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79 Cards in this Set
- Front
- Back
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A device that accelerates the removal of the air from a dry-pipe or preaction sprinkler system.
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Accelerator
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A system that captures a sample of air from a room or enclosed space and passes it through a smoke detection or gas analysis device.
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Air sampling detector
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An automatic or manually operated device in a fire alarm system that, when activated, causes the system to indicate an alarm condition.
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Alarm initiation device
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An audible and/or visual device in a fire alarm system that makes occupants or other persons aware of an alarm condition
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Alarm notification device
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A valve that signals an alarm when a sprinkler head is activated and prevents nuisance alarms caused by pressure variations.
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Alarm valve
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The working ends of a sprinkler system. They serve to activate the system and to apply water to the fire
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Automatic sprinkler heads
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A system of pipes filled with water under pressure that discharges water immediately when a sprinkler head opens.
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Automatic sprinkler system
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A fire alarm system that sounds an alarm in the building and transmits a signal to the fire department via a public alarm box system.
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Auxiliary system
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A smoke detection device that projects a narrow beam of light across a large open area from a sending unit to a receiving unit. When the beam is interrupted by smoke, the receiver detects a reduction in light transmission and activates the fire alarm
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Beam detector
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A device with components made from two distinct metals that respond differently to heat. When heated, the metals will bend or change shape.
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Bimetallic strip
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A device with components made from two distinct metals that respond differently to heat. When heated, the metals will bend or change shape.
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Bimetallic strip
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A fire suppression system that is designed to protect either a single room or series of rooms by flooding the area with carbon dioxide.
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Carbon dioxide extinguishing system
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An off-premises facility that monitors alarm systems and is responsible for notifying the fire department of an alarm. These facilities may be geographically located some distance from the protected building(s).
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Central station
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A sprinkler head activated by a chemical pellet that liquefies at a preset temperature.
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Chemical-pellet sprinkler head
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A mechanical device installed within a piping system that allows water to flow in only one direction.
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Clapper valve
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A standpipe system designed for use by fire department personnel only. Each outlet should have a valve to control the flow of water and a 2?-inch male coupling for fire hose.
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Class I standpipe
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A standpipe system designed for use by occupants of a building only. Each outlet is generally equipped with a length of 1?-inch single-jacket hose and a nozzle, which are preconnected to the system.
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Class II standpipe
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A combination system that has features of both Class I and Class II standpipes.
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Class III standpipe
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A fire alarm system design that divides a building or facility into zones and has audible notification devices that can be used to identify the area where an alarm originated.
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Coded system
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A fire alarm system that requires activation of two separate detection devices before initiating an alarm condition. If a single detection device is activated, the alarm control panel will usually show a problem or trouble condition
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Cross-zoned system
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A sprinkler head that has no release mechanism; the orifice is always open.
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Deluge head
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A sprinkler system in which all sprinkler heads are open. When an initiation device, such as a smoke detector or heat detector, is activated, the deluge valve opens and water discharges from all of the open sprinkler heads simultaneously.
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Deluge sprinkler system
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A valve assembly designed to release water into a sprinkler system when an external initiation device is activated.
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Deluge valve
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A manual fire alarm activation device that requires two steps to activate the alarm. The person must push in a flap, lift a cover, or break a piece of glass before activating the alarm.
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Double-action pull-station
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An automatic fire extinguishing system that discharges a dry chemical agent.
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Dry chemical extinguishing system
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A sprinkler system in which the pipes are normally filled with compressed air. When a sprinkler head is activated, it releases the air from the system, which opens a valve so the pipes can fill with water.
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Dry sprinkler system
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The valve assembly on a dry sprinkler system that prevents water from entering the system until the air pressure is released.
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Dry-pipe valve
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A sprinkler head designed to react quickly and suppress a fire in its early stages
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Early-suppression fast-response sprinkler head
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A device that accelerates the removal of the air from a dry-pipe or preaction sprinkler system
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Exhauster
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The activation of a fire alarm system when there is no fire or emergency condition.
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False alarm
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The component in a fire alarm system that controls the functions of the entire system.
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Fire alarm control panel
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A fire hose connection through which the fire department can pump water into a sprinkler system or standpipe system.
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Fire department connection (FDC)
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A sensing device that responds when its operating element is heated to a predetermined temperature.
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Fixed-temperature heat detector
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A sensing device that detects the radiant energy emitted by a flame.
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Flame detector
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An electrical switch that is activated by water moving through a pipe in a sprinkler system.
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Flow switch
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A sprinkler head with a liquid-filled bulb. The sprinkler head activates when the liquid is heated and the glass bulb breaks.
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Frangible-bulb sprinkler head
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A sprinkler head with an activation mechanism that incorporates two pieces of metal held together by low-melting-point solder. When the solder melts, it releases the link and water begins to flow.
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Fusible-link sprinkler head
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A device that detects and/or measures the concentration of dangerous gases.
