Job Recruitment Website - Recruitment portal - (20 12? Wuzhong District No.2 model is a household refrigerator and its circuit diagram. The power supply used in the refrigerator is _ _ _ _ _ _ power supply (choose "AC" or "DC").

(20 12? Wuzhong District No.2 model is a household refrigerator and its circuit diagram. The power supply used in the refrigerator is _ _ _ _ _ _ power supply (choose "AC" or "DC").

(1) The refrigerator uses AC power.

(2) When the refrigerator door is closed, the lighting lamp is turned off and the door control switch should be turned off.

(3) When the temperature in the refrigerator drops to a certain extent, the temperature control switch will automatically turn off.

Therefore, the answer to this question is: communication; Disconnect; Disconnect.