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this is what code says:( H# m6 C9 T, J
4-028: Identification of insulated neutral conductors up to and including No. 2 AWG; n# g+ E- _9 e1 A, E1 b
copper or aluminum9 _1 H$ X% O$ P- s0 j- y' q
(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including! x$ V6 B- L' [+ B0 w1 Z
No. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to9 c* ?- M6 `6 \ ~
such neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes% n0 q( F; Y7 l* A: }4 w( R
along the entire length of the conductor.
, G/ y% `4 e# E7 Z, y(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure- [( v, h: f: R% L
and the identified circuit conductor of one system is coloured by a white or grey covering, each identified; d& D1 Y% d4 {# L
circuit conductor of the other system, if present, shall be provided with a specific identification, and the- E. j& M; L* e! ]
identification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not. L/ B& A. Y( h: ` _
green) running along the insulation.
' n- F7 M% W5 x8 b(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of; e# |3 t. z4 E. l" {$ {
an identified conductor; however, in the case of those flexible cords where the identified conductor is: {" Q$ {0 C7 W- N
identified by a raised longitudinal ridge(s), the other conductors shall have no ridges., G* B1 K, O5 P5 w5 t
(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked. `0 ~3 M& p8 V9 w
as the identified conductor by painting or other suitable means at every point where the separate
) ~+ S" d1 G( T5 gconductors have been rendered accessible and visible by removal of the outer covering of the cable, and
, d1 x p. `! uthe painting or other suitable means of marking the identified conductor shall not be permitted to render5 k7 H. c& n5 X' i$ K
illegible the manufacturer’s numbering of the conductor. |
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