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this is what code says:% T; g1 c$ O0 K2 E
4-028: Identification of insulated neutral conductors up to and including No. 2 AWG
/ y! i( x3 m! @4 Vcopper or aluminum
8 ~" E6 P$ c% Z7 K# r(1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including
X% g( ]$ r3 k) {' fNo. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to
" k* F6 q& @) {. U3 N: Vsuch neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes1 }3 K% T3 a: v) M
along the entire length of the conductor.
& s6 b' @$ n' P% K, ](2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure
3 I7 c Z* T. V7 F. c: j, v1 \6 Dand the identified circuit conductor of one system is coloured by a white or grey covering, each identified
3 ^! \( a5 ` V' M* Dcircuit conductor of the other system, if present, shall be provided with a specific identification, and the
/ w. w: Z7 x) o, sidentification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not
! _ q8 x+ m' q( zgreen) running along the insulation./ U2 b) z: M! |: C t. g
(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of5 z( L! N9 j4 K2 q
an identified conductor; however, in the case of those flexible cords where the identified conductor is: N9 p, ]& S! N: ]3 q/ ^
identified by a raised longitudinal ridge(s), the other conductors shall have no ridges.
0 o( _# J/ r8 M7 Z# f(4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked
" T: p( j7 x& `9 Fas the identified conductor by painting or other suitable means at every point where the separate
. C% N, M) h _4 I' v4 fconductors have been rendered accessible and visible by removal of the outer covering of the cable, and+ c( {5 O6 D, l' ?
the painting or other suitable means of marking the identified conductor shall not be permitted to render
' d6 y) q t/ S% u4 hillegible the manufacturer’s numbering of the conductor. |
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