 鲜花( 0)  鸡蛋( 0)
|
this is what code says:
. @3 L( h# r- `9 b4-028: Identification of insulated neutral conductors up to and including No. 2 AWG/ A% e; s2 S V |9 n f
copper or aluminum* k K; v; |0 H7 O2 l q
(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including2 r( E( u1 N/ C0 O! g9 E8 U
No. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to, n1 T6 p3 s- F6 ~
such neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes
6 h, p8 b$ ^$ Z& h4 t _. ^along the entire length of the conductor.! j1 c- [: X& v( u8 q1 K: D- [
(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure
4 S4 |' u: h0 w0 m' c) x) Uand the identified circuit conductor of one system is coloured by a white or grey covering, each identified+ |- u, Y( X! ^. I1 z
circuit conductor of the other system, if present, shall be provided with a specific identification, and the: c* n0 a4 k4 |* r" z& I
identification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not
. Z" _0 C* }" R+ |# Kgreen) running along the insulation.5 x k+ J) ]" l& |
(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of& w7 @* V( d" `0 o7 ]$ U9 C
an identified conductor; however, in the case of those flexible cords where the identified conductor is
7 {8 m( U O. midentified by a raised longitudinal ridge(s), the other conductors shall have no ridges.3 j4 f: M$ \/ R$ t% @) h
(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked
2 a% L5 { Y$ ~5 c0 R: oas the identified conductor by painting or other suitable means at every point where the separate
6 V* v6 ^* I/ C9 B: w! @conductors have been rendered accessible and visible by removal of the outer covering of the cable, and, ~8 c$ I6 ?/ E c+ Z0 e# |1 b
the painting or other suitable means of marking the identified conductor shall not be permitted to render( a4 e. D. _5 [5 C
illegible the manufacturer’s numbering of the conductor. |
|