…For outdoor use, there are waterproof street light switches. For slightly larger currents, there are covered knife switches and box switches. Current limiters (breakers) up to 30A are installed at the power inlet to the home and automatically cut off the power when the current exceeds a specified value. … *Some of the terminology that mentions "knife switch" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…屋外用には耐水形に作られた街灯スイッチがある。少し大きな電力用にはカバー付きナイフスイッチknife switchや箱開閉器がある。30Aまでの電流制限器(ブレーカー)は家庭への電力引込口に取り付けられ,電流が規定値を超えると自動的に切断動作を行うスイッチである。… ※「knife switch」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 |
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