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.

How do I stop my lights from flickering?

Tighten loose bulbs

If your light bulbs are flickering, turn off the power and, using a glove to protect your hand from heat, screw the bulb in more tightly. If a light bulb is in too loosely the socket isn't making proper contact with the bulb, and that can cause intermittent flickering.

Why is my light flickering a lot?

Flickering or blinking lights are usually caused by one of four things: Problem with the bulb (not in tight enough, wrong bulb type for dimmer switch) Loose light plug. Faulty light or fixture switch.