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What colour wire is live and neutral?

The UK wiring or electricity supply has three types of wires which are earth, neutral and live. The live wire is usually brown, the neutral wire is blue and the earth wire is yellow and green striped. In USA, neutral wire is white while live is black.
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Black in a black/red/green set, or blue in a blue/brown/green set. The hot is red or brown and the earth is green (note: I'm in New Zealand and assuming that the colors are the same)  wiki.answers.com
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