<P> The utility frequency , ( power ) line frequency ( American English ) or mains frequency ( British English ) is the nominal frequency of the oscillations of alternating current ( AC ) in an electric power grid transmitted from a power station to the end - user . In large parts of the world this is 50 Hz , although in the Americas and parts of Asia it is typically 60 Hz . Current usage by country or region is given in the list of mains power around the world . </P>
<P> The utility frequency , ( power ) line frequency ( American English ) or mains frequency ( British English ) is the nominal frequency of the oscillations of alternating current ( AC ) in an electric power grid transmitted from a power station to the end - user . In large parts of the world this is 50 Hz , although in the Americas and parts of Asia it is typically 60 Hz . Current usage by country or region is given in the list of mains power around the world . </P>
in north america power is generated at a frequency of
in north america power is generated at a frequency of
60 Hz
60 Hz