Last Updated
：2025/11/28
knife switch
Noun
Japanese Meaning
電気回路内の電流の流れを制御するために使用されるスイッチ。金属製のレバー（ナイフ）をスロットや顎部に挿入または取り外すことで、電気接触を確立または遮断する装置。
（ plural ）
Quizzes for review
A switch used to control the flow of electricity in a circuit, consisting of a hinge which allows a metal lever, or knife, to be lifted from or inserted into a slot or jaw to break or make electrical contact.
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knife switch
Before servicing the panel, the electrician opened the knife switch to ensure the circuit was dead.
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Before servicing the panel, the electrician opened the knife switch to ensure the circuit was dead.
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