Electrical riser diagram showing panel "EPPC1" connected to a transient voltage surge suppressor via a one-inch conduit with four number eight twisted conductors. The existing panel connects downward through a three-inch conduit containing three number four-slash-zero conductors, one number six-hundred MCM neutral, one number two isolated ground, and one number two equipment ground. A three-quarter-inch conduit with one number two grounding conductor ties into the system.
3/4"C-1#2 GRD. (E) 1#600 MCM N., <10' 1#2 I.G. & 1#2 E.G. E PANEL "EPPC1" 3"C-3#4/0 TVSS 1"C-TWISTED 4#8 E
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