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
Amazon.com: 50FT 220V 50AMP Welder Extension Cord, 8 Gauge Heavy Duty Industrial NEMA 6-50 Welding Machine Cord with Lighted End for MIG TIG : Tools & Home Improvement
RIDGID 50 ft. 12/3 Heavy Duty Indoor/Outdoor Extension Cord with Lighted End, Orange/Grey 74050RGD - The Home Depot
Amazon.com: 50FT 220V 50AMP Welder Extension Cord, 8 Gauge Heavy Duty Industrial NEMA 6-50 Welding Machine Cord with Lighted End for MIG TIG : Tools & Home Improvement
50 ft. x 12/3 Gauge Outdoor Extension Cord, Orange
RVGUARD 250V 20 Feet Welder Extension Cord, Heavy Duty 8 AWG NEMA 6-50 STW Welding Cord with Power Indicator End, ETL Listed - Amazon.com
Road Power 65039701 6/8 Gauge 30 ft. Extra Heavy Duty, 3 Prong, STW RV Power Cord, 50 AMP, 6250/12500 Watts, 125/250 Volts, Black (for Use with Mobile Homes, Campgrounds and Other Motor Parks) - Amazon.com
Southwire 19178806 8/3 Heavy-Duty STW 40-Amp/250-Volt Nema 6-50 Blue Welder Extension Cord 25- Feet 8-Gauge STW jacket for Superior Performance Rated at 40 Amps 250 Volts and 10000 Watts - Welding Extension Cord - Amazon.com