The electrical panel is the main component of an electrical distribution system that divides electrical power to the branch circuits while providing protection devices for each circuit in a common enclosure. OR,
An electrical panel, sometimes called a breaker box or breaker panel, is a metal box that holds your home’s circuit breakers. Modern homes have circuits that control the power to portions of the house. When needed, circuit breakers “trip” and cut off power to a specific circuit as a safety measure.