 鲜花( 0)  鸡蛋( 0)
|
this is what code says:
1 h2 A+ F3 @, O4-028: Identification of insulated neutral conductors up to and including No. 2 AWG6 m- h: t7 m- J6 w5 b& |
copper or aluminum; _9 o2 _/ w0 I. I0 m/ j- A
(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including* h5 }$ |/ ?9 |: n- T X' h
No. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to
3 S8 k3 ~0 a3 I; esuch neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes
3 ^5 V$ _; C% {' P t8 J. Ralong the entire length of the conductor.
. @: i9 [% H% i7 u( R) T5 P(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure
q) ], C" [2 Gand the identified circuit conductor of one system is coloured by a white or grey covering, each identified
; y& h( b! o, `% q( r; w$ K7 icircuit conductor of the other system, if present, shall be provided with a specific identification, and the
1 y2 [' x) R$ B3 G8 u% C7 y3 t* h6 zidentification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not K# U3 ?/ X# u6 t* e1 X+ b
green) running along the insulation.8 {+ t% W, E, ^% V( F# Y- `+ b) c
(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of1 {5 N2 c* }6 c' i
an identified conductor; however, in the case of those flexible cords where the identified conductor is5 k0 l- y2 b, H' p8 G, o1 { j
identified by a raised longitudinal ridge(s), the other conductors shall have no ridges.: q. G$ _8 N* I4 {1 g( E& }0 }/ a
(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked
' J" H" L; B; j! [7 X# zas the identified conductor by painting or other suitable means at every point where the separate
# E. a, b: e/ A! L% k* Fconductors have been rendered accessible and visible by removal of the outer covering of the cable, and
1 ^3 _& r" h9 ?6 _) Gthe painting or other suitable means of marking the identified conductor shall not be permitted to render
6 m$ v6 ]% r: d% d" q6 [illegible the manufacturer’s numbering of the conductor. |
|