Updated over 6 years ago on . Most recent reply
Can I use an adapter in this case?
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Disclaimer: I am not a professional electrician.
The receptacle is a NEMA 6-20R, which should be 240 V, 20 A.
The plug is a NEMA 5-20P, which should be 120 V, 20 A.
So no, you can't use an adapter. The outlet provides twice as much voltage as the appliance with that plug expects.