What wire and thickness is recommended for 150 ft @ 60-70amps (2 hot, 1 neutral, 1 ground) to the main 200a panel? Running across my attic, down wall, underground. Which type of wire? Copper SER? 4-4-4-6? Would that be best be ...
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closed 0Electrical 4 months 2 Answers 42 views 3