Electrical · E-RYD5P

Electrical Riser Diagram for Switchboard DBCL2

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Power distribution from existing switchboard DBCL2, rated 120/208 volts, 3-phase, 4-wire, 400-ampere bus, and 42 kAIC. The switchboard feeds multiple existing panels including LAC3, LAC4, LAC5, and LARC through various conduit sizes and conductor configurations. Specifically, circuit 1 utilizes a 2-inch conduit with four #1/0 conductors and one #6 ground over a 135-foot run, while circuits 3 and 5 utilize 1-1/4-inch conduits with four #2 conductors and one #6 ground over 35-foot and 105-foot runs respectively. Circuit 2 uses a 2-inch conduit with four #1/0 conductors and one #6 ground over 170 feet, and circuits 4, 7, and 8 connect via 1-1/4-inch conduits with four #2 conductors and one #6 ground over 130-foot, 40-foot, and 40-foot runs respectively. Circuit 8 also feeds an additional 400AF/400AT 3-pole connection, and circuits 9 and 10 are designated as spare spaces.

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