I have a double black wire and a single black wire. Is the double live or neutral?

Left double quote

Although a black wire should be neutral, it sounds like this is out-of-date wiring

Answered by Dave, Electrical Safety Expert

Although a black wire should be neutral, it sounds like this is out-of-date wiring. The best thing to do is get a registered electrician to check it out and advise you on whether it is safe. You can find one local to you here.

 

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