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this is what code says:/ v0 M; K3 p+ V; G
4-028: Identification of insulated neutral conductors up to and including No. 2 AWG
; u, B* Y( h6 Z f8 `copper or aluminum* m5 I l( E) d: {# G: [7 Z3 p+ g
(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including
5 ^- a* D0 Y7 QNo. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to
4 B9 L2 }. s3 t9 C2 `such neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes$ b% i8 c o& l) B3 p4 v3 t8 z
along the entire length of the conductor.2 S6 a% |6 h3 t( C& ]+ F7 W
(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure
1 d! M1 h7 L! Z1 \5 k; M* uand the identified circuit conductor of one system is coloured by a white or grey covering, each identified+ E7 O2 p5 `! x l
circuit conductor of the other system, if present, shall be provided with a specific identification, and the
# }2 b. M5 P# N- Didentification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not
' r% l! _- y7 N+ J' _% v5 \green) running along the insulation.4 j3 y3 F2 M' _ E0 D' W2 B9 g d. N
(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of
4 N9 f& Z( P/ oan identified conductor; however, in the case of those flexible cords where the identified conductor is
; q2 ^6 s. O+ j& w3 Yidentified by a raised longitudinal ridge(s), the other conductors shall have no ridges.
0 l6 Z7 ], ?- y" ^( Z- d4 u, G/ t(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked3 _; s7 g" k. q3 [3 E+ B$ P
as the identified conductor by painting or other suitable means at every point where the separate
; n) |0 v4 s, `" j( h8 p( pconductors have been rendered accessible and visible by removal of the outer covering of the cable, and* @ {+ y$ ^, X/ v# J# P
the painting or other suitable means of marking the identified conductor shall not be permitted to render: a9 V; F I6 z- K) \2 S& m* f
illegible the manufacturer’s numbering of the conductor. |
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