Connect the Ground Wire to an 1100 W DC Power Supply

About this task

To connect the ground wire to the 1100 W DC power supply, follow these steps:



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


  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. Identify the grounding post on the right side of the power supply, above the latching tab.
  4. Connect the ground wire to the grounding post as follows:
    1. Remove the nut from the grounding post.
    2. Slide the ring terminal of the ground wire onto the grounding post (callout 1 in Securing the Ground Wire).
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      Securing the Ground Wire
    3. Screw the nut onto the grounding post (callout 2).
    4. Tighten the nut to 7 in‑lb (0.79 N m).
  5. Connect the other end of the wire to a known reliable earth ground point at your site.
  6. Connect the power supply to the DC power source. See the instructions in Connect DC Power Cables to an 1100 W DC Power Supply.