990-5909A-001

Connect the Power Cables in a Bottom Cable Entry System

NOTE: DC cables are routed through the bottom or through the conduit box of the UPS. Follow the UPS installation manual to install the DC cables.
NOTE: Input cables in dual mains systems are routed through the bottom or through the conduit box of the UPS. Follow the UPS installation manual to install the input cables.
  1. Perform one of the following:
    • Only for single mains system: Route the input cables and the load cables through the bottom of the maintenance bypass cabinet and connect to the PE busbar, the input busbars, and the load busbars.
    • Only for dual mains system: Route the bypass cables and the load cables through the bottom of the maintenance bypass cabinet and connect to the PE busbar, the bypass busbars, and the load busbars.
  2. The power cables must be restrained with 3/8 nylon rope:
    1. Tie the power cables to the beams with rope as illustrated. Make sure that the rope holds the cables tightly in place. Note that L2 is routed under the beam and L1 and L3 is routed over the beam in front of the busbars.

    Left Side View of the Maintenance Bypass Cabinet – Single Mains

    Left Side View of the Maintenance Bypass Cabinet – Dual Mains

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