GENCORD, 10/4 SJTW 50' BLACK TWLOCK L14-30P/R SW | Southwire
SJOOW 10/4 Portable Service Cord | Allied Wire & Cable
SOOW 10/4 Portable Service Cord | Allied Wire & Cable
VEVOR 20 Ft 30 Amp Generator Extension Cord 4 Wire 10 Gauge 125V 250V UL & CUL Listed Generator Power Cord Twist Lock Connectors - Walmart.com
AC WORKS 10ft L14-30P to SS2-50R Cord 10-ft 10 / 4-Prong Indoor/Outdoor Soow Heavy Duty Locking Extension Cord in the Extension Cords department at Lowes.com
AC WORKS® [L1530PR] SOOW 10/4 NEMA L15-30 30A 3-Phase 250V Industrial – AC Connectors