Dell PowerVault NX3500 Handbuch Zum Einstieg Seite 13

Securing the Power Cable(s)
Bend the system power cable(s) into a loop as shown in the illustration and
secure the cables to the brackets using the provided strap. Plug the other end of
one power cable to a grounded electrical outlet and the other cable to the BPS.
For more information, see "Cabling the Solution" on page 9.
Secure the power cable connected to the BPS as shown in the illustration.
11
Getting Started With Your System