mercury switch


Also found in: Thesaurus, Medical, Legal, Financial, Encyclopedia, Wikipedia.

mercury switch

n
(Electrical Engineering) electrical engineering a switch in which a circuit is completed between two terminals by liquid mercury when the switch is tilted

mer′cury switch`


n.
an esp. quiet switch that opens and closes an electric circuit by shifting a vial containing a pool of mercury.
References in periodicals archive ?
shove in the fiche with the BOM (Bill of Materials) for the tractor, identifiy the ignition system in question, and then show him a further microfiche with the Mercury switch clearly identified.
We will use mercury switch for this purpose, they said adding that hand glove communicates with frame grid through RF transmitter.
If it's not, the mercury switch inside won't work properly, which can affect the accuracy of the temperature readings.
4, 2010 Prevention vehicle parts, the Management metalcaster must either Practices for create a site-specific Mercury plan for mercury switch removal or purchase scrap from a vendor that participates in an approved mercury program.
Environmental Defense, the Ecology Center and the Environmental Council of the States launched the mercury switch removal program.