Main information
What it could mean
Several lights flickering at once, especially alongside other appliances being used, can indicate a one-off overload or a faulty connection in the shared circuit.
Safety first
Note if the flickering coincides with switching on a specific appliance; helps locate the cause.
Next step
If the flickering affects the whole home, the main switchboard is worth checking; if it's just one area, the problem's in that specific circuit.
Frequently asked questions
Is flickering across several lights more serious than in just one?
Can indicate a more general circuit or switchboard issue, worth checking carefully.
Could it be a supplier issue?
Possible; you can compare whether it also affects neighbours in the building.
Does it coincide with using a high-power appliance?
If so, it could be a voltage dip when that appliance starts up.
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