What colour is neutral wire?

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The neutral wire is Blue

Answered by Rupert, 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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