Distribution boxes contain busbars—metal strips or bars—to which the circuit breakers and other electrical components are connected. This switch allows for the isolation of power during maintenance or emergencies. For example, you may need flame retardant features. The. If you've ever opened that gray metal box on your wall to flip a tripped breaker, you've encountered an electrical distribution box. This essential component serves as the central hub where electricity enters your home or building and gets safely distributed to different circuits throughout the. The distribution box is a very important component of the power system.
[PDF Version]