What causes a light switch to stop working but light stays on?
A light that stays on when you flip the switch usually means the switch failed closed or the circuit is miswired. Other causes include a stuck dimmer or smart switch relay, backfed power from another circuit, or a shorted switch leg. Turn off the breaker and call a pro. Doc Dancer troubleshoots wiring, replaces faulty switches, and restores safe operation in Fort Wayne and nearby communities, with 24/7 emergency service.
- Turn off the correct breaker; confirm the light goes out.
- Note if it’s a dimmer or smart switch.
- Do not open the box; wait for a technician.
Need help in Woodburn, IN? Call (260) 217-0311 or book online.
Sources
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