California Low-Voltage C-7 Contractor
Exam Prep 2026 Quiz
1. Some form of hearing protection must be provided if 90dBA
workers are exposed to noise levels over For 8 hours
or more during a workday.
2. What is the maximum length of a step ladder? 20 feet
3. Insulation on conductors must be suitable for how 600 volts
many volts?
4. Consider the following statement: Conductors No. 14 True
and larger must be protected against overcurrent in
accordance with their capacities.
5. Overcurrent protection must not exceed for No. 10 amperes
16 conductor.
6. Intermediate metal conduit must be firmly fastened 3 feet
within how many feet of each outlet box?
7. Conduit must be supported at minimum intervals of 10 feet
.
8. Consider the following statement: Class 1 circuits False
must not be run in the same cable with communi-
cations circuits, except when it is installed in a failed
assembly.
9. Consider the following statement: Class 2 and Class 3 False
circuit conductors are not permitted in the same cable
with communication circuits.
10. Class 1 power limited circuits must be supplied from 30 volts and 1000 amps
a source having a rated output of no more than .
1/3
Exam Prep 2026 Quiz
1. Some form of hearing protection must be provided if 90dBA
workers are exposed to noise levels over For 8 hours
or more during a workday.
2. What is the maximum length of a step ladder? 20 feet
3. Insulation on conductors must be suitable for how 600 volts
many volts?
4. Consider the following statement: Conductors No. 14 True
and larger must be protected against overcurrent in
accordance with their capacities.
5. Overcurrent protection must not exceed for No. 10 amperes
16 conductor.
6. Intermediate metal conduit must be firmly fastened 3 feet
within how many feet of each outlet box?
7. Conduit must be supported at minimum intervals of 10 feet
.
8. Consider the following statement: Class 1 circuits False
must not be run in the same cable with communi-
cations circuits, except when it is installed in a failed
assembly.
9. Consider the following statement: Class 2 and Class 3 False
circuit conductors are not permitted in the same cable
with communication circuits.
10. Class 1 power limited circuits must be supplied from 30 volts and 1000 amps
a source having a rated output of no more than .
1/3
