Drawing.pdf

This is an electrical one-line diagram for a 600-ampere, 120/208-volt AC distribution panel (DP-1). The schematic illustrates a comprehensive electrical distribution system with multiple branch circuits and protective devices organized across three main panelboards with red highlighting indicating energized bus bars and circuit connections.

The diagram depicts the main service entrance rated at 600 amperes feeding three separate distribution panels, each containing multiple branch circuits with varying amperage ratings ranging from 20 to 225 amperes. The upper panel contains ten circuits with ratings of 200, 200, 200, 200, 200, 100, 100, 100, 100, and 100 amperes. The middle and lower sections show additional circuits with capacities of 600, 1200, 600, 350, 200, 200, 200, 100, 100, 60, 30, 30, 20, 20, 20, and 20 amperes distributed across multiple branches. The diagram includes a legend identifying symbols for fuses, time-delay fuses, switches, non-fused disconnects, single-line disconnects, group conductors, group breakers, control loads, meters, and toggle switches. The document includes standard electrical engineering notation and connection details for each circuit branch, with the project information block indicating this is a building electrical distribution schematic for reference purposes.