Job Recruitment Website - Property management company - What is the meaning of "closing" of "power supply closing"

What is the meaning of "closing" of "power supply closing"

"Turn on" means "turn on the switch".

"Turn on the power supply" refers to operating the switch of the transmission line to turn on the load switch. "Switch" used to be called "switch".

Sentence: Today, the property management company informed that the community will close at some time tomorrow. Please pay attention.