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Customizing and Updating the PDU
56 150kW InfraStruXure PDU—Operation and Configuration
How to connect the sub-feed cable to the circuit breaker
1. Use a knockout punch to create an
appropriately-sized hole in either the top or
bottom gland plate on the PDU through
which you will route the sub-feed cable. Use
the top gland plate for overhead wiring and
the bottom gland plate for underfloor wiring.
2. Re-attach the gland plate.
3. Install the conduit, fitting, and lock-nut.
4. Thread the sub-feed cable through the
conduit and to the circuit breaker.
5. Connect the three-phase wires to the load side of the circuit breaker.
6. Connect the sub-feed neutral wire to the neutral bar on the panel (M8 studs are provided).
7. Connect the ground wire to one of the ground studs on the panel bracket (M8 studs are
provided).