Under normal circumstances, in order to ensure the safety of people's electricity use, all units will restrict the use of electrical appliances in the dormitory. Under normal circumstances, the power of electrical appliances will be required to be between 1500 watts and 2000 watts, and a current-limiting fuse will be added or turned on to the power supply of the golden room. If the indoor appliances exceed the specified load, they will blow the fuse or trip, which will play the role of power failure protection.