The domestic distribution box shall have the following functions:

Main power switch unit. Control the main power supply, pull down the main power switch to cut off the AC 220 V phase line and zero line at the same time. Leakage protector unit. In case of electric leakage of wires or electrical appliances in the house and in case of electric shock, the leakage protector will cut off the power supply quickly. Fuse unit. Two fuses are installed to supply power to the house in two ways. Generally, one way is used for indoor lighting, and the other way is used for household appliances through sockets. In case of over-current or short-circuit fault, the corresponding fuse will blow automatically.