Fire Alarm System I - Chapter 2 Review:
Fundamentals and Requirements Exam
Actual Questions and Answers 2026
What three signals do fire alarm systems produce? -
correct answer ✅Alarm, supervisory, and trouble.
What signal would an open or ground cause on a fire alarm system?
-
correct answer ✅Trouble.
What does an alarm signal indicate? -
correct answer ✅A fire or other life-threatening emergency.
What signal will a valve tamper switch produce when activated? -
correct answer ✅Supervisory.
Duct smoke detectors that are not constantly attended must
produce what signal? -
correct answer ✅Supervisory.
What conditions are Emergency Communications Systems (ECS)
used to warn occupants about? -
correct answer ✅Fire, terrorist attacks, tornado, and anything else
threatening life safety.
, Fire Alarm System I - Chapter 2 Review:
Fundamentals and Requirements Exam
Actual Questions and Answers 2026
What section of NFPA 72 requires all circuits be monitored for
integrity? -
correct answer ✅12.6.1
Wiring between enclosures is not required to be monitored for
integrity when the enclosures are less than ____ apart and the
wiring is ____ -
correct answer ✅20 feet\\\installed in conduit.
What are the three main types of fire alarm circuits? -
correct answer ✅NAC (Notifying Appliance Circuit), IDC (Initiating
Device Circuit), SLC (Signaling Line Circuit).
How are IDCs and NACs monitored for integrity? -
correct answer ✅A small current is circulated through the circuit
and EOL device providing a means of monitoring.
What can cause failure to monitor a devices circuit for integrity? -
correct answer ✅T-Tapping
Fundamentals and Requirements Exam
Actual Questions and Answers 2026
What three signals do fire alarm systems produce? -
correct answer ✅Alarm, supervisory, and trouble.
What signal would an open or ground cause on a fire alarm system?
-
correct answer ✅Trouble.
What does an alarm signal indicate? -
correct answer ✅A fire or other life-threatening emergency.
What signal will a valve tamper switch produce when activated? -
correct answer ✅Supervisory.
Duct smoke detectors that are not constantly attended must
produce what signal? -
correct answer ✅Supervisory.
What conditions are Emergency Communications Systems (ECS)
used to warn occupants about? -
correct answer ✅Fire, terrorist attacks, tornado, and anything else
threatening life safety.
, Fire Alarm System I - Chapter 2 Review:
Fundamentals and Requirements Exam
Actual Questions and Answers 2026
What section of NFPA 72 requires all circuits be monitored for
integrity? -
correct answer ✅12.6.1
Wiring between enclosures is not required to be monitored for
integrity when the enclosures are less than ____ apart and the
wiring is ____ -
correct answer ✅20 feet\\\installed in conduit.
What are the three main types of fire alarm circuits? -
correct answer ✅NAC (Notifying Appliance Circuit), IDC (Initiating
Device Circuit), SLC (Signaling Line Circuit).
How are IDCs and NACs monitored for integrity? -
correct answer ✅A small current is circulated through the circuit
and EOL device providing a means of monitoring.
What can cause failure to monitor a devices circuit for integrity? -
correct answer ✅T-Tapping