Please submit your wire colours for your given country. Please give Phase(Live)+ Neutral and Earth for Single Phase and wire colours for a three phase system. Maybe we can build up a list of colour codes world-wide, so that no Electrician will be confused. Go ahead people!.
Current code: (L1, L2, L3, N, GND): Black/Brown/Grey/Yellow-Green (Hope I don't mix up Brown and black order, fell free to correct me), until 01/01/02 (probably) L2 and L3 both black. Old work (pre 1970ies) Black, blue, pink, grey and red (no idea about phase order, just saw a cable once, never saw one installed, most 3ph work was ungrounded)
Re: International Wire Colour Codes#133826 10/06/0202:52 PM10/06/0202:52 PM
Per the NEC, unless other voltages are specified, for the purposes of computing branch-circuit and feeder loads, nominal system voltages that are used are:
120 volts: Hot legs any color, except that the grounded conductor is, white or gray, and the EGC green, or (when used for isolated EGC to reduce noise) green with yellow stripe
120/240 volts: Hot legs, any color, except the grounded conductor is required to be white, or gray, and the EGC green, or (used for isolated EGC to reduce noise) green with yellow stripe,
208Y/120 volts: Typical Black, Red, Blue, White,
240 volts:, Any color except white or gray or green, etc.
347 volts:, Any color except white or gray or green?
This voltage is used in Canada, does the CEC specify any colors?
480Y/277 volts: Brown, Orange, Yellow White or Gray,
480 volts: any color, except white, gray, green, or green with yellow stripe,
600Y/347 volts:, same as above
600 volts: any color, except white, gray, green, or green with yellow stripe, etc.
2002 NEC Index: Color code
Branch circuits, 210.4(D), 210.5
Conductors, 310.12, 504.80(C), 647.4(C)
Grounded conductor, 200.6
Grounding conductor, 250.119, 310.12(B), 400.23
Heating cables, 424.35
Higher voltage to ground
Sensitive electronic equipment, 647.4(C)
Service-entrance conductors, 230.56
PS: Green with yellow is often used for the EGC that is isolated, and the use of a conductor with 3 continuous white strips along the entire length is acceptable for identification of the grounded conductor.
[This message has been edited by Joe Tedesco (edited 10-09-2002).]
Joe Tedesco, NEC Consultant
Re: International Wire Colour Codes#133827 10/06/0203:12 PM10/06/0203:12 PM