TFM 12 FIRE ALARM TECHNICAL ACTUAL
EXAM PAPER 2026 QUESTIONS WITH
ANSWERS GRADED A+
• What does PLFA stand for?.
Answer: Power Limited Fire Alarm
• What does NPLFA stand for?.
Answer: Non Power Limited Fire Alarm
• Does a fire hood system and a kitchen need to be monitored by the fire
alarm system?.
Answer: Yes
• What material must NPLFA circuit conductors be made from.
Answer: Only solid or stranded copper is permitted
• What is a single station detector?.
Answer: Battery powered smoke detectors that do not communicate off
premises.
• What is a multiple station detector?.
Answer: Mains powered smoke detectors with battery backup that are linked
together, so that if one unit initiates, alarms in all detectors will sound. They
do not communicate off premises.
• What does P.L.F.A stand for?.
Answer: Power Limited Fire Alarm
• How frequently must household single and multiple single station detectors
be inspected and tested?.
Answer: In accordance with the manufactures recommendations, at least
monthly.
• How frequently must household single and multiple station detectors be
inspected and tested?.
, Answer: At least 3 years, by a qualified service technician.
• How frequently must heat detectors be tested?.
Answer: Two or more annually, different detectors must be tested each year,
and within 5 years all detectors must have been tested.
• What does "restorable" mean?.
Answer: The detector can be "restored" or "reused" after it has initiated.
• What does N.P.L.F.A stand for?.
Answer: Non-Power Limited Fire Alarm
• What is the difference between P.F.L.A and N.P.F.L.A? a P.L.F.A has the
voltage and power limited by a listed power source..
Answer: an N.P.L.F.A can operate at up to 600v, and the power output isn't
limited
• What does "non-restorable" mean?.
Answer: The detector cannot be 're-used" after it has initiated an alarm.
(Think of a heat detector, which self destructs upon initiating.)
• What material must N.P.F.L.A circuit conductors be made from?.
Answer: ONLY solid stranded copper is permitted.
• What size conductors are permitted?.
Answer: Size 18 AWG and 16 AWG are permitted, provided they do not
exceed certain rated ampacities
• What does A.W.G stand for?.
Answer: American Wire Gauge
• What size conductors are permitted?.
Answer: 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?.
Answer: An over-current device not rated over 20 amperes.
, • What is used to protect transformers or other devices supplied from
power-supply conductors?.
Answer: An overcurrent device not rated over 20 Amperes
• When located within 7ft of the floor, how shall cables be fastened?.
Answer: Cables shall be fastened in an approved manner at intervals of not
more than 18 inches.
• When located within 7 feet of the floor, how shall cables be fastened?.
Answer: 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?.
Answer: 18
• Single conductors shall not be smaller that ___ AWG?.
Answer: 18
• Conductors of 26AWG shall only be permitted in which circumstances?.
Answer: Where spliced with a connector listed as suitable for 26 to 24
AWG.
• Conductors of 28 A.W.G shall only be permitted in which circumstance?.
Answer: Spliced with a connector listed as suitable for 26 to 24 A.W.G
• How shall P.F.L.A conductors NOT be installed?.
Answer: P.F.L.A conductors shall not be strapped, taped, or attached to the
exterior of any conduit or raceway.
• How should PLFA conductors NOT be installed?.
Answer: PLFA conductors shall not be strapped, taped or attached to the
exterior of any conduit or raceway.
• What is Plenum cable?.
Answer: Cable that can be installed in ducts, plenums, or other spaces used
for environmental air.
• What is Plenum cable? What are its characteristics?.
Answer: Cable that can be installed in ducts, plenums or other spaces used
EXAM PAPER 2026 QUESTIONS WITH
ANSWERS GRADED A+
• What does PLFA stand for?.
Answer: Power Limited Fire Alarm
• What does NPLFA stand for?.
Answer: Non Power Limited Fire Alarm
• Does a fire hood system and a kitchen need to be monitored by the fire
alarm system?.
Answer: Yes
• What material must NPLFA circuit conductors be made from.
Answer: Only solid or stranded copper is permitted
• What is a single station detector?.
Answer: Battery powered smoke detectors that do not communicate off
premises.
• What is a multiple station detector?.
Answer: Mains powered smoke detectors with battery backup that are linked
together, so that if one unit initiates, alarms in all detectors will sound. They
do not communicate off premises.
• What does P.L.F.A stand for?.
Answer: Power Limited Fire Alarm
• How frequently must household single and multiple single station detectors
be inspected and tested?.
Answer: In accordance with the manufactures recommendations, at least
monthly.
• How frequently must household single and multiple station detectors be
inspected and tested?.
, Answer: At least 3 years, by a qualified service technician.
• How frequently must heat detectors be tested?.
Answer: Two or more annually, different detectors must be tested each year,
and within 5 years all detectors must have been tested.
• What does "restorable" mean?.
Answer: The detector can be "restored" or "reused" after it has initiated.
• What does N.P.L.F.A stand for?.
Answer: Non-Power Limited Fire Alarm
• What is the difference between P.F.L.A and N.P.F.L.A? a P.L.F.A has the
voltage and power limited by a listed power source..
Answer: an N.P.L.F.A can operate at up to 600v, and the power output isn't
limited
• What does "non-restorable" mean?.
Answer: The detector cannot be 're-used" after it has initiated an alarm.
(Think of a heat detector, which self destructs upon initiating.)
• What material must N.P.F.L.A circuit conductors be made from?.
Answer: ONLY solid stranded copper is permitted.
• What size conductors are permitted?.
Answer: Size 18 AWG and 16 AWG are permitted, provided they do not
exceed certain rated ampacities
• What does A.W.G stand for?.
Answer: American Wire Gauge
• What size conductors are permitted?.
Answer: 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?.
Answer: An over-current device not rated over 20 amperes.
, • What is used to protect transformers or other devices supplied from
power-supply conductors?.
Answer: An overcurrent device not rated over 20 Amperes
• When located within 7ft of the floor, how shall cables be fastened?.
Answer: Cables shall be fastened in an approved manner at intervals of not
more than 18 inches.
• When located within 7 feet of the floor, how shall cables be fastened?.
Answer: 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?.
Answer: 18
• Single conductors shall not be smaller that ___ AWG?.
Answer: 18
• Conductors of 26AWG shall only be permitted in which circumstances?.
Answer: Where spliced with a connector listed as suitable for 26 to 24
AWG.
• Conductors of 28 A.W.G shall only be permitted in which circumstance?.
Answer: Spliced with a connector listed as suitable for 26 to 24 A.W.G
• How shall P.F.L.A conductors NOT be installed?.
Answer: P.F.L.A conductors shall not be strapped, taped, or attached to the
exterior of any conduit or raceway.
• How should PLFA conductors NOT be installed?.
Answer: PLFA conductors shall not be strapped, taped or attached to the
exterior of any conduit or raceway.
• What is Plenum cable?.
Answer: Cable that can be installed in ducts, plenums, or other spaces used
for environmental air.
• What is Plenum cable? What are its characteristics?.
Answer: Cable that can be installed in ducts, plenums or other spaces used
