This AC WORKS brand electrical welder adapter [WDL14301050] is a compact, heavy‑duty molded adapter designed to convert a NEMA L14‑30P 30 Amp, 125/250 Volt 4‑prong locking plug into a NEMA 10‑50R 50 Amp, 125/250 Volt straight‑blade connector. Built with nickel‑plated pins and terminals to prevent rusting, the adapter withstands demanding workshop and industrial environments. With a maximum operating power of 7500 Watts, it provides a reliable solution for welders, EV charging, older 10‑50 style range outlets, and certain geographic regions that still use 10‑50 dryer connections. Backed by a 5‑year limited warranty, this adapter delivers long‑lasting performance and dependable functionality. Material: PVC.