Light Switch Not Working
Light switch stopped working? Learn common causes, safe DIY checks, and electrician costs ($100–$250). Safety tips included.
Typical repair cost: $100–$250 · DIY difficulty: Moderate · About 15–30 minutes.
What usually causes it
- Tripped circuit breaker
- Burned-out bulb
- Loose wire connection
- Faulty switch
- Wiring issue
What you need
- Voltage tester
- Screwdriver
- Replacement switch
How to fix it yourself
- Check if the light bulb is burned out — try a new bulb
- Check the circuit breaker panel for a tripped breaker
- If breaker is fine, turn OFF the breaker for that circuit
- Remove the switch plate and test for voltage with a tester
- If no voltage and breaker is on, the issue may be in wiring — call an electrician
- If switch is faulty, replace it (match the wiring type)
When to call a pro
Always hire a licensed electrician for wiring issues. If you're unsure about any electrical work, don't risk it.
Keep reading
What it costs
Before you call a pro
Common problems
- Electrical Outlet Not Working
- Circuit Breaker Keeps Tripping
- Lights Flickering in House
- Smoke Detector Keeps Beeping
Questions answered
- How do I find licensed electricians?
- What are common electrical problems in homes?
- How much does a electrician cost?
- How do I find a reliable electrician?