The grounding diagram details the electrical connections between eight power distribution units and a centralized Phase 4 mezzanine ground bar. Each power distribution unit connects to the central bus via number 4/0 ground conductors. A main 500kcmil ground conductor ties into the ground bar to complete the grounding path.
PDU PDU PDU PDU PDU PDU PDU PDU PH4 - MEZZ GROUND BAR #4/0 G. #4/0 G. 500kcmil G.
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