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| this is what code says: # G: r4 O) X- H- B. o+ G, }+ y) I4-028: Identification of insulated neutral conductors up to and including No. 2 AWG
 9 t1 q0 {' L8 H8 `1 c, f' Acopper or aluminum" k5 ~, C  [7 ^% L2 b" Q9 U5 N/ U
 (1) Except as permitted in Subrules (2), (3), and (4), all insulated neutral conductors up to and including
 # r0 i8 q: W9 G# L6 x: aNo. 2 AWG copper or aluminum, and the conductors of flexible cords that are permanently connected to
 " M4 V0 Y9 N& G4 h8 Q: q! ]% j  csuch neutral conductors, shall be identified by a white or grey covering or by three continuous white stripes  ^; M( o% r  C8 \1 Y( }. j
 along the entire length of the conductor.
 & D- b; U4 Z" s& g: R7 M(2) Where conductors of different systems are installed in the same raceway, box, or other type of enclosure
 4 M3 L( U' X, q6 @  t4 y1 uand the identified circuit conductor of one system is coloured by a white or grey covering, each identified
 8 u0 y3 F$ V2 Q1 K/ scircuit conductor of the other system, if present, shall be provided with a specific identification, and the& ^* |9 G" t' L! N7 L
 identification shall be permitted to be an outer covering of white with an identifiable coloured stripe (not2 Q! ?. j0 E7 ?7 C6 j% x$ F  u3 F
 green) running along the insulation.
 % |) n7 I* U2 v" o(3) The covering of the other conductor or conductors shall show a continuous colour contrasting that of; D4 {9 C( ?6 {9 u. A
 an identified conductor; however, in the case of those flexible cords where the identified conductor is
 x$ T( u4 j! ?5 Z: e* O' zidentified by a raised longitudinal ridge(s), the other conductors shall have no ridges.7 v- E6 m' k4 f1 x9 P+ R
 (4) For multi-conductor cable, the insulated neutral conductor shall be permitted to be permanently marked# E! e+ D6 |& a+ q/ F9 t
 as the identified conductor by painting or other suitable means at every point where the separate
 4 ?& S9 a% d; |* |  B: jconductors have been rendered accessible and visible by removal of the outer covering of the cable, and
 . N8 }% b3 M5 O/ Bthe painting or other suitable means of marking the identified conductor shall not be permitted to render+ e! Q1 G* I( N, d0 \
 illegible the manufacturer’s numbering of the conductor.
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