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A properly designed, installed, operated, and maintained fire alarm system can reduce the losses associated with an unwanted fire in any building. (FAS)

These are the circuits which connect initiating devices such as smoke detectors, heat detectors, manual pull stations, and water flow alarms. (AIDC)

Audible and visible alarm indicating appliances tie in to these circuits to provide warning to the building occupants. (AIAC)

It contains the electronics that supervise and monitor the fire alarm system. The initiating and indicating circuits are connected directly into this panel. (FACP)

powers the entire fire alarm system (PPS)

A separate power supply that will operate automatically when the primary power fails and is capable of operating the entire system is considered a secondary power supply. (SPS)

commonly are used to detect fires. They are not as prone to false alarms and are less expensive than smoke detectors. (HD)

use a eutectic alloy that melts rapidly at a predetermined fixed temperature. Fusible alloys

also are commonly used in sprinkler heads. These mechanisms must be replaced after each operation.(FETM)

combine two metals with different thermal expansion coefficients. These types of mechanisms are

self-resetting as the element cools. (BTM)

respond to a given temperature of the surrounding air regardless of the rate at which the

temperature rises. This can be compared to the rate-of-rise detectors. (RCHD)