4 Prong Twist Lock to 3 Prong Welder Plug Adapter 220V, NEMA L14-30P to 6-50R Generator to Welding Converter Cord, 30 Amp Male to 50 Amp Female, 10 AWG 3C 1FT. Plug Format NEMA L14-30P and 6-50R. 【Features】Male plug with twist lock design for safety.
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