Low-Voltage
Terms C7.pdf
in this set (21) answer keys
Some form of hearing protection must be provided if 90dBA
workers are exposed to noise levels over For 8 hours or 3 multiple choice options
more during a workday.
What is the maximum length of a step ladder? 20 feet
3 multiple choice options
Insulation on conductors must be suitable for how 600 volts
many volts? 3 multiple choice options
Consider the following statement: Conductors No. 14 True
and larger must be protected against overcurrent in
1 multiple choice option
accordance with their capacities.
Overcurrent protection must not exceed _____ for No. 10 amperes
16 conductor.
3 multiple choice options
Intermediate metal conduit must be firmly fastened 3 feet
within how many feet of each outlet box?
3 multiple choice options
Conduit must be supported at minimum intervals of 10 feet
_____. 3 multiple choice options
Consider the following statement: Class 1 circuits must False
not be run in the same cable with communications
circuits, except when it is installed in a failed
assembly.
Consider the following statement: Class 2 and Class 3 False
circuit conductors are not permitted in the same
cable with communication circuits.
Class 1 power limited circuits must be supplied from a 30 volts and 1000 amps
source having a rated output of no more than _____. 3 multiple choice options
Class 1 power limited circuits supplied by a source 167 percent
must be protected by overcurrent devices rated at no
3 multiple choice options
more than _____ of the volt-ampere rating of the
source divided by the rated voltage.
Actualstudy 1
Terms C7.pdf
in this set (21) answer keys
Some form of hearing protection must be provided if 90dBA
workers are exposed to noise levels over For 8 hours or 3 multiple choice options
more during a workday.
What is the maximum length of a step ladder? 20 feet
3 multiple choice options
Insulation on conductors must be suitable for how 600 volts
many volts? 3 multiple choice options
Consider the following statement: Conductors No. 14 True
and larger must be protected against overcurrent in
1 multiple choice option
accordance with their capacities.
Overcurrent protection must not exceed _____ for No. 10 amperes
16 conductor.
3 multiple choice options
Intermediate metal conduit must be firmly fastened 3 feet
within how many feet of each outlet box?
3 multiple choice options
Conduit must be supported at minimum intervals of 10 feet
_____. 3 multiple choice options
Consider the following statement: Class 1 circuits must False
not be run in the same cable with communications
circuits, except when it is installed in a failed
assembly.
Consider the following statement: Class 2 and Class 3 False
circuit conductors are not permitted in the same
cable with communication circuits.
Class 1 power limited circuits must be supplied from a 30 volts and 1000 amps
source having a rated output of no more than _____. 3 multiple choice options
Class 1 power limited circuits supplied by a source 167 percent
must be protected by overcurrent devices rated at no
3 multiple choice options
more than _____ of the volt-ampere rating of the
source divided by the rated voltage.
Actualstudy 1
