How To Wire A 240 Volt Generator To A Breaker Panel. 240 volt receptacle wiring diagram wiring diagram for 220 volt generator plug outlet wiring. A breaker panel box, 15amp, 20amp, 30amp, 50amp, and gfci breakers.
A ground wire will also need to run through the same bar on which the circuit breaker is connected. Black wire to input lug in the panel, you will need to add a jumper wire from one input to the other.
220 Plug Wiring Diagram