ENERLITES Locking Plug Connector for NEMA L6-30P Generator, Twist Lock Male Plug, 30 Amp, 250 Volt, 2 Pole, 3 Wire Grounding, Industrial Grade Heavy Duty, UL Listing, 66461-BK, Black

ENERLITES NEMA L6-30P Locking Plug Connector for Generator, Twist Lock Male Plug, 30 Amp, 250 Volt, 2 Pole, 3 Wire Grounding, Industrial Grade Heavy Duty, UL Listed, 66461-BK, Black

ELEGRP NEMA L6-30R Flush Mounting Locking Receptacle, Twist Lock Socket/Outlet for Generator, 30 Amp 250V 2 Pole 3 Wire Grounding, Industrial Grade Heavy Duty, UL Listed (1 Pack, Black)

Leviton 2620 30 Amp, 250 Volt, Flush Mounting Locking Receptacle, Industrial Grade, Grounding, V-0-MAX, Black