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Utility frequency
The
utility frequency
,
(power) line frequency
(
American English
) or
mains frequency
(
British English
) is the
frequency
of the oscillations of
alternating current
(AC) in an
electric power grid
transmitted from a
power plant
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
.
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