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Gas detector
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A liquefied gas extinguishing agent that puts out a fire by chemically interrupting the combustion reaction between fuel and oxygen. These agents leave no residue
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Halon 1301
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A fire alarm device that detects abnormally high temperature, an abnormally high rate-of-rise in temperature, or both
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Heat detector
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A device containing a small amount of radioactive material that ionizes the air between two charged electrodes to sense the presence of smoke particles.
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Ionization smoke detector
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Wire or tubing that can be strung along the ceiling of large open areas to detect an increase in heat.
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Line detector
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A fire alarm system that sounds an alarm only in the building where it was activated. No signal is sent out of the building
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Local alarm system
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A fire alarm signal when there is no fire, usually initiated by individuals who wish to cause a disturbance
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Malicious false alarm
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A device with a switch that either opens or closes a circuit, activating the fire alarm
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Manual pull-station
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An alarm system in which audible notification devices can be used for multiple purposes, not just for the fire alarm
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Master-coded alarm
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An alarm system that provides no information at the alarm control panel indicating where the activated alarm is located
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Noncoded alarm
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A fire alarm signal caused by malfunction or improper operation of a fire alarm system or component
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Nuisance alarm
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A measure of the percentage of light transmission that is blocked between a sender and a receiver unit.
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Obscuration rate
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A sprinkler control valve with a valve stem that moves in and out as the valve is opened or closed.
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Outside stem and yoke (OS&Y) valve
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A sprinkler head designed to be mounted on the underside of sprinkler piping so that the water stream is directed down.
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Pendant sprinkler head
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A device to detect visible products of combustion using a light source and a photosensitive sensor
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Photoelectric smoke detector
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A sprinkler control valve with an indicator that reads either open or shut depending on its position.
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Post indicator valve (PIV)
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-- A dry sprinkler system that uses a deluge valve instead of a dry-pipe valve and requires activation of a secondary device before the pipes will fill with water.
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Preaction sprinkler system
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A fire alarm system that transmits a signal to a monitoring location owned and operated by the facility?s owner.
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Proprietary system
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A fire detection device that responds when the temperature rises at a rate that exceeds a predetermined value.
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Rate-of-rise heat detector
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A secondary fire alarm control panel in a different location than the main alarm panel; it is usually located near the front door of a building.
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Remote annunciator
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A fire alarm system that sounds an alarm in the building and transmits a signal to the fire department or an off-premises monitoring location.
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Remote station system
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A sprinkler system designed to protect dwelling units.
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Residential sprinkler system
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A sprinkler that is mounted on a wall and discharges water horizontally into a room.
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Sidewall sprinkler head
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A manual fire alarm activation device that takes a single step?such as moving a lever, toggle, or handle?to activate the alarm
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Single-action pull-station
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A single device that both detects visible and invisible products of combustion and sounds an alarm
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Single-station smoke alarm
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A device that detects smoke and sends a signal to a fire alarm control panel.
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Smoke detector
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A single heat-detector device; these devices are often spaced throughout an area.
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Spot detector
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The network of piping in a sprinkler system that delivers water to the sprinkler heads
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Sprinkler piping
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An arrangement of piping, valves, and hose connections installed in a structure to deliver water for fire hoses.
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Standpipe system
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An alarm that is sounded when the clear plastic cover of a pull station is lifted to prevent malicious false alarms.
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Tamper alarm
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A switch on a sprinkler valve that transmits a signal to the fire alarm control panel if the normal position of the valve is changed
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Tamper switch
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A standard fire alarm audible signal for alerting occupants of a building
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Temporal-3 pattern
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A fire alarm signal caused by a device reacting properly to a condition that is not a true fire emergency
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Unwanted alarm
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A sprinkler head designed to be installed on top of the supply piping; it is usually marked SSU (?standard spray upright?).
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Upright sprinkler head
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A fire alarm system that does not immediately initiate an alarm condition when a smoke detector activates. The system will wait a preset interval, generally 30 to 60 seconds, before checking the detector again. If the condition is clear, the system returns to normal status. If the detector is still sensing smoke, the system activates the fire alarm.
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Verification system
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A sprinkler control valve that is mounted on the outside wall of a building. The position of the indicator tells whether the valve is open or shut.
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Wall post indicator valve
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An audible alarm notification device that is powered by water moving through the sprinkler system
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Water-motor gong
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An extinguishing system that discharges a proprietary liquid extinguishing agent
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Wet chemical extinguishing systems
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A sprinkler system in which the pipes are normally filled with water.
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Wet sprinkler system
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A fire alarm system that indicates which zone was activated both on the alarm control panel and through a coded audio signal.
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Zoned coded alarm
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A fire alarm system that indicates the activated zone on the alarm control panel.
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Zoned noncoded alarm
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A fire alarm system design that divides a building or facility into zones so that the area where an alarm originated can be identified
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Zoned system
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