Connecting the Ground Wire to a 750 W DC Power Supply

About this task

Follow these steps to connect the ground wire to a 750 W DC power supply.

Warning

Warning

Be sure to connect the chassis ground wire before you connect any power cables.
Warning

Warning

Be sure to disconnect the ground wire after you disconnect all power cables.

Procedure

  1. Verify that the DC circuit is de-energized.
  2. Attach an ESD-preventive wrist strap to your bare wrist and connect the metal end to an appropriate ground point on the rack.
  3. Connect the ground wire to the grounding point on the power supply, labeled GND in the following figure:
    Click to expand in new window
    Front view of 750 W DC PSU
    Front view of 750 W DC PSU

    Directly beneath the grounding point, you will see the international symbol for earth ground – Ground image– on the body of the switch.

    1. Attach the ring lug to the 6 AWG ground wire.
    2. Secure the ring lug with a 5mm hex socket and tighten.
    3. Gently tug the ground wire to make sure it is fastened securely.
  4. Connect the other end of the wire to a known reliable earth ground point at your site.

What to do next

When you have connected the ground wire, connect the power supply to the power source using the two input cables. Follow the instructions in Connecting a 750 W DC Power Supply to the Source Voltage.