TFM12 UPDATED ACTUAL QUESTIONS AND CORRECT ANSWERS
What is used to protect transformers or other devices A. An overcurrent device not rated over 20 Amperes.
supplied from power-supply conductors?
What does PLFA stand for? Power Limited Fire Alarm
What does NPLFA stand for? Non-Power Limited Fire Alarm
What material must NPLFA circuit conductors be made Solid or stranded copper
from?
What is a single station detector? Battery powered smoke alarms that do not communicate off premises.
What is a multiple station detector? Smoke alarms with battery backup that are linked together, so that if one unit
initiates, all detectors will sound. They do not communicate off premises.
How frequently must household single and multiple In accordance with the manufacturers recommendations, at least monthly
station detectors be inspected and tested?
How frequently must household fire alarm systems be At least every year, by a qualified service technician.
inspected and tested?
What does 'restorable' mean? The device can be 'restored' or 'reused' after it has initiated an alarm.
What size conductors are permitted? A. Size 18AWG and 16AWG
When located within 7ft of the floor, how shall cables be Cables shall be fastened in an approved manner at intervals of not more than 18
fastened? inches.
Single conductors shall not be smaller than (X) AWG 18
Conductors of 26AWG shall only be permitted in which A. Where spliced with a connector listed as suitable for 26 to 24 AWG
circumstances?
What is a Plenum cable? Cable that can be installed in ducts and other spaces used for environmental air.
What is Riser cable? Cable to be used in vertical wire runs in shafts or between floors.
What is General Purpose cable? A. Cable for general purpose fire alarm use
, What 'type' shall plenum cable be? FPLP
What substitutions are allowed for the above? CMP
What 'type' shall riser wire be? FPLR
What substitutions are permitted for the above? FPLP
What 'type' shall general purpose wire be? FPL
What substitutions are permitted for the above? CM
What is the maximum voltage permitted through NPLFA 600 volts
cables?
What is the maximum voltage permitted through multi- 150 volts
conductor NPLFA cables?
What is the voltage rating of PLFA cables? Not less than 300 volts
Shall the voltage be marked on PLFA cables? No
What is a 'Rate Compensation Detector'? A device that responds when the temperature reaches a pre-determined level.
What is a 'Rate of Rise Detector'? A device that responds when the temperature rises at a rate exceeding a pre-
determined value
Which sensor is best at detecting 'invisible' smoke Ionization
particles?
Which sensor is best at detecting thick, 'visible' smoke Photoelectric
particles?
What is a 'Spot Type Detector'? A device in which the detecting element is concentrated at a particular location.
What is a 'Digital DACR? Digital Alarm Communicator Receiver
Name a DACT. Impassa
What is an Alarm Signal? A signal indicating an emergency that requires IMMEDIATE action
What is used to protect transformers or other devices A. An overcurrent device not rated over 20 Amperes.
supplied from power-supply conductors?
What does PLFA stand for? Power Limited Fire Alarm
What does NPLFA stand for? Non-Power Limited Fire Alarm
What material must NPLFA circuit conductors be made Solid or stranded copper
from?
What is a single station detector? Battery powered smoke alarms that do not communicate off premises.
What is a multiple station detector? Smoke alarms with battery backup that are linked together, so that if one unit
initiates, all detectors will sound. They do not communicate off premises.
How frequently must household single and multiple In accordance with the manufacturers recommendations, at least monthly
station detectors be inspected and tested?
How frequently must household fire alarm systems be At least every year, by a qualified service technician.
inspected and tested?
What does 'restorable' mean? The device can be 'restored' or 'reused' after it has initiated an alarm.
What size conductors are permitted? A. Size 18AWG and 16AWG
When located within 7ft of the floor, how shall cables be Cables shall be fastened in an approved manner at intervals of not more than 18
fastened? inches.
Single conductors shall not be smaller than (X) AWG 18
Conductors of 26AWG shall only be permitted in which A. Where spliced with a connector listed as suitable for 26 to 24 AWG
circumstances?
What is a Plenum cable? Cable that can be installed in ducts and other spaces used for environmental air.
What is Riser cable? Cable to be used in vertical wire runs in shafts or between floors.
What is General Purpose cable? A. Cable for general purpose fire alarm use
, What 'type' shall plenum cable be? FPLP
What substitutions are allowed for the above? CMP
What 'type' shall riser wire be? FPLR
What substitutions are permitted for the above? FPLP
What 'type' shall general purpose wire be? FPL
What substitutions are permitted for the above? CM
What is the maximum voltage permitted through NPLFA 600 volts
cables?
What is the maximum voltage permitted through multi- 150 volts
conductor NPLFA cables?
What is the voltage rating of PLFA cables? Not less than 300 volts
Shall the voltage be marked on PLFA cables? No
What is a 'Rate Compensation Detector'? A device that responds when the temperature reaches a pre-determined level.
What is a 'Rate of Rise Detector'? A device that responds when the temperature rises at a rate exceeding a pre-
determined value
Which sensor is best at detecting 'invisible' smoke Ionization
particles?
Which sensor is best at detecting thick, 'visible' smoke Photoelectric
particles?
What is a 'Spot Type Detector'? A device in which the detecting element is concentrated at a particular location.
What is a 'Digital DACR? Digital Alarm Communicator Receiver
Name a DACT. Impassa
What is an Alarm Signal? A signal indicating an emergency that requires IMMEDIATE action
