knife switch

基本解釋

Furthermore, The protective lid features bipolar knife switch which resolves safety issues when the lid is open.
此外，當蓋子是打開的時候，給予保護的蓋子內(nèi)有兩極的閘刀來解決電流的安全流通。
Produces including lampholders porcelain lampholder fuse box insulator knife switch adapter block porcelain socket porcelain etc.
電瓷件、瓷燈頭、瓷燈座、座熔斷器、絕緣子、閘刀開關、瓷接器、瓷插座等各式燈座。
A knife switch with iron shell shall be installed in the power supply line, which is exclusively for this oven, and the outer plate shall be grounded.
應在供電線路中安裝鐵殼閘刀開關一只，供此箱專用，并將外殼接地。

an electric switch in which a flat metal blade, hinged at one end, is pushed between fixed contacts