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this is what code says:+ F" D) H) k; `. d$ d |; `
4-028: Identification of insulated neutral conductors up to and including No. 2 AWG% T% X6 X* Z/ r7 t1 L# O. G7 \6 i
copper or aluminum
' W: b4 j( |% ~' ?" \. Z% _(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including0 R# m C! O9 v7 ^# \0 J
No. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to
, I" N* |: g; U% asuch neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes1 ~) E/ W3 b" Z; h) `- p% J
along the entire length of the conductor.
# U2 B) D2 x, J- W4 @(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure
5 p8 U6 M) H0 vand the identified circuit conductor of one system is coloured by a white or grey covering, each identified9 x2 b4 n0 r6 b+ H) U0 u
circuit conductor of the other system, if present, shall be provided with a specific identification, and the$ ]) ]7 n0 K' D; l- \; p
identification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not
! P0 H" |3 C* D% U' q& G% l6 n: Rgreen) running along the insulation.
% ?: v- | F7 j& e6 e. @(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of: }% z0 M5 n/ J/ k& k
an identified conductor; however, in the case of those flexible cords where the identified conductor is
5 b6 A( X; T* M1 C4 uidentified by a raised longitudinal ridge(s), the other conductors shall have no ridges.
% j9 V) |" [, j, g3 Q(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked
9 L7 s4 ]- e, {as the identified conductor by painting or other suitable means at every point where the separate
9 A1 q5 n$ k9 |( cconductors have been rendered accessible and visible by removal of the outer covering of the cable, and! \# J+ ?5 y$ z- ], H j7 F
the painting or other suitable means of marking the identified conductor shall not be permitted to render
: g: L- d4 p, yillegible the manufacturer’s numbering of the conductor. |
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