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fire hydrant
Sign in to saveAlso known as hydrant, fireplug, fire plug, fire pump, johnny pump, hydrant riser, firecock
connection point by which firefighters can tap into a water supply
~24 min read
Encyclopedic overview
Fire hydrant in Charlottesville, Virginia, United States A fire hydrant, fireplug, firecock (archaic), hydrant riser or Johnny Pump is a connection point by which firefighters can tap into a water supply. It is a component of active fire protection. Underground fire hydrants have been used in Europe and Asia since at least the 18th century. Above-ground pillar-type hydrants are a 19th-century invention.
Operation
Excerpted from Wikipedia’s “fire hydrant” article, available under the CC BY-SA 4.0 licence.