Buzzing Dimmer or Humming Lights
⚠️ Before touching anything: turn off power at the breaker and verify with a tester. If you smell burning or see scorch marks, skip the quiz — shut it off and call a licensed electrician.
Step 1
Where's the buzz coming from — the bulbs, the dimmer switch, or the breaker panel?
This troubleshooter gives general guidance, not a diagnosis of your specific installation. Codes vary by location. When in doubt, hire a licensed electrician.