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this is what code says:; J* z; ]( b6 w) q
4-028: Identification of insulated neutral conductors up to and including No. 2 AWG
3 l& U) x9 t# i, @: E& w+ Ccopper or aluminum, b9 C; E, K$ i T$ G
(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including
8 R& I; s* Z! k3 a* r3 E- ^No. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to
. R- J( f- I: B3 M4 l: d" _such neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes
: i5 L: E& U. O- N$ kalong the entire length of the conductor.- h Y' Q& t, F2 n; o1 Y$ u
(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure
9 S1 q3 p+ Q, S- l$ R) T2 sand the identified circuit conductor of one system is coloured by a white or grey covering, each identified
2 i' Z( ~: c: u* w) ?6 Rcircuit conductor of the other system, if present, shall be provided with a specific identification, and the; V4 p5 ] M, M
identification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not
; k6 u: y2 C' T$ r$ ?% Igreen) running along the insulation.- E/ V* B( |) x. w9 z2 {9 C( [" e; P
(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of2 n4 G9 m6 s. _- j* U4 {, L0 |
an identified conductor; however, in the case of those flexible cords where the identified conductor is
0 J6 e- w2 H% x0 j. S$ Y5 eidentified by a raised longitudinal ridge(s), the other conductors shall have no ridges.% Y) M% G- ]$ b& N# h
(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked
1 ^- J! M# Z0 f* eas the identified conductor by painting or other suitable means at every point where the separate: i0 a3 G- u$ V3 H
conductors have been rendered accessible and visible by removal of the outer covering of the cable, and x) j, i& N/ F" [* k; Q2 E; C
the painting or other suitable means of marking the identified conductor shall not be permitted to render9 H( ^9 M! G' } A' F. @ t* L; l
illegible the manufacturer’s numbering of the conductor. |
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