Main information
What it could mean
Sparks when plugging or unplugging an appliance can come from a worn fitting, a loose connection, or in some cases be normal with certain high-power appliances.
Safety first
If the sparks are frequent or go beyond a one-off, stop using that socket until it's checked.
Next step
It's worth distinguishing between a one-off spark from a high-power appliance and repeated or growing sparks, which do need checking.
Frequently asked questions
Is a small spark normal when plugging in a high-power appliance?
It can happen occasionally with very high-power appliances; if it repeats with normal ones, that's not expected.
What should I do if I see large or frequent sparks?
Stop using that socket and get it checked before using it again.
Could it damage the appliance I'm plugging in?
It's possible if the sparks are intense or repeated; worth checking both the socket and the appliance.
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