Fire Alarm Systems Flashcards
6 cards from real NICET practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Fire Alarm Systems flashcards as text
What is the purpose of a Notification Appliance Circuit (NAC) in a fire alarm system?
Answer: To power and supervise alarm notification devices
A NAC powers and supervises alarm notification appliances such as horns, strobes, and speakers.
Under NFPA 72, how often must a fire alarm control unit receive a battery load test?
Answer: Annually
NFPA 72 requires an annual battery load test on the fire alarm control unit to verify adequate standby power capacity.
What does a Class A wiring configuration provide that a Class B configuration does not?
Answer: Fault tolerance that maintains circuit operation after a single open fault
Class A wiring is looped back to the panel, allowing the circuit to continue operating after a single open-circuit fault.
Which NICET fire alarm certification program work element covers system design?
Answer: Work Element 5001
Work Element 5001 covers fire alarm system design within the NICET fire alarm certification program.
What type of signal does a water flow switch in a sprinkler system generate at the fire alarm panel?
Answer: Alarm signal
A water flow switch generates an alarm signal because water flowing in the sprinkler system indicates a fire condition or system activation.
When installing a smoke detector near an HVAC supply vent, what is the minimum required distance from the vent?
Answer: 3 feet
NFPA 72 requires smoke detectors to be placed at least 3 feet from HVAC supply air vents to prevent nuisance alarms from air turbulence.