What to do right now
- Let the bulb cool fully, then check that it is the type and wattage listed on the fixture's label.
- Make sure the bulb is threaded in firmly but not forced.
- For enclosed or recessed fixtures, check that the bulb package says it is rated for enclosed use.
- Turn off and stop using any fixture with a scorched socket, melted parts or a burning smell.
Common causes
Heat buildup
Enclosed globes and some recessed cans trap heat. Both incandescent and LED bulbs fail faster when they run hot, and many LEDs are not rated for enclosed fixtures.
Wrong wattage or bulb type
A bulb above the fixture's wattage rating overheats the socket and wiring. Some LEDs also do not work well on dimmers or timers.
Vibration
Ceiling fans, garage door openers and fixtures under a busy upstairs floor shake bulbs. Filaments and LED solder joints wear out faster.
Worn or damaged socket
A socket whose center tab is flattened or corroded makes a poor connection that arcs and heats up.
Loose wiring or high voltage
A loose connection at the fixture, or voltage running higher than normal at the service, can shorten bulb life throughout the home.
Signs it's more serious
- The socket or the base of the bulb shows browning or scorch marks.
- Bulbs flicker before they fail.
- The fixture feels very hot or the ceiling around it is discolored.
- Bulbs are failing early in several different rooms.
- Electronics or other devices have also been failing more than usual.
When to stop and call. Stop using the fixture and call an electrician if you see scorching, melted plastic, discolored ceiling paint around it, or smell hot plastic. If you see smoke or flame, leave the house and call 911. Bulbs failing across the whole house along with other odd behavior, like flickering or dead electronics, also calls for a prompt check.
Safe things you can check or note
- Keep track of which fixtures eat bulbs and what kind of bulbs they use.
- Look at the fixture label for the maximum wattage and any bulb restrictions.
- Notice whether the fixture is on a dimmer, a motion sensor or a timer.
- Check whether the problem started after new bulbs, a new dimmer or other electrical work.
Leave covers, boxes and the panel closed. Noting what you see is enough; testing and repairs belong to an electrician.
What an electrician typically checks
An electrician checks the socket, the fixture's internal wiring and the connections in the ceiling box, and measures voltage to rule out a service problem. If the fixture is damaged or poorly suited to the space, replacing the light fixture is often simpler than chasing repairs.
For recessed lighting that runs hot or cycles off, they may recommend newer IC-rated or integrated LED housings through recessed lighting installation. When bulbs die early across the whole house, the job becomes troubleshooting at the service level.
Preventing it from coming back
Match bulbs to fixture labels, choose LEDs rated for enclosed or damp locations where needed, and use dimmable bulbs only with compatible dimmers. Ceiling fans with light kits last longer when the fan is balanced so it does not wobble. Porch fixtures in Middle Tennessee face humid summers, so check that outdoor bulbs are rated for wet or damp use.