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Sparks coming from the receptacle
Burning smells
Scorch marks or discoloration
A loose receptacle
Cracks or broken plastic
Buzzing or sizzling sounds
Plugs that fall out easily
An outlet that feels unusually hot
Repeatedly tripping breakers
Signs of water damage
Those are much more meaningful indicators of a potential electrical problem.
And please don’t remove the outlet cover just to investigate unless you know exactly what you’re doing. Turning off a switch doesn’t necessarily mean the receptacle is de-energized.
Why Do Electricians Have Different Opinions About Outlet
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