Plug type and voltage in United States

The plug types, mains voltage and frequency used in United States, and the countries that share its plugs.

Plug type and voltage in United States
CountryPlug typesVoltageFrequency
United StatesA, B, NEMA 14-30, NEMA 14-50120/240 V, 120/208 V, 277/480 V60 Hz

Common questions

What plug type does United States use?
A, B, NEMA 14-30, NEMA 14-50.
What voltage does United States use?
120/240 V, 120/208 V, 277/480 V.
What is the mains frequency in United States?
60 Hz.

Sources

Travelbook

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