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3 wire or 4 wire?
Red and black, or 2 black #10's go from 30 amp 2 Pole Breaker to 2 side wires on Recpticle. Both 3 and 4 wire use ground, #10(Can see strap connecting to metal body.) 4 wire will have 4th wire for neutral(White) #10,and goes to whites in Panel |
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