You can use whatever you want. I prefer to use brown for everything because I make most of my jumpers and have 2 1000' spools of solid #22 tinned wire with brown insulation.I have multiple colors of tht pins on hand. Is there any general color code convention for power(+/-), digital signal, analog signal, etc?
That's for the USA.Residential/Commercial 120V single phase uses BLK for hot, WHT for neutral, and GRN for ground. For 240V it is BLK and BLK (no neutral) and again GRN for ground.
I think that is what the new NEC is proposing... Just briefly looked at it. After nearly a hundred years of common practice and NOW they want to change it? What a mess...That's for the USA.
In Europe, Live (hot, 240V) is brown, Neutral is blue and Ground is green with a yellow stripe.
Worse yet, the reason for it, wich seems to be that somebody is calling the black and white scheme racist. At least that is what I heard was the motivation for the change. Never mind that in the RETMA color code black is zero and white is nine.I think that is what the new NEC is proposing... Just briefly looked at it. After nearly a hundred years of common practice and NOW they want to change it? What a mess...
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