TFM 12 Fire Alarm Technical Test with
100% Correct Answers REVISED &
VERIFIED|| LATEST UPDATE 2026/27
Does a fire hood system and a kitchen need to be monitored by the fire alarm system? -
CORRECTANSWER Yes
What does P.L.F.A stand for? -CORRECTANSWER Power Limited Fire Alarm
What does N.P.L.F.A stand for? -CORRECTANSWER Non-Power Limited Fire Alarm
What is the difference between P.F.L.A and N.P.F.L.A? -CORRECTANSWER 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? -CORRECTANSWER
ONLY solid stranded copper is permitted.
What does A.W.G stand for? -CORRECTANSWER American Wire Gauge
,What size conductors are permitted? -CORRECTANSWER 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? -CORRECTANSWER An over-current device not rated over 20 amperes.
When located within 7 feet of the floor, how shall cables be fastened? -
CORRECTANSWER 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? -CORRECTANSWER 18
Conductors of 28 A.W.G shall only be permitted in which circumstance? -
CORRECTANSWER Spliced with a connector listed as suitable for 26 to 24 A.W.G
How shall P.F.L.A conductors NOT be installed? -CORRECTANSWER P.F.L.A
conductors shall not be strapped, taped, or attached to the exterior of any conduit or
raceway.
What is Plenum cable? -CORRECTANSWER Cable that can be installed in ducts,
plenums, or other spaces used for environmental air.
, What is a Riser cable? -CORRECTANSWER 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? -CORRECTANSWER 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? -
CORRECTANSWER 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? -CORRECTANSWER
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? -
CORRECTANSWER Power Limited Fire Alarm (F.P.L) C.M.P, F.P.L.P, C.M.R, F.P.L.R,
C.M.G
100% Correct Answers REVISED &
VERIFIED|| LATEST UPDATE 2026/27
Does a fire hood system and a kitchen need to be monitored by the fire alarm system? -
CORRECTANSWER Yes
What does P.L.F.A stand for? -CORRECTANSWER Power Limited Fire Alarm
What does N.P.L.F.A stand for? -CORRECTANSWER Non-Power Limited Fire Alarm
What is the difference between P.F.L.A and N.P.F.L.A? -CORRECTANSWER 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? -CORRECTANSWER
ONLY solid stranded copper is permitted.
What does A.W.G stand for? -CORRECTANSWER American Wire Gauge
,What size conductors are permitted? -CORRECTANSWER 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? -CORRECTANSWER An over-current device not rated over 20 amperes.
When located within 7 feet of the floor, how shall cables be fastened? -
CORRECTANSWER 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? -CORRECTANSWER 18
Conductors of 28 A.W.G shall only be permitted in which circumstance? -
CORRECTANSWER Spliced with a connector listed as suitable for 26 to 24 A.W.G
How shall P.F.L.A conductors NOT be installed? -CORRECTANSWER P.F.L.A
conductors shall not be strapped, taped, or attached to the exterior of any conduit or
raceway.
What is Plenum cable? -CORRECTANSWER Cable that can be installed in ducts,
plenums, or other spaces used for environmental air.
, What is a Riser cable? -CORRECTANSWER 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? -CORRECTANSWER 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? -
CORRECTANSWER 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? -CORRECTANSWER
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? -
CORRECTANSWER Power Limited Fire Alarm (F.P.L) C.M.P, F.P.L.P, C.M.R, F.P.L.R,
C.M.G
