Next, connect the bus: the connection of the main bus, the connection between the main bus and the lower bus and the connection between the bus and the instrument are connected by bolts. The connection surface of the bus shall be coated with electrical composite grease and bolts. The tightening degree and connection state of the connection surface shall be controlled by tightening the bolts according to the specified torque value.

In order to avoid fire, the distribution box of the household distribution box should not be too high. Generally, the height of the equipment is 1.8m to facilitate operation; The wires entering the distribution box must be fixed with lock nuts. If it is necessary to open the distribution box of the household distribution box, the edge of the hole must be smooth and clean. When the distribution box is buried on the wall, it shall be placed vertically and horizontally, and a gap of 5-6mm shall be reserved at the edge. The wiring in the distribution box shall be regular and regular. The terminal screws must be tightened. The input line of each circuit must have a satisfactory length and have no connectors. The name of each circuit shall be marked on the back of the equipment. After completing the household distribution box, the residue in the distribution box must be removed.