Key Terms in Fire Alarm Systems

A fire alarm system component with discrete identification that can have its status individually identified or used to control other functions.

Any condition occurring in communications or transmission of status change signals at a supervising station.

<p>An alarm box that can only be operated from one or more initiating devices or an auxiliary alarm system used to send an alarm.</p> Signup and view all the answers

<p>A manually operated device used to initiate a fire alarm signal.</p> Signup and view all the answers

<p>Methods of alerting people to potential dangers.</p> Signup and view all the answers

<p>A feature that reduces unwanted alarms by requiring smoke detectors to confirm alarm conditions over a set period.</p> Signup and view all the answers

<p>A unit containing indicators that provide status information about a circuit, condition, or location.</p> Signup and view all the answers

<p>Approved sounding devices like horns, bells, or speakers indicating a fire or emergency condition.</p> Signup and view all the answers

<p>The upper surface of a space, regardless of height.</p> Signup and view all the answers

<p>A ceiling that has a slope of more than 1 in 8.</p> Signup and view all the answers

<p>A smooth ceiling is uninterrupted by continuous projections such as solid joists or beams extended more than 4 inches below the ceiling surface.</p> Signup and view all the answers

<p>An off-premises facility that monitors alarm systems and notifies the fire department.</p> Signup and view all the answers

<p>A means of providing power or a connection path between locations.</p> Signup and view all the answers

<p>A type of air-sampling detector capable of detecting microscopic particles of smoke.</p> Signup and view all the answers

<p>An audible or visible signal that conveys several discrete bits of information.</p> Signup and view all the answers

<p>A device that responds to more than one fire condition or employs multiple operating principles.</p> Signup and view all the answers

<p>A situation, environmental state, or equipment state that demands a signal, notification, or action.</p> Signup and view all the answers

<p>An abnormal condition that poses an immediate threat to life, property, or mission.</p> Signup and view all the answers

<p>An abnormal condition that poses an immediate threat to life or property but time is available for intervention.</p> Signup and view all the answers

<p>An abnormal condition related to the supervision of other systems, processes, or equipment.</p> Signup and view all the answers

<p>An abnormal condition in a system due to a fault.</p> Signup and view all the answers

<p>It monitors inputs and controls outputs through various types of circuits.</p> Signup and view all the answers

<p>A system component that processes signals from initiating devices and activates outputs.</p> Signup and view all the answers

<p>A device that responds to a physical stimulus such as gas, heat, or smoke.</p> Signup and view all the answers

<p>A detector that consists of a piping or tubing network running to the area to be protected.</p> Signup and view all the answers

<p>Devices that detect fires by sensing significant increases in temperature.</p> Signup and view all the answers

<p>A device in which detection is continuous along a path.</p> Signup and view all the answers

<p>Responds when the temperature reaches a predetermined level, regardless of temperature rise rate.</p> Signup and view all the answers

<p>Responds when the temperature rises at a rate exceeding a predetermined value.</p> Signup and view all the answers

<p>An alarm-initiating device designed to actuate when detecting combustion products.</p> Signup and view all the answers

<p>A detection device that provides coverage in a specific area with a fixed sensing element.</p> Signup and view all the answers

<p>A device that takes output signals from the fire alarm system and encodes them for transmission.</p> Signup and view all the answers

<p>A device that receives, decodes, and communicates signals from a DACT.</p> Signup and view all the answers

<p>One or more rooms arranged for complete, independent housekeeping purposes.</p> Signup and view all the answers

<p>A system of devices using a fire alarm control unit to produce an alarm signal in a household.</p> Signup and view all the answers

<p>A fire alarm system located at the protected premises.</p> Signup and view all the answers

<p>A component that originates transmission of a change-of-state condition.</p> Signup and view all the answers

<p>A device in which the sensing element is destroyed during operation.</p> Signup and view all the answers

<p>A device where the sensing element is not ordinarily destroyed, allowing restoration.</p> Signup and view all the answers

<p>A type of smoke detector using a small amount of radioactive material to detect smoke.</p> Signup and view all the answers

<p>A system that notifies occupants of a dangerous situation with information and instructions.</p> Signup and view all the answers

<p>An alarm system where all detectors are interconnected for simultaneous notifications.</p> Signup and view all the answers

<p>A form of transmission that allows multiple signals to travel simultaneously over a circuit.</p> Signup and view all the answers

<p>Audible notifications like bells, horns, and chimes; visible notifications like strobes.</p> Signup and view all the answers

<p>A notification appliance that alerts by the sense of sight.</p> Signup and view all the answers

<p>An indication of a condition communicated by electrical, audible, or other means.</p> Signup and view all the answers

<p>A signal that results from the manual or automatic detection of an alarm condition.</p> Signup and view all the answers

<p>A signal resulting from the manual or automatic detection of a fire alarm condition.</p> Signup and view all the answers

<p>A signal resulting from the detection of a supervisory condition indicating the need for action.</p> Signup and view all the answers

<p>A signal that results from detecting a trouble condition.</p> Signup and view all the answers

<p>A circuit path between any combination of addressable appliances or devices.</p> Signup and view all the answers

<p>Sensors that detect smoke by scattering light particles with smoke presence.</p> Signup and view all the answers

<p>Any alarm that occurs not due to a hazardous condition.</p> Signup and view all the answers

<p>An unwanted activation of a signaling system not resulting from a hazardous condition.</p> Signup and view all the answers

<p>Unwanted activation of an alarm caused by a person acting with malice.</p> Signup and view all the answers

<p>A defined area within the protected premises.</p> Signup and view all the answers

<p>A discrete area of a building bound by fire safety subdivisions for receiving notifications.</p> Signup and view all the answers