Electrical · E-EX2HY

Level 1 Ground Bar and Equipment Grounding Connections

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This electrical diagram shows the grounding connections for the Phase 1 Level 1 ground bar. Two one thousand five hundred kilowatt uninterruptible power supply units connect via number four zero ground conductors, and the main switchboard connects using a five hundred kcmil ground conductor. Additional grounding connections tie into the ufer ground, a portable generator, and the main generator. Piping systems including restroom water pipes, HVAC piping, and sprinkler piping are tied into the grounding bus typically with dedicated conductors.

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