August 4, 201830 Amp Plug gen ii high out put delta 4 special edition amp power supply cord with c wiring 30 plug ge to 20 adapter. . . . . . . . . . . . . . . Tags: 30 amp 220 plug wiring, 30 amp 220v plug wiring diagram, 30 amp adapter plug walmart, 30 amp camper plug adapter, 30 amp connector types, 30 amp dryer plug adapter, 30 amp dryer plug wiring