5/11/25, 6:24 PM TFM 12 FIRE ALARM TECHNICAL EXAM WITH COMPLETE SOLUTION |A+ GRADED/NEWEST UPDATE
TFM 12 FIRE ALARM TECHNICAL EXAM WITH
COMPLETE SOLUTION |A+ GRADED/NEWEST
UPDATE
Does a fire hood system Yes
and a kitchen need to be
monitored by the fire
alarm system?
What does P.L.F.A stand Power Limited Fire Alarm
for?
What does N.P.L.F.A stand Non-Power Limited Fire Alarm
for?
an N.P.L.F.A can operate at up to 600v, and the power
What is the difference output isn't limited
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.
What material must ONLY solid stranded copper is permitted.
N.P.F.L.A circuit
conductors be made
from?
What does A.W.G stand American Wire Gauge
for?
What size conductors are Size 18 A.W.G and 16 A.W.G are permitted, provided
permitted? they do not exceed certain capacities.
… 1/16
,5/11/25, 6:24 PM TFM 12 FIRE ALARM TECHNICAL EXAM WITH COMPLETE SOLUTION |A+ GRADED/NEWEST UPDATE
What is used to protect An over-current device not rated over 20 amperes.
transformers or other
devices supplied from
power-supply
conductors?
When located within 7 feet Cables shall be fastened in an approved manner at
of the floor, how shall intervals of not more than 18 inches.
cables be fastened?
Single conductors shall 18
not be smaller than ___
A.W.G?
Conductors of 28 A.W.G Spliced with a connector listed as suitable for 26 to 24
shall only be permitted in A.W.G
which circumstance?
How shall P.F.L.A P.F.L.A conductors shall not be strapped, taped, or
conductors NOT be attached to the exterior of any conduit or raceway.
installed?
Cable that can be installed in ducts, plenums, or other
What is Plenum cable?
spaces used for environmental air.
Cable to be used in vertical wire runs in shafts
between floors. Not to be used where Plenum cable
is required.
What is a Riser cable?
It is capable of preventing fire from rising from floor
to floor.
Cable for general purpose fire alarm use. Not to be
What is general purpose used where plenum cable or riser cable is required.
cable?
It is resistant to the spread of fire.
Why 'type' shall plenum Power Limited Fire Alarm Plenum (F.P.L.P) C.M.P can
cable be? What be substituted.
substitutions are allowed?
… 2/16
, 5/11/25, 6:24 PM TFM 12 FIRE ALARM TECHNICAL EXAM WITH COMPLETE SOLUTION |A+ GRADED/NEWEST UPDATE
Why 'type' shall riser cable Power Limited Fire Alarm Riser (F.P.L.R) C.M.P, F.P.L.P.
be? What substitutions are
allowed? C.M.R can be substituted.
What 'type' shall general Power Limited Fire Alarm (F.P.L) C.M.P, F.P.L.P, C.M.R,
purpose wire be? What F.P.L.R, C.M.G
substitutions are
permitted? CM can be substituted (all types)
What is the maximum 150 volts
voltage permitted through
multi-conductor N.P.F.L.A
cables?
What is the voltage rating Not less than 300 volts
marked on P.F.L.A cables?
Shall the voltage rating No, because they may be mistakenly used for
marked on P.F.L.A cables? electrical applications.
What is 'Rate A device that responds when a temperature rises at an
Compensation Detector'? exceeding rate that is predetermined.
What is a 'Smoke a device that detects both visible and invisible
Detector'? combustion particles?
Which detector is best a Ionization
detecting invisible
particles?
Which sensor is better at Photoelectric
detecting thick, visible
smoke particles?
What is a SPOT TYPE a device in which detecting an element is
sensor? concentrated at a particular location.
What is a DIGITAL ALARM A system component at the protected premises is
COMMUNICATOR connected to the detection devices. It has a line
TRANSMITTER ( D.A.C.T)? seizure and can connect to a D.A.C.R.
… 3/16
TFM 12 FIRE ALARM TECHNICAL EXAM WITH
COMPLETE SOLUTION |A+ GRADED/NEWEST
UPDATE
Does a fire hood system Yes
and a kitchen need to be
monitored by the fire
alarm system?
What does P.L.F.A stand Power Limited Fire Alarm
for?
What does N.P.L.F.A stand Non-Power Limited Fire Alarm
for?
an N.P.L.F.A can operate at up to 600v, and the power
What is the difference output isn't limited
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.
What material must ONLY solid stranded copper is permitted.
N.P.F.L.A circuit
conductors be made
from?
What does A.W.G stand American Wire Gauge
for?
What size conductors are Size 18 A.W.G and 16 A.W.G are permitted, provided
permitted? they do not exceed certain capacities.
… 1/16
,5/11/25, 6:24 PM TFM 12 FIRE ALARM TECHNICAL EXAM WITH COMPLETE SOLUTION |A+ GRADED/NEWEST UPDATE
What is used to protect An over-current device not rated over 20 amperes.
transformers or other
devices supplied from
power-supply
conductors?
When located within 7 feet Cables shall be fastened in an approved manner at
of the floor, how shall intervals of not more than 18 inches.
cables be fastened?
Single conductors shall 18
not be smaller than ___
A.W.G?
Conductors of 28 A.W.G Spliced with a connector listed as suitable for 26 to 24
shall only be permitted in A.W.G
which circumstance?
How shall P.F.L.A P.F.L.A conductors shall not be strapped, taped, or
conductors NOT be attached to the exterior of any conduit or raceway.
installed?
Cable that can be installed in ducts, plenums, or other
What is Plenum cable?
spaces used for environmental air.
Cable to be used in vertical wire runs in shafts
between floors. Not to be used where Plenum cable
is required.
What is a Riser cable?
It is capable of preventing fire from rising from floor
to floor.
Cable for general purpose fire alarm use. Not to be
What is general purpose used where plenum cable or riser cable is required.
cable?
It is resistant to the spread of fire.
Why 'type' shall plenum Power Limited Fire Alarm Plenum (F.P.L.P) C.M.P can
cable be? What be substituted.
substitutions are allowed?
… 2/16
, 5/11/25, 6:24 PM TFM 12 FIRE ALARM TECHNICAL EXAM WITH COMPLETE SOLUTION |A+ GRADED/NEWEST UPDATE
Why 'type' shall riser cable Power Limited Fire Alarm Riser (F.P.L.R) C.M.P, F.P.L.P.
be? What substitutions are
allowed? C.M.R can be substituted.
What 'type' shall general Power Limited Fire Alarm (F.P.L) C.M.P, F.P.L.P, C.M.R,
purpose wire be? What F.P.L.R, C.M.G
substitutions are
permitted? CM can be substituted (all types)
What is the maximum 150 volts
voltage permitted through
multi-conductor N.P.F.L.A
cables?
What is the voltage rating Not less than 300 volts
marked on P.F.L.A cables?
Shall the voltage rating No, because they may be mistakenly used for
marked on P.F.L.A cables? electrical applications.
What is 'Rate A device that responds when a temperature rises at an
Compensation Detector'? exceeding rate that is predetermined.
What is a 'Smoke a device that detects both visible and invisible
Detector'? combustion particles?
Which detector is best a Ionization
detecting invisible
particles?
Which sensor is better at Photoelectric
detecting thick, visible
smoke particles?
What is a SPOT TYPE a device in which detecting an element is
sensor? concentrated at a particular location.
What is a DIGITAL ALARM A system component at the protected premises is
COMMUNICATOR connected to the detection devices. It has a line
TRANSMITTER ( D.A.C.T)? seizure and can connect to a D.A.C.R.
… 3/16
