Principles of Fire Alarm Systems:
Fire alarm systems usually perform two primary functions. Firstly, they provide a means for warning people throughout the building that there is a fire and that they should commence their evacuation. Secondly, they can detect a fire automatically before any person has found it.
Fire alarm systems do also have a third function and it is usually employed in larger buildings. This third function is to automatically control other systems in the building. These other systems can include: