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 […]