Questions with Correct Answers | Verified
Where should a technician install a detector in relation to beam that is less than 12
inches deep and less that 8 feet in center?
At the bottom of the beam
An existing fire alarm cable in a drop ceiling will be spliced. which one of the
following splice locations will comply with NFPA 70?
secured inside a listed box or enclosure
Which function shall be tested for each newly installed smoke detector?
smoke entry?
An 180 foot long corridor is 10 feet wide, with a smooth 10 foot ceiling,
interrupted by 4-inch beams spaced every 10 feet. How many heat detectors with a
listed 30 foot spacing are required?
6 heat detectors
At which height must cables be physically protected when being installed within
an exposed ceiling?
7 feet
,When shall smoke detectors be installed during the construction process?
After the final cleanup of all trades
Where structural members are provided, intermediate metal conduit shall be
secured within which maximum distance from an outlet box"
3 feet
The requirement forbidding fire alarm circuits from being T-tapped, unless
indicated by the manufacturer's instructions, is intended to prevent which type of
improper malfunction?
monitoring integrity of installation conductors?
When a device is inaccessible due to excessive height, such as an atrium, what it
the maximum interval for testing?
18 months
When installing a wall-mounted fire telephone appliance to the public, what is the
acceptable maximum mounting height from the floor?
66 inches
, Elevator lobby smoke detectors shall be mounted within a maximum of which
distance from the center-line of the door?
21 feet
At minimum, when working near power lines with voltage of 600 volts and lower,
an aerial lift operator shall maintain which distance from the lines?
10 feet
The use of unprotected EMT shall be permitted under which conditions?
when in direct contact with the earth
According to NFPA 70, what is the maximum unsupported length of 1/2-inch
flexible metallic conduit where flexibility is required after installation?
4 1/2 feet
What is the maximum bend (in degrees) permitted in a conduit run between outlet
boxes?
360 Degrees
If the primary power is disconnected and the fire alarm system goes into an alarm
condition, what is the minimum acceptable time for secondary power to operate the
voice evacuation systems?