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Electrical
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.
IMPORTANT:
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.
You need a socket wrench to remove and replace the busway drop box.
Removing the busway drop box
Turn the power off by opening both breakers on the busway drop box (1).
1.
HP recommends that you shut down the associated IT equipment and de-energize
Removal and replacement procedures 19
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