Why Would a Light Flicker?

Flickering or blinking lights are usually caused by one of the following: Problem with the bulb (not in tight enough, lightbulbs are incompatible with your dimmers) ... Faulty switch or dimmer. Appliances or HVAC units pulling large amounts of current on startup, causing a voltage drop.

Why do my lights flicker for no reason?

Probable Cause: You have a bad bulb or the bulb is loose in its socket. It's an isolated problem, solved by switching out for a new bulb or simply screwing the bulb more tightly into its socket. Just remember to turn off the light before removing or adjusting the bulb to prevent burning or shocking yourself.

Can a flickering light cause a fire?

Minor changes in your home's voltage are normal, but flickering lights may indicate abnormal fluctuations. Abrupt changes in voltage from low to high can damage electronics and in rare cases cause an electrical fire.