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this is what code says:, f0 H; \3 t' f7 m* m
4-028: Identification of insulated neutral conductors up to and including No. 2 AWG, d; r/ d- ^! F
copper or aluminum
" e; C/ w$ v7 K( ?6 U4 \4 I(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including- J4 E* G$ H3 l& u" g
No. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to3 O- J8 _1 A8 f. c, O: e, U
such neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes
! _( O, ^3 m3 J* y( o. a1 kalong the entire length of the conductor.
* j* M8 d. t- f% w) s(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure. g( r/ W+ H& g$ p. ?
and the identified circuit conductor of one system is coloured by a white or grey covering, each identified) ~/ J* t7 F3 v4 R5 R& @
circuit conductor of the other system, if present, shall be provided with a specific identification, and the% e0 E$ ?4 D; X
identification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not. J- X; X) B) I9 A0 X- @/ u
green) running along the insulation.
7 z0 E) y, s6 n. f. x, R(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of
9 o# s O8 L6 L9 gan identified conductor; however, in the case of those flexible cords where the identified conductor is
+ U6 v) y3 ?6 R5 v" W! W/ i3 W5 Oidentified by a raised longitudinal ridge(s), the other conductors shall have no ridges.
& L! b2 P# M: q1 Q& i5 x' |' \. ~(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked
4 y8 S0 t* h' D6 a4 ^: r; oas the identified conductor by painting or other suitable means at every point where the separate
4 K8 A) Y0 D( C$ E, n4 gconductors have been rendered accessible and visible by removal of the outer covering of the cable, and
) ~" Z: C2 r* @) A9 Z6 ythe painting or other suitable means of marking the identified conductor shall not be permitted to render0 N# ?3 F7 m4 e, }# a
illegible the manufacturer’s numbering of the conductor. |
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