Leisure Cords RV Generator Adapter with 30 Amp 3 Prong Locking Male Plug to RV 30 Amp Female Standard Connector (3-Prong) - Walmart.com
Amazon.com: 13 Inch 30 Amp to 50 Amp RV Generator Adapter Cord, 3 Prong to 4 Prong Generator Adapter Power Cord L5-30P Locking Male Plug to 14-50R Amp Female with Handle for
WEN GNA030 120V 30-Amp 3600-Watt Generator to RV Adapter, NEMA L5-30P — WEN Products