Free Up Space And Secure Power Cords Between Rack-Mount Pdus And Attached It Equipment With This Exclusive Easy-To-Use Cord Retention Method. While These Cords Will Fit Into Any Standard Iec Receptacle Or Power Inlet; The &quot;Locking&quot; Feature Is Enabled Only When Used With Apc Ap8000 Series Rack Pdus Or It Equipment With Built-In Locking Receptacles. These Locking Connectors Reduce The Probability Of Accidentally Disconnecting Cords And Dropping Loads.