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this is what code says:
2 M: S6 H8 X. x4-028: Identification of insulated neutral conductors up to and including No. 2 AWG- k- S- l+ v. u
copper or aluminum5 O% q0 i, ?3 | w" e7 k
(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including7 `# K& e8 \/ l( _' v$ _/ r
No. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to5 P: j/ @7 Y( M& B. D( E) `& S. i
such neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes
* Z7 W' K: ?( Galong the entire length of the conductor." s/ b8 p* W6 L
(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure
- S( X1 p- N: J( f8 C3 Dand the identified circuit conductor of one system is coloured by a white or grey covering, each identified* W p3 D" ~. a) t( {! w
circuit conductor of the other system, if present, shall be provided with a specific identification, and the
8 u( E+ N% z, m* L" eidentification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not
) P9 s. T- i; q/ Q' xgreen) running along the insulation.0 ]9 ?2 c/ ]7 R0 C; Q
(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of H$ A$ m. F1 r- m1 C* o) q0 P) \
an identified conductor; however, in the case of those flexible cords where the identified conductor is
& H/ _9 M8 S! e/ oidentified by a raised longitudinal ridge(s), the other conductors shall have no ridges.
! E5 r3 i) O& I+ \( d(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked$ r: m0 U5 j/ w" E3 f2 I! _
as the identified conductor by painting or other suitable means at every point where the separate9 w' U; u" d$ S! Y! E* O- p
conductors have been rendered accessible and visible by removal of the outer covering of the cable, and$ G# W. K2 P' b; [: C( v
the painting or other suitable means of marking the identified conductor shall not be permitted to render
8 H7 Z# o8 j) ]* p8 Billegible the manufacturer’s numbering of the conductor. |
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