safety switch

基本解释

Most have been used to the principle of having a fuse or safety switch that turns the fixture off if the bulb burns out.
如果燈泡燒燬，大多數設計人員都習慣於用保險絲或安全開關關閉照明器具。
The safety switch comprises a heat transfer piece, an insulating seat, a fusible body, a control rod and a movable safety piece.
該保險開關，它包括一熱傳遞片、一絕緣座、一可熔躰、一控制杆以及一動保險片。
ip.com
How many car salesmen talk about their work, huh? How many cigarette salesmen? Both their products kill more people every year than mine. At least mine has a safety switch.
賣車的會告訴你開車有危險？賣香菸的會告訴你吸菸會死？每年他們的商品比我的害死更多人，起碼我的商品還有個保險栓呢。

Harry Gaus, a German physicist, had sued Conair for infringing his patent for a hair dryer safety switch.
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