TFM 12 FIRE ALARM TECHNICAL ACTUAL
EXAM QUESTIONS WITH VERIFIED
ANSWERS 2026 | Study Guide | A+
• What does P.L.F.A stand for? -✓✓Power Limited Fire Alarm
• What does N.P.L.F.A stand for? -✓✓Non-Power Limited Fire Alarm
• What is the difference between P.F.L.A and N.P.F.L.A? -✓✓an N.P.L.F.A can operate
at up to 600v, and the power output isn't limited
a P.L.F.A has the voltage and power limited by a listed power source.
• What material must N.P.F.L.A circuit conductors be made from? -✓✓ONLY solid
stranded copper is permitted.
• What does A.W.G stand for? -✓✓American Wire Gauge
• What size conductors are permitted? -✓✓Size 18 A.W.G and 16 A.W.G are permitted,
provided they do not exceed certain capacities.
• What is used to protect transformers or other devices supplied from power-supply
conductors? -✓✓An over-current device not rated over 20 amperes.
• When located within 7 feet of the floor, how shall cables be fastened? -✓✓Cables
shall be fastened in an approved manner at intervals of not more than 18 inches.
• Single conductors shall not be smaller than ___ A.W.G? -✓✓18
• Conductors of 28 A.W.G shall only be permitted in which circumstance? -✓✓Spliced
with a connector listed as suitable for 26 to 24 A.W.G
• How shall P.F.L.A conductors NOT be installed? -✓✓P.F.L.A conductors shall not be
strapped, taped, or attached to the exterior of any conduit or raceway.
• What is Plenum cable? -✓✓Cable that can be installed in ducts, plenums, or other
spaces used for environmental air.
• What is a Riser cable? -✓✓Cable to be used in vertical wire runs in shafts between
floors. Not to be used where Plenum cable is required.
, It is capable of preventing fire from rising from floor to floor.
• What is general purpose cable? -✓✓Cable for general purpose fire alarm use. Not to
be used where plenum cable or riser cable is required.
It is resistant to the spread of fire.
• Why 'type' shall plenum cable be? What substitutions are allowed? -✓✓Power Limited
Fire Alarm Plenum (F.P.L.P) C.M.P can be substituted.
• Why 'type' shall riser cable be? What substitutions are allowed? -✓✓Power Limited
Fire Alarm Riser (F.P.L.R) C.M.P, F.P.L.P.
C.M.R can be substituted.
• What 'type' shall general purpose wire be? What substitutions are permitted? -
✓✓Power Limited Fire Alarm (F.P.L) C.M.P, F.P.L.P, C.M.R, F.P.L.R, C.M.G
CM can be substituted (all types)
• What is the maximum voltage permitted through multi-conductor N.P.F.L.A cables? -
✓✓150 volts
• What is the voltage rating marked on P.F.L.A cables? -✓✓Not less than 300 volts
• Shall the voltage rating marked on P.F.L.A cables? -✓✓No, because they may be
mistakenly used for electrical applications.
• What is 'Rate Compensation Detector'? -✓✓A device that responds when a
temperature rises at an exceeding rate that is predetermined.
• What is a 'Smoke Detector'? -✓✓a device that detects both visible and invisible
combustion particles?
• Which detector is best a detecting invisible particles? -✓✓Ionization
• Which sensor is better at detecting thick, visible smoke particles? -✓✓Photoelectric
• What is a SPOT TYPE sensor? -✓✓a device in which detecting an element is
concentrated at a particular location.
• What is a DIGITAL ALARM COMMUNICATOR TRANSMITTER ( D.A.C.T)? -✓✓A
system component at the protected premises is connected to the detection devices. It
has a line seizure and can connect to a D.A.C.R.
EXAM QUESTIONS WITH VERIFIED
ANSWERS 2026 | Study Guide | A+
• What does P.L.F.A stand for? -✓✓Power Limited Fire Alarm
• What does N.P.L.F.A stand for? -✓✓Non-Power Limited Fire Alarm
• What is the difference between P.F.L.A and N.P.F.L.A? -✓✓an N.P.L.F.A can operate
at up to 600v, and the power output isn't limited
a P.L.F.A has the voltage and power limited by a listed power source.
• What material must N.P.F.L.A circuit conductors be made from? -✓✓ONLY solid
stranded copper is permitted.
• What does A.W.G stand for? -✓✓American Wire Gauge
• What size conductors are permitted? -✓✓Size 18 A.W.G and 16 A.W.G are permitted,
provided they do not exceed certain capacities.
• What is used to protect transformers or other devices supplied from power-supply
conductors? -✓✓An over-current device not rated over 20 amperes.
• When located within 7 feet of the floor, how shall cables be fastened? -✓✓Cables
shall be fastened in an approved manner at intervals of not more than 18 inches.
• Single conductors shall not be smaller than ___ A.W.G? -✓✓18
• Conductors of 28 A.W.G shall only be permitted in which circumstance? -✓✓Spliced
with a connector listed as suitable for 26 to 24 A.W.G
• How shall P.F.L.A conductors NOT be installed? -✓✓P.F.L.A conductors shall not be
strapped, taped, or attached to the exterior of any conduit or raceway.
• What is Plenum cable? -✓✓Cable that can be installed in ducts, plenums, or other
spaces used for environmental air.
• What is a Riser cable? -✓✓Cable to be used in vertical wire runs in shafts between
floors. Not to be used where Plenum cable is required.
, It is capable of preventing fire from rising from floor to floor.
• What is general purpose cable? -✓✓Cable for general purpose fire alarm use. Not to
be used where plenum cable or riser cable is required.
It is resistant to the spread of fire.
• Why 'type' shall plenum cable be? What substitutions are allowed? -✓✓Power Limited
Fire Alarm Plenum (F.P.L.P) C.M.P can be substituted.
• Why 'type' shall riser cable be? What substitutions are allowed? -✓✓Power Limited
Fire Alarm Riser (F.P.L.R) C.M.P, F.P.L.P.
C.M.R can be substituted.
• What 'type' shall general purpose wire be? What substitutions are permitted? -
✓✓Power Limited Fire Alarm (F.P.L) C.M.P, F.P.L.P, C.M.R, F.P.L.R, C.M.G
CM can be substituted (all types)
• What is the maximum voltage permitted through multi-conductor N.P.F.L.A cables? -
✓✓150 volts
• What is the voltage rating marked on P.F.L.A cables? -✓✓Not less than 300 volts
• Shall the voltage rating marked on P.F.L.A cables? -✓✓No, because they may be
mistakenly used for electrical applications.
• What is 'Rate Compensation Detector'? -✓✓A device that responds when a
temperature rises at an exceeding rate that is predetermined.
• What is a 'Smoke Detector'? -✓✓a device that detects both visible and invisible
combustion particles?
• Which detector is best a detecting invisible particles? -✓✓Ionization
• Which sensor is better at detecting thick, visible smoke particles? -✓✓Photoelectric
• What is a SPOT TYPE sensor? -✓✓a device in which detecting an element is
concentrated at a particular location.
• What is a DIGITAL ALARM COMMUNICATOR TRANSMITTER ( D.A.C.T)? -✓✓A
system component at the protected premises is connected to the detection devices. It
has a line seizure and can connect to a D.A.C.R.
