What type of device is a manual fire alarm box?

A manual fire alarm box is classified as an initiating device that requires manual activation. This means that the device is intended for use by individuals in the event of a fire, who must physically activate it to signal a fire alarm and alert others to the emergency. In contrast to automatic devices, which detect fire or smoke and activate the alarm without human intervention, a manual fire alarm box relies on a person to pull a lever or press a button to initiate the alarm system.

Understanding the function of a manual fire alarm box emphasizes its importance in fire safety protocols, where immediate human response can be critical in alerting building occupants and guiding them to safety. The other options, such as automatic notification devices and smoke detection systems, operate independently of human action, serving a different purpose in the overall fire alarm system. Emergency lighting sources, while vital for safety during emergencies, do not play a role in alerting occupants to the presence of a fire.