HP Parallel Uninterruptible Power System - Manual (Page 51)

UPS installation 51
4. Secure the parallel input cord by pushing in the cord retention bracket (3).
Connecting the UPS to utility power
WARNING: To prevent injury from electric shock or damage to the equipment:
• Plug the input line cord into a grounded (earthed) electrical outlet that is installed near the
equipment and is easily accessible.
• Do not disable the grounding plug on the input line cord. The grounding plug is an important
safety feature.
• Do not use extension cords.
Connect the UPS to a grounded utility power outlet.