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Overcurrent
Choose an answer
Any current in excess of the rated
When a device is inaccessible due to
current of equipment of the ampacity
excessive height, such as an atrium,
1 of a conductor. It may result from 2
what it the maximum interval for
overload, short circuit, or ground
testing?
fault.
An existing fire alarm cable in a drop
ceiling will be spliced. which one of The use of unprotected EMT shall be
3 4
the following splice locations will permitted under which conditions?
comply with NFPA 70?
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Terms in this set (107)
When a device is inaccessible due to 18 months
excessive height, such as an atrium,
what it the maximum interval for
testing?
When installing a wall-mounted fire 66 inches
telephone appliance to the public,
what is the acceptable maximum
mounting height from the floor?
Elevator lobby smoke detectors shall 21 feet
be mounted within a maximum of
which distance from the center-line
of the door?
At minimum, when working near 10 feet
power lines with voltage of 600 volts
and lower, an aerial lift operator shall
maintain which distance from the
lines?
The use of unprotected EMT shall be when in direct contact with the earth
permitted under which conditions?
According to NFPA 70, what is the 4 1/2 feet
maximum unsupported length of 1/2-
inch flexible metallic conduit where
flexibility is required after
installation?