Dell PowerVault NX200 Guide De Mise En Route page 6

Connecting the Power Cable
Connect the system's power cable to the system and, if a monitor is used,
connect the monitor's power cable to the monitor.
Securing the Power Cable
Bend the system power cable into a loop as shown in the illustration and
secure the cable with the provided strap.
Plug the other end of the power cable into a grounded electrical outlet or a
separate power source such as an uninterrupted power supply (UPS) or a
power distribution unit (PDU).
4
Getting Started With Your System