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this is what code says:
, k1 A: K( y) y) t1 k2 ~4-028: Identification of insulated neutral conductors up to and including No. 2 AWG( B E% i% ~, V1 o
copper or aluminum
9 Q" a4 p7 S; L: a(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including* j7 F5 v6 W7 N- q" y3 Q
No. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to
2 n( F2 x8 r' {, {such neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes# X( w" f( V* F) h
along the entire length of the conductor.. D: J- }: E! i
(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure. f: N4 Y# A4 O
and the identified circuit conductor of one system is coloured by a white or grey covering, each identified
6 I; k4 h# t9 Q, Hcircuit conductor of the other system, if present, shall be provided with a specific identification, and the
" y0 h5 p: J5 N+ l% ]* c% hidentification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not8 N, F$ W6 ]' a; q$ t! E
green) running along the insulation.9 X$ V: S1 h" i
(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of1 U J7 M3 j% k! F+ ~) A
an identified conductor; however, in the case of those flexible cords where the identified conductor is
0 x5 k' r5 m8 P/ X, nidentified by a raised longitudinal ridge(s), the other conductors shall have no ridges.
' y$ `) I7 P$ F7 u7 ?(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked
- `2 C$ X5 V8 d: L. Q" S' U) Las the identified conductor by painting or other suitable means at every point where the separate1 j. I1 c5 ~, ]# K
conductors have been rendered accessible and visible by removal of the outer covering of the cable, and5 P; w, d0 L; n8 U* w3 _- F" f
the painting or other suitable means of marking the identified conductor shall not be permitted to render g1 U& w+ G% N* L- f) f
illegible the manufacturer’s numbering of the conductor. |
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