Parkworld brand， #61391 25 ft. Heavy-Duty 50 Amp 250-Volt NEMA 6-50 Welder Extension Cord NEMA 6-50P to 6-50R. This NEMA 6-50 welder extension cord is designed for use with portable welder machines and it is compatible with most welder machines on market. The 6-50R female end features a built-in neon power indicator light that illuminates when the power is connected. It has a Welder 50 Amp 250-Volt 3-Prong NEMA 6-50P male plug and a 6-50R female connector. Made with 100% copper， UL and cUL Listed STW 6/3-Gauge wires for superior conductivity， the PVC jacket ensures that cable can be used in all weather conditions.

NEMA 6-50 welder extension cord

NEMA 6-50P to 6-50R 50 Amp 250-Volt welder extension cord

Made of durable-100-percent thick polyester fabric construction helps resist the wear and tear from frequent use

Receptacle: NEMA 6-50R， 50 Amp， 250-Volt welder 3-prong female connector

Fully molded， the plug pins and terminals are made with nickel-plated brass to prevent oxidation and rust

Cable: UL， C-UL Listed 6 AWG/3C wire

Maximum operating power of 50 Amp， 250-Volt， 12，500-Watt