AC WORKS 5 ft. L14-30P Generator 4-Prong 30 Amp Plug to (4) NEMA 5-15/20R 20 Amp Household Female Connectors Adapter Cord L1430F520-05 - The Home Depot
AC WORKS 1.5 ft. L14-20P Generator 4-Prong 20 Amp Plug to (4) NEMA 5-15/20R 20 Amp Household Female Connectors Cord L1420F520-018 - The Home Depot
AC WORKS® L14-20 20 Amp 4-Prong Generator Cord – AC Connectors
Amazon.com: Parkworld 62657 Adapter Cord 4-Prong 20A Generator Locking Male Plug L14-20P to TT-30R RV 30A Female Receptacle 1 Feet : Tools & Home Improvement
Utilitech Generator Cord in the Generator Accessories department at Lowes.com
Reliance Controls PC2020M :: Power Cord, 20A, 120/240VAC, NEMA L14-20, 20' :: PLATT ELECTRIC SUPPLY
Generator 20A 4-Prong L14-20 Extension Cord NEMA L14-20P to L14-20R, 25' 50' | eBay
AC WORKS 1.5FT 10/3 STW Flexible Cord With 20A 4-Prong L14-20P Generator Locking Plug to Household Outlet with 20A Breaker L1420CB520 - The Home Depot