Cisco Catalyst 9400 Series

--Power supply in the OFF (0) position1
Step 2 Loosen and remove the retainer strip that is around the power cord.
See Power Cord Retainer Mechanism, on page 105
Step 3 Remove the power cord from AC-in receptacle.
Step 4 Press the release latch of the power supply module inward.
Cisco Catalyst 9400 Series Switches Hardware Installation Guide
99
Removing and Replacing FRUs
Removing an AC-Input Power Supply Module