In the UK, Africa, Australia, most of Asia and Russia, the frequency of AC (alternating current) running through electrical mains is 50Hz (Herts). While in North America, and a few other countries (Japan uses both), the AC frequency is 60Hz.
Read moreDoes Europe use 50Hz or 60Hz?
Frequency Standardization As the 20th century continued, more power was produced at 60 Hz (North America) or 50 Hz (Europe and most of Asia). Standardization allowed international trade in electrical equipment. Much later, the use of standard frequencies allowed interconnection of power grids.
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