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Andrew Gabriel

In article ,
writes:
I recently bought an electric heater from argos. It is working ok but
when switched on/off at the wall socket sometimes a spark is seen
inside the socket. The house was re-wired a couple of years ago and is
all properly fused etc.

Is this normal behavior for an electric heater / does it indicate a
fault and should be replaced?

It's normal for a high power load, providing it's only whilst you
are moving the switch. If the plug or socket gets hot or has any
discolouration caused by having got hot, that needs invesigating.
If it's a 3kW heater, the plug fuse is expected to get warm though.

--
Andrew Gabriel
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