Finding a Tripped Circuit Breaker—Manually or with a Tool

Diagram of an electrical panel, including color-coded branch circuit breakers and a main breaker handle.

Expert advice on how to find a circuit breaker that keeps tripping, either by manual testing for the tripped breaker or by using a circuit breaker finder tool  In This Article: What Is a Circuit Breaker? Manually Checking Circuit Breakers Circuit Breaker Finder Tools: A Modern Solution Labeling the Circuit Breaker Panel In Conclusion Picture […]

Your Circuit Breaker Box is Full — Now What?

Black tandem single pole 20-amp circuit breaker.

What is an easy way to add more circuit breakers to an electrical panel that’s already full? We’ll show you. In This Article: Tandem Circuit Breakers Adding a New Circuit The National Electrical Code, although sometimes a little fussy, is the reference book for all sorts of electrical specifications in a typical house. Among its […]

The Main Electrical Panel & Subpanels

Diagram of a house’s electrical panel, including color-coded connections to various subpanels and circuit breakers.

In This Article: Your Home Electrical Service Main Electrical Panel Circuit Breakers and Fuses Subpanels and Branch Circuits Outdoor Circuits A guide to how your home receives and distributes electrical current to lights, receptacles, and appliances.  Have you ever wondered how electricity is delivered to—and routed through—your house? Understanding how a home’s electrical system works […]

Home Electrical Systems

Home Electrical System

In This Article: Buying Guides How An Electrical System Works Repair & Care of an Electrical System Installing Electrical Components A Short Glossary of Electrical Terms If your home has ever lost electrical power during a storm or other type of electrical outage, you’re probably well aware of how dependent we’ve become on electrical power. […]