TFM 12 FIRE ALARM TECHNICAL CERTIFICATION SCRIPT 2026 QUESTIONS WITH SOLUTIONS GRADED A+

TFM 12 FIRE ALARM TECHNICAL
CERTIFICATION SCRIPT 2026 QUESTIONS
WITH SOLUTIONS GRADED A+

• 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
• 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 N.P.L.F.A stand for?.
Answer: Non-Power Limited Fire Alarm
• What is the difference between NPLFA and PLFA? 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 NPLFA 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 material must N.P.F.L.A circuit conductors be made from?.
Answer: ONLY solid stranded copper is permitted.
• 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.
• 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 size conductors are permitted?.
Answer: Size 18 A.W.G and 16 A.W.G are permitted, provided they do not
exceed certain capacities.
• Single conductors shall not be smaller than ___ A.W.G?.
Answer: 18
• Conductors of 26 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 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 used to protect transformers or other devices supplied from
power-supply conductors?.
Answer: An over-current device not rated over 20 amperes.

, • 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.
• 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 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.
• Why 'type' shall plenum cable be? What substitutions are allowed?.
Answer: 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? C.M.R can
be substituted..
Answer: Power Limited Fire Alarm Riser (F.P.L.R) C.M.P, F.P.L.P.
• What 'type' shall general purpose wire be? What substitutions are permitted?
CM can be substituted (all types).
Answer: Power Limited Fire Alarm (F.P.L) C.M.P, F.P.L.P, C.M.R,
F.P.L.R, C.M.G
• What is the maximum voltage permitted through multi-conductor N.P.F.L.A
cables?.
Answer: 150 volts
• Single conductors shall not be smaller than ___ A.W.G?.
Answer: 18
• What is the voltage rating marked on P.F.L.A cables?.