductors up to and including No. 2 AWG
$ J, l% d' D$ y* @: vcopper or aluminum$ Q7 b2 }5 w& {9 j
(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including
, `6 Y3 D4 D* T! K+ O3 a& h5 }2 _No. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to8 o( [4 Q3 o3 k' ?- S/ A( [
such neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes+ V: w& s+ a9 q4 f# T. }' e
along the entire length of the conductor.1 X8 J+ A( X- M6 \
(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure
6 z5 g$ W4 F x0 b) o& wand the identified circuit conductor of one system is coloured by a white or grey covering, each identified" J! q8 l( E* O: Z; ^" h' j
circuit conductor of the other system, if present, shall be provided with a specific identification, and the I' R6 V+ b; [5 t: S4 m
identification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not3 s' |7 ~$ E3 p2 x3 o0 r+ [
green) running along the insulation.
: f; ?' _. g0 _& [(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of* [# C5 L2 N7 U- p4 P
an identified conductor; however, in the case of those flexible cords where the identified conductor is
! W% }( m* f! B. N* Hidentified by a raised longitudinal ridge(s), the other conductors shall have no ridges.- b) }% Q! R7 [' D
(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked
" A5 w$ `1 h1 w: K' Gas the identified conductor by painting or other suitable means at every point where the separate& |/ j5 B) w4 W& P
conductors have been rendered accessible and visible by removal of the outer covering of the cable, and8 g5 O: S# v# ]+ k
the painting or other suitable means of marking the identified conductor shall not be permitted to render7 W, R, {1 R5 L6 R. p. T
illegible the manufacturer’s numbering of the conductor. |
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