What is another word for power frequencies?
Pronunciation: [pˈa͡ʊə fɹˈiːkwənsiz] (IPA) 
Power frequencies refer to the low frequencies used in the power grid, typically in the range of 50-60 Hz. Other terms used to describe power frequencies include utility frequencies, grid frequencies, and mains frequencies. These terms all refer to the same basic concept of the frequency of the electrical power supplied to homes and businesses. The term "utility frequency" is particularly popular in Europe, while "grid frequency" is often used in North America. "Mains frequency," on the other hand, is more commonly used in the United Kingdom. Despite these variations, all of these synonyms refer to the electrical frequency that powers our homes and businesses on a daily basis.
