Why Does Lights 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.

Should I worry if my lights flicker?

Flickering Lights are a frequent cause of concern. ... You probably don't need to worry about lights flickering and dimming in the house if: Your lightbulbs are incompatible with your dimmers. For instance, flickering LED lights when they're on a low setting can be annoying but they're not dangerous.