Ubiquiti UniFi Quick Start Manual page 9

7. We strongly recommend that you attach the Safety Wire
(length: 430 mm) to a secure structural point using its clasp
(inside diameter: 14 mm). Do NOT attach the Safety Wire to
a T-bar in the ceiling grid.
Note:
installation complies with local construction and
safety codes.
Two examples are shown below.
It is the installer's responsibility to verify that