TFM 12 FIRE ALARM TECHNICAL EXAM WITH COMPLETE SOLUTION
TFM 12 Fire Alarm Technical
|A+ GRADED/NEWEST UPDATE
Study online at https://quizlet.com/_3lhmlo
1. Does a fire hood system and a kitchen Yes
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 P.F.L.A an N.P.L.F.A can operate at up to 600v, and the
and N.P.F.L.A? 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 con- ONLY solid stranded copper is permitted.
ductors be made from?
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 or An over-current device not rated over 20 am-
other devices supplied from power-sup- peres.
ply conductors?
9. When located within 7 feet of the floor, Cables shall be fastened in an approved man-
how shall cables be fastened? ner at intervals of not more than 18 inches.
10. Single conductors shall not be smaller 18
than ___ A.W.G?
11. Conductors of 28 A.W.G shall only be per- Spliced with a connector listed as suitable for
mitted in which circumstance? 26 to 24 A.W.G
, TFM 12 Fire Alarm Technical
Study online at https://quizlet.com/_3lhmlo
12. How shall P.F.L.A conductors NOT be in- P.F.L.A conductors shall not be strapped, taped,
stalled? 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? What Power Limited Fire Alarm Plenum (F.P.L.P)
substitutions are allowed? C.M.P can be substituted.
17. Why 'type' shall riser cable be? What sub- Power Limited Fire Alarm Riser (F.P.L.R) C.M.P,
stitutions are allowed? F.P.L.P.
C.M.R can be substituted.
18. What 'type' shall general purpose wire Power Limited Fire Alarm (F.P.L) C.M.P, F.P.L.P,
be? What substitutions are permitted? C.M.R, F.P.L.R, C.M.G
CM can be substituted (all types)
19. 150 volts
TFM 12 Fire Alarm Technical
|A+ GRADED/NEWEST UPDATE
Study online at https://quizlet.com/_3lhmlo
1. Does a fire hood system and a kitchen Yes
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 P.F.L.A an N.P.L.F.A can operate at up to 600v, and the
and N.P.F.L.A? 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 con- ONLY solid stranded copper is permitted.
ductors be made from?
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 or An over-current device not rated over 20 am-
other devices supplied from power-sup- peres.
ply conductors?
9. When located within 7 feet of the floor, Cables shall be fastened in an approved man-
how shall cables be fastened? ner at intervals of not more than 18 inches.
10. Single conductors shall not be smaller 18
than ___ A.W.G?
11. Conductors of 28 A.W.G shall only be per- Spliced with a connector listed as suitable for
mitted in which circumstance? 26 to 24 A.W.G
, TFM 12 Fire Alarm Technical
Study online at https://quizlet.com/_3lhmlo
12. How shall P.F.L.A conductors NOT be in- P.F.L.A conductors shall not be strapped, taped,
stalled? 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? What Power Limited Fire Alarm Plenum (F.P.L.P)
substitutions are allowed? C.M.P can be substituted.
17. Why 'type' shall riser cable be? What sub- Power Limited Fire Alarm Riser (F.P.L.R) C.M.P,
stitutions are allowed? F.P.L.P.
C.M.R can be substituted.
18. What 'type' shall general purpose wire Power Limited Fire Alarm (F.P.L) C.M.P, F.P.L.P,
be? What substitutions are permitted? C.M.R, F.P.L.R, C.M.G
CM can be substituted (all types)
19. 150 volts
