ASK THE BUILDER | The problem can be traced in almost every instance to a non-compatible dimmer switch in the lighting circuit.

With flickering fluorescent bulbs, make sure the bulbs are seated properly. The contacts in the sockets can be temperamental, so make sure you rotate the bulbs enough so that the pins at the end of ...

Just quickly turn the bulb on and off to switch between the flickering flame mode, the gravity-sensitive mode for lamps that may not be upright, general light mode for a warm, candlelit glow, or ...

A “broken light switch was tripped” and the room went “completely black.” The teacher “asked if the students could be more careful,” but the light continued flickering, Lafayette said.