knife switch

noun

, Electricity.

1. a form of air switch in which a moving element, usually a hinged blade, is placed between two contact clips.

knife switch

noun

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

Word History and Origins

Origin of knife switch¹

First recorded in 1905–10

Example Sentences

A double-throw knife switch in the cab controls the headlight.

From Project Gutenberg

In Figure 43 each battery has a double pole, double throw knife switch.

From Project Gutenberg

If the knife switch blades are hard to move, look for cutting at the pivots.

From Project Gutenberg

In this case a throw-over knife switch is wired to perform this function.

From Project Gutenberg

Omitting the knife switch we have two three-way switches controlling the light.

From Project Gutenberg