AC WORKS 1.5 ft. L14-30P Generator 4-Prong 30 Amp Plug to (4) NEMA 5-15/20R 20 Amp Household Female Connectors Adapter Cord L1430F520-018 - The Home Depot
AC WORKS 1.5 ft. Welder Adaper Generator L14-30 Plug (4-Prong 30 Amp) to NEMA 6-50R 50 Amp 250-Volt Adapter Cord L1430650-018 - The Home Depot
Briggs & Stratton 30 Amp Generator Adapter Cord Set - 25' Long 4 Outlets | eBay
Generator Adapter Cord 3-Prong Twist Lock 30A L5-30P Male to RV 30A TT-30 Female | eBay
Reliance AP31RV 30A 125V Color Connect Adapter Cord L5-30 Plug TT-30 C – AP31RV – DuroMax Power Equipment