An electrical distribution schematic connects a San Diego Gas and Electric transformer pad to an underground primary service. Four five-inch conduits route from the transformer pad, concrete-encased per utility standards, to an underground primary service enclosure. One four-inch conduit routes from the transformer pad to the primary service. The utility connection feeds a one-hundred-percent-rated sixteen-hundred-ampere switchboard section containing ground fault protection, transient voltage surge suppression, and metering equipment.
SAN DIEGO GAS AND ELECTRIC (SDG&E) XFMR TO SDG&E PRIMARY TRANSFORMER PAD PER SDG&E REQUIREMENTS (3425) M 1600/3 EPM GFP TVSS UGPS 100% RATED 5 2 SDG&E (4) 5" PER SDG&E STANDARDS CONCRETE ENCASED (1) 4" PER SDG&E STANDARDS TYPE PX
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