NFPA 72 Fire Alarm System Key Concepts and
Testing Procedures Questions with Verified
Correct Answers
What is the full title of NFPA 72?
National Fire Alarm and Signaling Code
What does NFPA stand for?
National Fire Protection Association
What is the AHJ?
Authority Having Jurisdiction: the organization or person (often fire marshal/inspector) who
enforces the code and approves equipment and installations
What is a FACP?
Fire alarm control panel (control unit)
What is a NAC?
Notification appliance circuit: wiring that powers horns, strobes, and speakers
What is an IDC?
Initiating device circuit: wiring that connects initiating devices such as detectors and pull
stations
What is an SLC?
Signaling line circuit: carries data between the panel and addressable devices
What is an EOL?
End-of-line device (usually a resistor) that lets the panel supervise the wiring
, What is an alarm signal?
A signal indicating an emergency that requires immediate action, such as a fire
What is a trouble signal?
A signal indicating a fault in a monitored circuit or component
What is a supervisory signal?
A signal indicating the need for action related to supervision of fire suppression systems or
equipment (e.g., a closed sprinkler valve)
What is an initiating device?
A device that starts a signal at the panel: smoke detector, heat detector, pull station,
waterflow switch, etc.
What is a notification appliance?
A device that alerts occupants: horn, strobe, speaker, chime, bell
What is an addressable device?
A device with its own address so the panel identifies exactly which device is in alarm or
trouble
What is a conventional (zone) system?
Devices are grouped on zones; the panel shows which zone is in alarm but not the exact
device
What is an annunciator?
A remote display showing the status and location of alarm, trouble, and supervisory
conditions
Testing Procedures Questions with Verified
Correct Answers
What is the full title of NFPA 72?
National Fire Alarm and Signaling Code
What does NFPA stand for?
National Fire Protection Association
What is the AHJ?
Authority Having Jurisdiction: the organization or person (often fire marshal/inspector) who
enforces the code and approves equipment and installations
What is a FACP?
Fire alarm control panel (control unit)
What is a NAC?
Notification appliance circuit: wiring that powers horns, strobes, and speakers
What is an IDC?
Initiating device circuit: wiring that connects initiating devices such as detectors and pull
stations
What is an SLC?
Signaling line circuit: carries data between the panel and addressable devices
What is an EOL?
End-of-line device (usually a resistor) that lets the panel supervise the wiring
, What is an alarm signal?
A signal indicating an emergency that requires immediate action, such as a fire
What is a trouble signal?
A signal indicating a fault in a monitored circuit or component
What is a supervisory signal?
A signal indicating the need for action related to supervision of fire suppression systems or
equipment (e.g., a closed sprinkler valve)
What is an initiating device?
A device that starts a signal at the panel: smoke detector, heat detector, pull station,
waterflow switch, etc.
What is a notification appliance?
A device that alerts occupants: horn, strobe, speaker, chime, bell
What is an addressable device?
A device with its own address so the panel identifies exactly which device is in alarm or
trouble
What is a conventional (zone) system?
Devices are grouped on zones; the panel shows which zone is in alarm but not the exact
device
What is an annunciator?
A remote display showing the status and location of alarm, trouble, and supervisory
conditions
