What is an integrated piping system connected to a source of extinguishing agent that suppresses fires when triggered by an automatic detecting device?

The correct choice describes an automatic fire suppression system, which is designed to activate upon detection of a fire and work to suppress it using an extinguishing agent. This system operates autonomously, meaning it does not require manual intervention in order to respond to a fire; this is a critical feature as it allows for immediate action when a fire is detected. The integration with detecting devices ensures that the system can respond quickly and effectively to any signs of combustion, minimizing damage and risks associated with fire.

In contrast, a manual fire suppression system relies on human action to engage, which does not provide the same level of immediate response as the automatic system. An automatic fire detection system focuses solely on identifying fires rather than suppressing them, while a fire sprinkler system is a specific type of automatic fire suppression system that uses water as the extinguishing agent. Although a fire sprinkler system is indeed a form of automatic fire suppression, the broader term encompasses various types of systems capable of suppressing fires in different ways, encompassing more than just sprinklers. This makes the designation of "automatic fire suppression system" accurately reflect the integration of detection and suppression functionalities.