Socket Breaker Wire Diagram Two Wiring Diagram. . com. . First, switch on the main breaker and reconnect the double pole breaker using the switch. com. . This results in 50 amps at 120 volts for each leg. Show full PDF. . How to wire a 30 amp rv plug. Double and triple pole circuit breakers will trip all poles will trip if any one pole trips. Auto Starter. . . 2 KB · Views: 183 1DF53D41-792D-419D-B31E-B1E15F5F99FE. A 20 amp, 120v duplex receptacle outlet like this should be installed in a circuit using 12 awg cable and a 20 amp circuit breaker.