AC WORKS 50ft Super-Duty L5-30 Cord 50-ft 8 / 3-Prong Indoor/Outdoor Soow Super Heavy Duty Locking Extension Cord in the Extension Cords department at Lowes.com
SO Cord (SOOW) Cable Assemblies | PDU Cables
Lind Equipment LE12-50XP Explosion-Proof Extension Cord with Plug and Connector - 50' 12/3 SOOW
SO Cords | SOOW Cables | SO Cable | PowerWhips
AC Connectors 10 ft. SOOW 12/3 NEMA L5-20 20 Amp 125-Volt Rubber Extension Cord L520PR-010 - The Home Depot