In a building, a sprinkler system is part of which system?

The sprinkler system is categorized as part of a firefighting system because its primary purpose is to suppress or extinguish fires in buildings. When a fire occurs, the sprinkler system is activated, releasing water to control the flames and minimize damage. This critical function directly links it to fire safety and prevention measures within a facility, distinguishing it from other systems that serve different operational needs.

While the alarm system is designed to detect and alert occupants to the presence of fire, and the water system encompasses all plumbing features for general water supply, the sprinkler system’s specific role in actively fighting fires makes it a component of the firefighting system. The cooling system, on the other hand, is related to temperature regulation and does not relate to fire suppression.

Thus, a sprinkler system's integral function in managing fire incidents firmly places it in the realm of firefighting systems.