Connecting the Ground Cable

You must ground the DC power supply before connecting it to a power source.
Warning

Warning

Connect the ground cable before you connect any power cables.
Warning

Warning

Disconnect the ground cable after you disconnect all power cables.
  1. Verify that the DC circuit is de-energized.
  2. Identify the grounding point on the front panel of the power supply.
  3. Insert an M3.5 screw (provided) through the ring terminal on the ground cable and into the grounding point on the power supply.
    See the following figures.
    Click to expand in new window
    Connecting the Ground Cable (Model 10933)
    ../Graphics/E4G_wr_psu_05_460.svg
    1 = Grounding point 2 = Ground cable
    Click to expand in new window
    Connecting the Ground Cable (Model 10934A)
    ../Graphics/SH_209_X460_DC_PSU_gnd.svg
    1 = Grounding point 2 = Ground cable
  4. Tighten the screw to 12.6 pound-inches (1.42 Newton-meters).
  5. Connect the other end of the cable to a known reliable earth ground point at your site.