![]() Possibly the best "standard" that could be adopted is. I'm beginning the think a much better "standard" would be to use one colour throughout, and use cable idents from the schematics, which incidentally, never showed cable colours !! ![]() Now it's BROWN-HOT (A bit "earthy"), BLUE-NEUTRAL (because blue is a "vibrant" colour), and GREEN/YELLOW STRIPED for EARTH (isn't earth coloured brown, it is in my garden). Here in the UK, for domestic single-phase wiring, it used to be RED-HOT, BLACK-COLD, the "earth" connection is uncovered, but we used piping GREEN-GRASSY EARTH. ![]() I guess that's the biggest problem with "standards" - everyone wants theirs to be THE standard !! As far as I know, this is only within their distribution network, and once it reaches customer supply it is normal Red Black Blue White Green colours. Just to make things more fun, here in BC at least not sure about other provinces, the local supply authority (BC Hydro) uses Brown as L1, and forbids the use of black wires anywhere.
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