Where is the installation of the ceiling access panel?

Update:Apr 27,2023
Summary:Suggestions on installation position of suspended ceiling manhole:Generally, there is a valve in the ceiling, a drainage inspection nozzle, or a hidde......
Suggestions on installation position of suspended ceiling manhole:
Generally, there is a valve in the ceiling, a drainage inspection nozzle, or a hidden distribution box.
The main purpose of setting the maintenance port of the ceiling is to facilitate the future maintenance or overhaul of the valves and circuits inside the ceiling.