industrial frequency

…The reciprocal of the period is called frequency, and its unit is Hertz (symbol Hz). Ordinary electric power has a frequency of 50Hz (Eastern Japan, most of the world) or 60Hz (Western Japan, America, etc.), which is called industrial frequency. In the field of electric power, frequencies lower than industrial frequencies are called low frequencies, and frequencies higher than industrial frequencies are called high frequencies, but this is different in the field of wireless communication. …

*Some explanations of terms that mention "industrial frequency" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…周期の逆数を周波数といい，単位はヘルツ(記号Hz)である。一般の電力は50Hz(東日本，世界の大部分)，または60Hz(西日本，アメリカなど)の周波数をもち，これを商用周波数industrial frequencyという。電力の分野では，商用周波数より低いものを低周波，高いものを高周波というが，無線通信の分野では異なる。…

※「industrial frequency」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報