990-5810D-001

Connect the Power Cables

The grounding electrode conductor must be installed per NEC 250.30 and sized per NEC 250.66.

Top View of the Power Connection Area in the I/O Cabinet

  1. Connect the equipment grounding conductor to the equipment grounding bar.
  2. Connect the battery cables to the battery + and battery – terminals.
  3. Connect the output cables.
  4. Connect the input cables.
  5. Only applicable to dual mains systems: Connect the bypass cables.
  6. Only applicable to high impedance grounding systems:
    NOTE: For high impedance grounding systems, the installation must include a ground-fault detection circuitry.
    1. Open the narrow door in the right side.

      Front View of the I/O Cabinet

    2. Remove the jumper busbar.
    3. Connect an external impedance between the “E” terminal and the equipment grounding bar according to NEC 2014 article 250.36.
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