I have an MCB on a circuit for one socket which stays on with nothing plugged in but trips after a short while when something is plugged in... What could cause this?
Wiring fault somewhere. It's ok with zero current but not with current flowing. Dodgy joint getting hot I'd guess at.
Ok thanks, makes sense. It’s on a switchfuse too so that’s more points of failure to check.
@Backstop started
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I have an MCB on a circuit for one socket which stays on with nothing plugged in but trips after a short while when something is plugged in... What could cause this?