TFM 12 Fire Alarm Technical Exam Latest
Update Questions & Answers with
Rationales| 100% Correct | Grade.
1. Does a fire hood system and a Yes
kitchen need to be monitored by the
fire alarm system?
2. What does P.L.F.A stand for? Power Limited Fire Alarm
3. What does N.P.L.F.A stand for? Non-Power Limited Fire Alarm
4. What is the difference between An N.P.L.F.A can operate at up to
P.F.L.A and N.P.F.L.A? 600v, and the power output isn't
limited
a P.L.F.A has the voltage and
power limited by a listed power
source.
5. What material must N.P.F.L.A circuit ONLY solid stranded copper is
conductors be made from? permitted.
6. What does A.W.G stand for? American Wire Gauge
,7. What size conductors are permitted? Size 18 A.W.G and 16 A.W.G are
permitted, provided they do not
exceed certain capacities.
8. What is used to protect transformers An over-current device not rated
or other devices supplied from over 20 amperes.
power-supply conductors?
9. When located within 7 feet of the Cables shall be fastened in an
floor, how shall cables be fastened? approved manner at intervals of
not more than 18 inches.
10. Single conductors shall not be 18
smaller than ___ A.W.G?
11. Conductors of 28 A.W.G shall only Spliced with a connector listed as
be permitted in which circumstance? suitable for 26 to 24 A.W.G
12. How shall P.F.L.A conductors NOT P.F.L.A conductors shall not be
be installed? strapped, taped, or attached to the
exterior of any conduit or raceway.
13. What is Plenum cable? Cable that can be installed in
ducts, plenums, or other spaces
used for environmental air.
14. What is a Riser cable? 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.
15. What is general purpose cable? 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.
16. Why 'type' shall plenum cable be? Power Limited Fire Alarm Plenum
What substitutions are allowed? (F.P.L.P) C.M.P can be
substituted.
17. Why 'type' shall riser cable be? What Power Limited Fire Alarm Riser
substitutions are allowed? (F.P.L.R) C.M.P, F.P.L.P.
C.M.R can be substituted.
18. What 'type' shall general purpose Power Limited Fire Alarm (F.P.L)
wire be? What substitutions are C.M.P, F.P.L.P, C.M.R, F.P.L.R,
permitted? C.M.G
CM can be substituted (all types)
19. What is the maximum voltage 150 volts
permitted through multi-conductor
Update Questions & Answers with
Rationales| 100% Correct | Grade.
1. Does a fire hood system and a Yes
kitchen need to be monitored by the
fire alarm system?
2. What does P.L.F.A stand for? Power Limited Fire Alarm
3. What does N.P.L.F.A stand for? Non-Power Limited Fire Alarm
4. What is the difference between An N.P.L.F.A can operate at up to
P.F.L.A and N.P.F.L.A? 600v, and the power output isn't
limited
a P.L.F.A has the voltage and
power limited by a listed power
source.
5. What material must N.P.F.L.A circuit ONLY solid stranded copper is
conductors be made from? permitted.
6. What does A.W.G stand for? American Wire Gauge
,7. What size conductors are permitted? Size 18 A.W.G and 16 A.W.G are
permitted, provided they do not
exceed certain capacities.
8. What is used to protect transformers An over-current device not rated
or other devices supplied from over 20 amperes.
power-supply conductors?
9. When located within 7 feet of the Cables shall be fastened in an
floor, how shall cables be fastened? approved manner at intervals of
not more than 18 inches.
10. Single conductors shall not be 18
smaller than ___ A.W.G?
11. Conductors of 28 A.W.G shall only Spliced with a connector listed as
be permitted in which circumstance? suitable for 26 to 24 A.W.G
12. How shall P.F.L.A conductors NOT P.F.L.A conductors shall not be
be installed? strapped, taped, or attached to the
exterior of any conduit or raceway.
13. What is Plenum cable? Cable that can be installed in
ducts, plenums, or other spaces
used for environmental air.
14. What is a Riser cable? 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.
15. What is general purpose cable? 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.
16. Why 'type' shall plenum cable be? Power Limited Fire Alarm Plenum
What substitutions are allowed? (F.P.L.P) C.M.P can be
substituted.
17. Why 'type' shall riser cable be? What Power Limited Fire Alarm Riser
substitutions are allowed? (F.P.L.R) C.M.P, F.P.L.P.
C.M.R can be substituted.
18. What 'type' shall general purpose Power Limited Fire Alarm (F.P.L)
wire be? What substitutions are C.M.P, F.P.L.P, C.M.R, F.P.L.R,
permitted? C.M.G
CM can be substituted (all types)
19. What is the maximum voltage 150 volts
permitted through multi-conductor
