HP 40cp User Manual download pdf (Page 18)

Removal and replacement procedures 18

Busway drop box

The internal electrical busways provide a location to connect each of the drop boxes, which then power the

PDUs. Stagger the drop boxes on the electrical busways by connecting one drop box to busway #1 and

connecting the next drop box to busway #2. A staggered configuration enables load balancing with the rack

equipment and is necessary to ensure redundancy.

You need a socket wrench for installation.

IMPORTANT: HP recommends that you shut down the associated IT equipment and de-energize

the appropriate section of the power busway before attempting to remove or replace a busway

drop box. The corresponding branch circuit breaker is labeled on the busway.

Removing the busway drop box

1. Turn the power off by opening both breakers on the busway drop box (1).

2. Disconnect the PDUs that are connected to the busway drop box (2).

3. Use a socket wrench to loosen and remove the bolt securing the busway drop box to the retaining

hardware bracket (1).

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HP 40cp User Manual Page 18