Connecting the Ground Wire to a 300 W DC Power Supply

Follow these steps to connect the ground wire to a Summit 300 W DC power supply.

Warning

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

Warning

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

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. Pull the cover off the terminal block.
4. Identify the grounding point on the front panel of the power supply.
5. Connect the ground wire to the grounding point as follows:
   1. Insert a 6-32 UNC screw (provided) through the ring terminal and into the grounding point on the power supply.
      See Connecting the Ground Wire (Front-to-Back Model 10933 Shown).

      

      Connecting the Ground Wire (Front-to-Back Model 10933 Shown)

      

      1 = Grounding point

      2 = Ground wire

   2. Tighten the screw to 12.6 in‑lb (1.42 N m).
6. Connect the other end of the wire to a known reliable earth ground point at your site.
7. Connect the power supply to the source, following the instructions in Connecting a 300 W DC Power Supply to the Source Voltage.