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this is what code says:2 u5 y r! s0 f/ B
4-028: Identification of insulated neutral conductors up to and including No. 2 AWG) {! \+ x3 [/ |' O. p" i5 t! |
copper or aluminum
3 @& ^( m7 L* x2 b. }8 N(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including
3 x" x# H, j; K% Z4 U1 p$ @No. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to' q5 L. {0 q2 d: R
such neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes
" j# J) l) s) ^+ n6 q1 \9 Jalong the entire length of the conductor.
' \2 d% ]9 F5 W$ A v3 d& V0 R(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure! G8 Q0 o) o, O+ ^3 D. o
and the identified circuit conductor of one system is coloured by a white or grey covering, each identified/ f& @6 H! |1 z! ]* r9 O
circuit conductor of the other system, if present, shall be provided with a specific identification, and the
: `' Z" { A% K/ pidentification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not6 u8 t# v# @& X4 j% l/ E
green) running along the insulation.
! C( E. B: g; ^5 r(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of( C U. A& r) d2 O
an identified conductor; however, in the case of those flexible cords where the identified conductor is/ m L& [, Q" ~! V
identified by a raised longitudinal ridge(s), the other conductors shall have no ridges.
5 O B. h& P' {9 \(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked6 r/ H- M: h5 U5 M
as the identified conductor by painting or other suitable means at every point where the separate
+ T( X) D, h5 M, B) Qconductors have been rendered accessible and visible by removal of the outer covering of the cable, and; P u" h$ Z' d7 V
the painting or other suitable means of marking the identified conductor shall not be permitted to render
& p8 O( s% K+ l( xillegible the manufacturer’s numbering of the conductor. |
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