NFPA 72 Fire Alarm Systems Flashcards
6 cards from real NFPA practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 NFPA 72 Fire Alarm Systems flashcards as text
Under NFPA 72, what is the maximum height above the floor at which a manual pull station may be installed?
Answer: 60 inches
NFPA 72 requires manual pull stations to be mounted between 42 and 60 inches above the finished floor.
According to NFPA 72, how frequently must a fire alarm system receiving central station monitoring be tested?
Answer: Annually
NFPA 72 requires that most fire alarm system components be tested at least annually unless more frequent testing is specified.
Under NFPA 72, a notification appliance circuit (NAC) must be supervised for which of the following conditions?
Answer: Open circuit and ground fault
NFPA 72 requires that notification appliance circuits be monitored for integrity, meaning open circuits and ground faults must be detected.
What does NFPA 72 specify as the maximum travel distance to a manual pull station in an educational occupancy?
Answer: 150 feet
NFPA 72 requires manual pull stations to be located so that travel distance from any point in the protected area does not exceed 200 feet.
Under NFPA 72, which type of detector is best suited for detecting slow, smoldering fires with little visible smoke?
Answer: Photoelectric smoke detector
Photoelectric smoke detectors are most effective at detecting slow, smoldering fires that produce large combustion particles.
According to NFPA 72, what signal must a fire alarm control unit transmit when a detector or device is removed for maintenance?
Answer: Trouble signal
NFPA 72 requires that removal of a detector or initiating device from its base generate a trouble signal at the control unit.