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master switch

noun
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Definition of master switch

: a switch that controls the action of relays or that makes and breaks the main supply line to a building or other installation

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Learn More About master switch

Dictionary Entries Near master switch

masterstroke

master switch

master-tailor

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Cite this Entry

“Master switch.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/master%20switch. Accessed 15 Aug. 2022.

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