The automatic sprinkler system has been in use for over 100 years and is the most effective invention of automatic fire protection systems. Provide a definition for the automatic sprinkler system.
An automatic sprinkler is a fire-suppression or fire-control device with a heat-activated element. The sprinkler operates automatically when the air temperature rises to or above the device's specified temperature rating. When that happens, the sprinkler discharges water over a specified area.