Wiring Direction: Wiring between the main circuit breaker and each branch circuit breaker in the box generally goes on the left, and the wiring out of the distribution box generally goes on the right. Binding Requirements: The wires should be bound with. A distribution board or distribution box is where the main power supply is distributed to multiple loads. Fix the box securely to the wall, ensuring it's at an accessible. “Outgoing Line Wiring Connection in Distribution Panel” In this video, you will learn how to properly connect outgoing line wires in a distribution pan. It takes the incoming power and safely distributes it to different circuits throughout your building. ” The Load terminals, marked “LOAD,” are reserved for wires extending protection to downstream receptacles and are frequently covered with a piece of protective tape, which must be removed if those terminals are to be used.