An electrical riser diagram shows five existing panels designated 1N, 1C, YAA2, LAD9, and LAD8 connected to feeder conduits. Panel YAA2 is fed by a 1-inch conduit with four number 8 conductors and one number 8 ground under 180 feet. Panel LAD9 is supplied by a 2-inch conduit containing four number 1/0 conductors and one number 6 ground. Panel LAD8 utilizes a 1-1/4-inch conduit with four number 2 conductors and one number 6 ground. Each panel drop includes designated conduit sizes, wire gauges, and ground wire specifications.
(E) PANEL "LAD9" 2"C-4#1/0 & 1#6 GRD. PANEL (E) 1N (E) 1C PANEL (E) PANEL "YAA2" PANEL (E) "LAD8" 1 1/4"C-4#2 & 1#6 GRD. 1"C-4#8 & 1/8 GRD. <180' E E E E E
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