What colour is live wire?

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The live wire is Brown

Answered by Farrah, Electrical Safety Expert

Wires in UK plugs are coloured as follows:


Live: Brown

Neutral: Blue

Earth: Yellow and Green


This replaces the old colours of red (live) and black (neutral) and green (earth) which changed back in 2006. If your plug has these colour wires, we recommend that you replace it.

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