HPE ProLiant DL380 Gen10 Plus User Manual page 101

4. Attach the -48 V wire and the return wire to the connectors as marked and tighten to 0.98 N m (8.68 lb-in) of torque.
5. Attach the ground (earthed) wire to the ground screw and tighten to 1.47 N m (13 lb-in) of torque.
Installing the HPE 1600 W Flex Slot -48 VDC hot-plug power supply 101