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this is what code says:/ t) W( z0 H& V2 C6 ?* A2 ?, I
4-028: Identification of insulated neutral conductors up to and including No. 2 AWG0 u8 k9 u' }- Q: q, U" s& b
copper or aluminum
) G; I2 V8 S/ K4 n(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including
, G. \+ f; S) w- MNo. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to2 s, H7 m4 m+ @7 R1 v
such neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes
! Z7 o% O8 G4 f! I% w* Y; I; |along the entire length of the conductor.
8 w' k% c2 s1 C0 t/ v& a(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure
1 ^1 p+ t6 G5 V' W* L7 mand the identified circuit conductor of one system is coloured by a white or grey covering, each identified) O7 Y8 j9 o0 Y2 X
circuit conductor of the other system, if present, shall be provided with a specific identification, and the6 C" l- Z# L( b' c- ?
identification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not
4 I/ I; p; K/ \; X' N8 |* d" Vgreen) running along the insulation.+ P& A+ M, U7 Q& b$ F" H& Q. u
(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of
; h. `& |! f: Fan identified conductor; however, in the case of those flexible cords where the identified conductor is
9 C @+ M) Y1 L; n" E6 z: Jidentified by a raised longitudinal ridge(s), the other conductors shall have no ridges.( D2 p& I9 a5 I, j
(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked0 H; z$ P4 D) L8 `: E' y
as the identified conductor by painting or other suitable means at every point where the separate' k) H5 w7 N/ Z6 y% {& Z$ _
conductors have been rendered accessible and visible by removal of the outer covering of the cable, and# D" K& C5 F. d& c; v0 Z& H
the painting or other suitable means of marking the identified conductor shall not be permitted to render
# U( W$ o+ i0 n- hillegible the manufacturer’s numbering of the conductor. |
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