Electrical · E-NMTZA

UPS and Distribution Panel Riser Diagram

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An uninterruptible power supply rated at 20kVA with a 480V input and 208Y/120V output serves as the central node. It connects downstream to a 100A 208Y/120V 3-phase 4-wire panel designated EDP2094XLI with a 70A 3-pole breaker. Upstream connection feeds a 225A 480Y/277V 3-phase 4-wire panel designated EDP2099XHI with a 225A 3-pole breaker. Equipment ground is connected directly to earth ground.

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