TFM 12 FIRE ALARM TECHNICAL
COMPREHENSIVE STUDY GUIDE 2026 FULL
QUESTIONS AND SOLUTIONS GRADED A+
• Does a fire hood system and a kitchen need to be monitored by the fire
alarm system?.
Answer: Yes
• Does a fire hood system and a kitchen need to be monitored by the fire
alarm system?.
Answer: Yes
• What does P.L.F.A stand for?.
Answer: Power Limited Fire Alarm
• What does N.P.L.F.A stand for?.
Answer: Non-Power Limited Fire Alarm
• What does P.L.F.A stand for?.
Answer: Power Limited Fire Alarm
• What does N.P.L.F.A stand for?.
Answer: Non-Power Limited Fire Alarm
• What is the difference between P.L.F.A and N.P.L.F.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 material must N.P.L.F.A circuit conductors be made from?.
Answer: ONLY solid stranded copper is permitted.
• 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 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 material must N.P.F.L.A circuit conductors be made from?.
Answer: ONLY solid stranded copper is permitted.
• What is used to protect transformers or other devices supplied from
power-supply conductors?.
Answer: An over-current device not rated over 20 amperes.
• 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.
• What does A.W.G stand for?.
Answer: American Wire Gauge
• Single conductors shall not be smaller than ___ A.W.G?.
Answer: 18
• 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
• 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.
• How shall P.L.F.A conductors NOT be installed?.
Answer: P.L.F.A conductors shall not be strapped, taped, or attached to the
exterior of any conduit or raceway.
• What is used to protect transformers or other devices supplied from
power-supply conductors?.
Answer: An over-current device not rated over 20 amperes.
, • 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
• 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
• What is Plenum cable?.
Answer: Cable that can be installed in ducts, plenums, or other spaces used
for environmental air.
• 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.
• What is a Riser cable? It is capable of preventing fire from rising from floor
to floor..
Answer: Cable to be used in vertical wire runs in shafts between floors. Not
to be used where Plenum cable is required.
• What is general purpose cable? It is resistant to the spread of fire..
Answer: Cable for general purpose fire alarm use. Not to be used where
plenum cable or riser cable is required.
• What is Plenum cable?.
Answer: Cable that can be installed in ducts, plenums, or other spaces used
for environmental air.
• What is a Riser cable? It is capable of preventing fire from rising from floor
to floor..
Answer: Cable to be used in vertical wire runs in shafts between floors. Not
to be used where Plenum cable is required.
• What is general purpose cable? It is resistant to the spread of fire..
Answer: Cable for general purpose fire alarm use. Not to be used where
COMPREHENSIVE STUDY GUIDE 2026 FULL
QUESTIONS AND SOLUTIONS GRADED A+
• Does a fire hood system and a kitchen need to be monitored by the fire
alarm system?.
Answer: Yes
• Does a fire hood system and a kitchen need to be monitored by the fire
alarm system?.
Answer: Yes
• What does P.L.F.A stand for?.
Answer: Power Limited Fire Alarm
• What does N.P.L.F.A stand for?.
Answer: Non-Power Limited Fire Alarm
• What does P.L.F.A stand for?.
Answer: Power Limited Fire Alarm
• What does N.P.L.F.A stand for?.
Answer: Non-Power Limited Fire Alarm
• What is the difference between P.L.F.A and N.P.L.F.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 material must N.P.L.F.A circuit conductors be made from?.
Answer: ONLY solid stranded copper is permitted.
• 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 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 material must N.P.F.L.A circuit conductors be made from?.
Answer: ONLY solid stranded copper is permitted.
• What is used to protect transformers or other devices supplied from
power-supply conductors?.
Answer: An over-current device not rated over 20 amperes.
• 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.
• What does A.W.G stand for?.
Answer: American Wire Gauge
• Single conductors shall not be smaller than ___ A.W.G?.
Answer: 18
• 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
• 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.
• How shall P.L.F.A conductors NOT be installed?.
Answer: P.L.F.A conductors shall not be strapped, taped, or attached to the
exterior of any conduit or raceway.
• What is used to protect transformers or other devices supplied from
power-supply conductors?.
Answer: An over-current device not rated over 20 amperes.
, • 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
• 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
• What is Plenum cable?.
Answer: Cable that can be installed in ducts, plenums, or other spaces used
for environmental air.
• 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.
• What is a Riser cable? It is capable of preventing fire from rising from floor
to floor..
Answer: Cable to be used in vertical wire runs in shafts between floors. Not
to be used where Plenum cable is required.
• What is general purpose cable? It is resistant to the spread of fire..
Answer: Cable for general purpose fire alarm use. Not to be used where
plenum cable or riser cable is required.
• What is Plenum cable?.
Answer: Cable that can be installed in ducts, plenums, or other spaces used
for environmental air.
• What is a Riser cable? It is capable of preventing fire from rising from floor
to floor..
Answer: Cable to be used in vertical wire runs in shafts between floors. Not
to be used where Plenum cable is required.
• What is general purpose cable? It is resistant to the spread of fire..
Answer: Cable for general purpose fire alarm use. Not to be used where
