Manual fire alarm activation is typically achieved through the use of a pull station (USA & Canada) or call point (Europe, Australia, and Asia), which then sounds the
evacuation alarm for the relevant building or zone. Manual fire alarm activation requires
human
Humans (''Homo sapiens'') are the most abundant and widespread species of primate, characterized by bipedalism and exceptional cognitive skills due to a large and complex brain. This has enabled the development of advanced tools, culture, ...
intervention, as distinct from automatic fire alarm activation such as that provided through the use of
heat detector
A heat detector is a fire alarm device designed to respond when the convected thermal energy of a fire increases the temperature of a heat sensitive element. The thermal mass and conductivity of the element regulate the rate flow of heat into th ...
s and
smoke detector
A smoke detector is a device that senses smoke, typically as an indicator of fire. Smoke detectors are usually housed in plastic enclosures, typically shaped like a disk about in diameter and thick, but shape and size vary. Smoke can be detecte ...
s. It is, however, possible for call points/pull stations to be used in conjunction with automatic detection as part of the overall
fire detection and alarm system. Systems in completed
building
A building, or edifice, is an enclosed structure with a roof and walls standing more or less permanently in one place, such as a house or factory (although there's also portable buildings). Buildings come in a variety of sizes, shapes, and fun ...
s tend to be wired in and include a control panel. Systems for use during construction can also be wireless or mechanical, it is recommended by the Structural Timber Association in the UK that for timber-framed constructions, interconnecting wireless systems be used.
Fire alarm pull station
A fire alarm pull station is an