The main switch, or main breaker, controls the entire electrical supply to the distribution box. But what exactly is a power distribution box, and why is it so essential in our daily lives? The DB panel board controls the flow of electricity. It receives a single, high-amperage power feed and divides it into multiple. A distribution board (also known as panelboard, circuit breaker panel, breaker panel, circuit breaker, electric panel, fuse box or DB box) is a component of an electricity supply system that divides an electrical power feed into subsidiary circuits while providing a protective fuse or circuit. The power distribution boxes deliver electricity from the main electrical main to other circuits. Main Distribution Board (MDB) 2.
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