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this is what code says:- @3 A" D5 Z* H4 e9 n
4-028: Identification of insulated neutral conductors up to and including No. 2 AWG
& I. [- T$ j. g9 `copper or aluminum+ _5 P* n( [6 K- p
(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including7 q1 m7 Y0 U( {8 e6 W8 F& G r
No. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to: K; P1 C. o c8 R. O8 L
such neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes, |4 F: M9 @! H! @
along the entire length of the conductor.
8 z, u1 N6 ^; M0 L( N P(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure$ H. h0 x& D k! W3 q
and the identified circuit conductor of one system is coloured by a white or grey covering, each identified
6 H* n7 v: I- h. d* b' mcircuit conductor of the other system, if present, shall be provided with a specific identification, and the: d# q- O0 A: Z6 o/ o
identification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not
% k9 @% g- t+ g8 C* k9 r/ E" Mgreen) running along the insulation.
$ b! p' Y: R9 J/ g. E(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of1 V- E; S1 b' b" N
an identified conductor; however, in the case of those flexible cords where the identified conductor is
& k5 o! R# x' x+ W0 c2 Sidentified by a raised longitudinal ridge(s), the other conductors shall have no ridges.# j! P) v- d) H0 v& p1 Q/ y( Z$ d
(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked
2 \/ Q. ]- A8 C) ras the identified conductor by painting or other suitable means at every point where the separate/ w7 D/ l! J2 h( }3 o8 D& O) G
conductors have been rendered accessible and visible by removal of the outer covering of the cable, and7 b% V3 l: }9 m) P/ X# Y7 a
the painting or other suitable means of marking the identified conductor shall not be permitted to render5 e C! ~8 J! G' Y) r( Q" C
illegible the manufacturer’s numbering of the conductor. |
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