Electrical – Is it possible (and safe) to adapt a 4-prong dryer outlet to a NEMA 6-20

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I'm considering an appliance that is 240V 16A 3500 Watt with a NEMA 6-20P plug. Is it possible and safe to create an adapter for this so that it can be plugged into a standard 4-prong 14-30R dryer outlet? The adapter would be a typical 4-prong dryer cord with a NEMA 6-20R receptacle.

Would this be possible? NEMA 14 is hot/hot/neutral/ground. Could this be wired to a 6-20 receptacle that is hot/hot/ground? What is done with the neutral? If possible, would it be unsafe because of the 30A circuit and 20A receptacle (or other reasons)?

EDIT:
To add some more info, the appliance is an an Avantco IC3500 induction cooktop. It is ETL listed and the label on the bottom states that it complies with UL Std 197, which I cannot find details on with respect to amperage.

Best Answer

The answer is it depends on the appliance. As long as the appliance does not expressly forbid using it on a 30A circuit you should be fine. You'll be able to change the plug and put on a 14-30P plug, just ignore the silver terminal (neutral).

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