3 PRONG NEMA 10-30P TO 6-50R : NEMA 10-30P 3 Prong 30 amp 125/250 Volt dryer plug; NEMA 6-50R 50amp 250Volt welder female outlet connector. NEMA 10-30P 30 amp plug to NEMA 6-50R 50 amp outlet power adapter cord allows 220/240 volt input welders to use with the common household dryer outlet.
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