AC WORKS 10ft L14-30P to CS6364 Cord 10-ft 10 / 4-Prong Indoor/Outdoor Soow Heavy Duty Locking Extension Cord in the Extension Cords department at Lowes.com
AC WORKS 10ft NEMA L14-30 Cord 10-ft 10 / 4-Prong Indoor/Outdoor Soow Heavy Duty Locking Extension Cord in the Extension Cords department at Lowes.com
GENCORD, 10/4 SJTW 50' BLACK TWLOCK L14-30P/R SW | Southwire
TOOLIOM 4 Prong 30A 10 feet Generator Extension Cord NEMA L14-30P to L14-30R 10 Gauge - Walmart.com