TFM12 - FA TECHNICAL TEST UPDATED ACTUAL QUESTIONS AND CORRECT
ANSWERS
Does a fire hood system and a kitchen need to be Yes, BOTH need to be monitored by the fire alarm system
monitored by the fire alarm system?
What does PLFA stand for? Power Limited Fire Alarm
What does NPLFA stand for? Non-Power Limited Fire Alarm
What is the difference between PLFA and NPLFA? PLFA - Voltage and Power is limited by source
NPLFA - can operate up to 600v and is NOT limited by source
What material must NPLFA circuit conductors be made Only SOLID STRANDED COPPER is permitted
from?
What does AWG stand for? American Wire Gauge
What size conductors are permitted? 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 An over-current device NOT rated over 20 amperes
supplied from power-supply conductors?
When located within 7 feet (84 inches) of the floor, how Cables shall be fastened in an approved manner at intervals of NOT more than 18
shall cables be fastened? INCHES
Single conductors shall not be smaller than ___ A.W.G? NOT smaller than 18 AWG
Conductors of 28 AWG shall only be permitted in which Spliced with a connector listed as suitable for 26 to 24 AWG
circumstance?
How shall PLFA conductors NOT be installed? PLFA conductors shall NOT be strapped, taped or attached to the exterior of any
conduit or raceway
What is "Plenum Cable"? Cable that can be installed in ducts, plenums, or other spaces used for
environmental air
ANSWERS
Does a fire hood system and a kitchen need to be Yes, BOTH need to be monitored by the fire alarm system
monitored by the fire alarm system?
What does PLFA stand for? Power Limited Fire Alarm
What does NPLFA stand for? Non-Power Limited Fire Alarm
What is the difference between PLFA and NPLFA? PLFA - Voltage and Power is limited by source
NPLFA - can operate up to 600v and is NOT limited by source
What material must NPLFA circuit conductors be made Only SOLID STRANDED COPPER is permitted
from?
What does AWG stand for? American Wire Gauge
What size conductors are permitted? 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 An over-current device NOT rated over 20 amperes
supplied from power-supply conductors?
When located within 7 feet (84 inches) of the floor, how Cables shall be fastened in an approved manner at intervals of NOT more than 18
shall cables be fastened? INCHES
Single conductors shall not be smaller than ___ A.W.G? NOT smaller than 18 AWG
Conductors of 28 AWG shall only be permitted in which Spliced with a connector listed as suitable for 26 to 24 AWG
circumstance?
How shall PLFA conductors NOT be installed? PLFA conductors shall NOT be strapped, taped or attached to the exterior of any
conduit or raceway
What is "Plenum Cable"? Cable that can be installed in ducts, plenums, or other spaces used for
environmental air
