Standard circuit breaker switches: These switches are commonly used for minor electrical repairs. Simply flipping one switch will turn off the power to a specific area of the home, making it safer ...

⚠️: Working on a live electrical circuit can cause serious injury or death. Go to the main electrical panel and flip off the circuit breaker that’s feeding power to the light switch.

The warm 15-amp circuit breaker shown below had a 15.6-amp hair dryer running for about 20 minutes, and it warmed up to about 17 degrees over ambient. It wasn't especially hot, but it was ...

Note: This rule applies only when the circuit breaker is used as the switch. If a general-use snap switch or contactor is used to control the lighting, this rule doesn't apply. UL 489, Standard for ...

Use this guide to find out what the switches on your breaker mean so you can take better control of your house. Related: How to Reset a Tripped Circuit Breaker What Is a Breaker Panel?

Standard circuit breaker switches: These switches are commonly used for minor electrical repairs. Simply flipping one switch will turn off the power to a specific area of the home, making it safer ...