TFM-12 FIRE ALARM TECHNICAL EXAM
QUESTIONS WITH RIGHT VERIFIED ANSWERS .
What does P.L.F.A stand for? - Correct Answer -Power Limited Fire Alarm
what does NPLFA stand for? - Correct Answer -Non-Power limited fire alarm
what material must NPLFA circuit conductors be made from? - Correct Answer -solid or
stranded copper
what is a single station detector - Correct Answer -Battery powered smoke alarms that do not
communicate off premises.
what is a multiple station detector - Correct Answer -Smoke alarms that are battery backed up
and are
linked together, so that if one unit initiates, alarms in all detectors will sound. They do not
communicate off premises.
how frequently must household (single and multiple station detectors) be inspected and
tested? - Correct Answer -with accordance to manufacturers at least Monthly
what does restorable mean - Correct Answer -a device that can be restored or reused after it
has I initiated an alarm
how frequently must household (fire akram systems) be inspected and tested - Correct
Answer -at least every year by a qualified technician.
What size conductors are permitted? - Correct Answer -Size 18 A.W.G and 16 A.W.G
what is used to protect transformers or other devices supplied from power-supply conductors.
- Correct Answer -an overcurrent device not rated over 20 Amperes.
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QUESTIONS WITH RIGHT VERIFIED ANSWERS .
What does P.L.F.A stand for? - Correct Answer -Power Limited Fire Alarm
what does NPLFA stand for? - Correct Answer -Non-Power limited fire alarm
what material must NPLFA circuit conductors be made from? - Correct Answer -solid or
stranded copper
what is a single station detector - Correct Answer -Battery powered smoke alarms that do not
communicate off premises.
what is a multiple station detector - Correct Answer -Smoke alarms that are battery backed up
and are
linked together, so that if one unit initiates, alarms in all detectors will sound. They do not
communicate off premises.
how frequently must household (single and multiple station detectors) be inspected and
tested? - Correct Answer -with accordance to manufacturers at least Monthly
what does restorable mean - Correct Answer -a device that can be restored or reused after it
has I initiated an alarm
how frequently must household (fire akram systems) be inspected and tested - Correct
Answer -at least every year by a qualified technician.
What size conductors are permitted? - Correct Answer -Size 18 A.W.G and 16 A.W.G
what is used to protect transformers or other devices supplied from power-supply conductors.
- Correct Answer -an overcurrent device not rated over 20 Amperes.
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