TEXAS FIRE ALARM EXAM PREP
QUESTIONS AND VERIFIED GRADED
A+CORRECT ANSWERS
EXAM QUESTIONS VERIFIED ANSWERS GRADED A+
1) What does PLFA stand for? ✓ Power Limited Fire Alarm
2) What does NPLFA stand for? ✓ Non-Power Limited Fire Alarm
3) What material must NPLFA circuit ✓ Only solid or stranded copper
conductors be made from? is permitted.
4) What is a single station detector? ✓ Battery powered smoke
detectors that do not
communicate off premises.
5) What is a multiple station detector? ✓ Mains powered smoke
detectors with battery backup
that are linked together, so that
if one unit initiates, alarms in all
detectors will sound. They do
not communicate off premises.
,6) How frequently must household single ✓ In accordance with the
and multiple station detectors be manufacturers
inspected and tested? recommendations, at least
monthly
7) How frequently must household fire ✓ At least every 3 years, by a
alarm systems be inspected and tested? qualified service technician.
8) How frequently must heat detectors be ✓ Two or more annually different
tested? detectors must be tested each
year though and within 5 years
all detectors must have been
tested.
9) What does 'restorable' mean? ✓ The detector can be 'restored'
or ' reused ' after it has initiated
an alarm.
10) What does 'non-restorable' mean? ✓ The detector cannot be 'reused'
after it has initiated an alarm.
(Think of a heat detector, which
self-destructs upon initiating.)
11) What size conductors are permitted? ✓ Size 18AWG and 16AWG are
permitted, provided they do not
exceed certain rated
ampacities.
, 12) What is used to protect transformers or ✓ An over-current device not
other devices supplied from power- rated over 20 Amperes.
supply conductors?
13) When located within 7ft of the floor, how ✓ Cables shall be fastened in an
shall cables be fastened? approved manner at intervals
of not more than 18 inches.
14) Single conductors shall not be smaller ✓ 18
than BLANK AWG
15) Conductors of 26AWG shall only be ✓ Where spliced with a connector
permitted in which circumstances? listed as suitable for 26 to 24
AWG
16) How should PLFA conductors NOT be ✓ PLFA conductors shall not be
installed? strapped, taped or attached to
the exterior of any conduit or
raceway.
17) What is a Plenum cable? What are its ✓ Cable that can be installed in
characteristics? ducts, plenums or other spaces
used for environmental air. It
has adequate fire resistance
and low smoke-producing
characteristics.
18) What is Riser cable? What are its ✓ Cable to be used in vertical
characteristics? wire runs in shafts or between
QUESTIONS AND VERIFIED GRADED
A+CORRECT ANSWERS
EXAM QUESTIONS VERIFIED ANSWERS GRADED A+
1) What does PLFA stand for? ✓ Power Limited Fire Alarm
2) What does NPLFA stand for? ✓ Non-Power Limited Fire Alarm
3) What material must NPLFA circuit ✓ Only solid or stranded copper
conductors be made from? is permitted.
4) What is a single station detector? ✓ Battery powered smoke
detectors that do not
communicate off premises.
5) What is a multiple station detector? ✓ Mains powered smoke
detectors with battery backup
that are linked together, so that
if one unit initiates, alarms in all
detectors will sound. They do
not communicate off premises.
,6) How frequently must household single ✓ In accordance with the
and multiple station detectors be manufacturers
inspected and tested? recommendations, at least
monthly
7) How frequently must household fire ✓ At least every 3 years, by a
alarm systems be inspected and tested? qualified service technician.
8) How frequently must heat detectors be ✓ Two or more annually different
tested? detectors must be tested each
year though and within 5 years
all detectors must have been
tested.
9) What does 'restorable' mean? ✓ The detector can be 'restored'
or ' reused ' after it has initiated
an alarm.
10) What does 'non-restorable' mean? ✓ The detector cannot be 'reused'
after it has initiated an alarm.
(Think of a heat detector, which
self-destructs upon initiating.)
11) What size conductors are permitted? ✓ Size 18AWG and 16AWG are
permitted, provided they do not
exceed certain rated
ampacities.
, 12) What is used to protect transformers or ✓ An over-current device not
other devices supplied from power- rated over 20 Amperes.
supply conductors?
13) When located within 7ft of the floor, how ✓ Cables shall be fastened in an
shall cables be fastened? approved manner at intervals
of not more than 18 inches.
14) Single conductors shall not be smaller ✓ 18
than BLANK AWG
15) Conductors of 26AWG shall only be ✓ Where spliced with a connector
permitted in which circumstances? listed as suitable for 26 to 24
AWG
16) How should PLFA conductors NOT be ✓ PLFA conductors shall not be
installed? strapped, taped or attached to
the exterior of any conduit or
raceway.
17) What is a Plenum cable? What are its ✓ Cable that can be installed in
characteristics? ducts, plenums or other spaces
used for environmental air. It
has adequate fire resistance
and low smoke-producing
characteristics.
18) What is Riser cable? What are its ✓ Cable to be used in vertical
characteristics? wire runs in shafts or between
