Coleman Cable 19228806 8/3 Heavy-Duty STW 50-Amp/250-Volt Nema 6-50 Blue Welder Extension Cord, 50-Feet HEAVY-DUTY 50' Extension Cord suitable for welding machines with a NEMA 6-50 configuration 8-Gauge STW jacket for SUPERIOR PERFORMANCE and FLEXIBILITY LIGHTED RECEPTACLE END indicates when power is on MOLDED ENDS offer safety and convenience on the jobsite Offers more PORTABILITY to welding machines Extension Cord rated at 40 Amps, 250 Volts and 10,000 Watts UL Listed