Parkworld 884906 Generator Adapter 3-prong Locking L5-30P Male to L5-20R Female | eBay
RV 30 Amp Generator Plug Adapter 3 Prong - RecPro
CAMCO - 3-Prong Generator Adapter - 30 AMP M to 2x15 AMP F - Murdoch's
Parkworld 691760 Generator Adapter 3-Prong 20 AMP 5-20P Male to 30 AMP
parkworld 1 ft. 10/3 Generator 30 Amp 3-Prong Locking L5-30P Plug to 50 Amp 4-Prong 14-50R Adapter cord(2-Hots Bridged) FOR RVs 691869 - The Home Depot
Amazon.com: BOEEMI Generator Transfer Switch Adapter Cord L5-30P Male to L14-30R Female, 30 Amp Twist Lock 3 Prong to 4 Prong Generator Plug Adapter Connects Generator's 3 Prong Outlet to 4 Prong
AC WORKS AC Connectors 1.5 ft. 10/3 L5-30P 30 Amp 3-Prong Locking Plug to 30 Amp RV Generator Adapter RVL530TT-018 - The Home Depot
Miady RV Generator Adapter, 3-Prong 30A Male to 30A Female RV Power Plug for Camper Motorhome Trailer/UL Listed - Amazon.com
Amazon.com: RVGUARD 3 Prong 30 Amp to 30 Amp RV Generator Adapter Cord 12 Inch STW 10/3, L5-30P Locking Male Plug to TT-30R Female with LED Power Indicator, Green : Automotive
parkworld 1.5 ft. 10/3 3-Wire Generator 30 Amp 125/250-Volt 4-Prong Locking L14-30P to Dryer 3-Prong 10-30R Adapter Cord 886139 - The Home Depot