CALFORNIA C10 ELECTRICAL EXAMS SCRIPT 2025/2026
QUESTIONS WITH ANSWERS RATED A+
✔✔If a service conductor is over 300V but less than 600V, what is the minimum
clearance of that service conductor if it runs in residential and commercial areas that are
not subject to traffic? - ✔✔15'
✔✔Direct burial of cable or conductors requires a depth of ____ inches if installed under
streets, highways, roads alleys driveways or parking lots - ✔✔24"
✔✔Refer to diagram. Service equipment that is rated 600 volts or less requires
minimum working space width of: - ✔✔2.5'
✔✔What consideration must an electrician take when installing photovoltaic raceways?
- ✔✔UV resistance, Chemical resistance, and Fire resistance
✔✔If you have a conductor above a swimming pool that has under 750 volts, then what
kind of clearance is necessary between the water and conductor? - ✔✔22.5'
✔✔What is the minimum distance that grounding electrodes should be spaced? - ✔✔6'
✔✔What is the minimum depth a cable or conductor can be direct-buried? - ✔✔18'
✔✔Lead-in conductors from an antenna to a building should not be crossed with power
conductors, however if the power conductor is 250 volts or less the what is the minimum
clearance allowed? - ✔✔12"
✔✔Which of the following conduit raceways are used in commercial or industrial
applications due to its resistance against mechanical damage? - ✔✔GRC stands for
Galvanized rigid conduit.
✔✔A raceway that is 24 inches or less in length can be filled to _____ of its total cross-
sectional area - ✔✔60%
✔✔Mnemonic device for remembering inductance and capcitance - ✔✔ELI the ICE man
✔✔Which of the following causes an "open ground" electrical problem? - ✔✔Non-
grounded receptacle was substituted for a grounded receptacle
✔✔A ___________ is any circuit that controls another circuit through a relay. -
✔✔Remote Control Circuit
QUESTIONS WITH ANSWERS RATED A+
✔✔If a service conductor is over 300V but less than 600V, what is the minimum
clearance of that service conductor if it runs in residential and commercial areas that are
not subject to traffic? - ✔✔15'
✔✔Direct burial of cable or conductors requires a depth of ____ inches if installed under
streets, highways, roads alleys driveways or parking lots - ✔✔24"
✔✔Refer to diagram. Service equipment that is rated 600 volts or less requires
minimum working space width of: - ✔✔2.5'
✔✔What consideration must an electrician take when installing photovoltaic raceways?
- ✔✔UV resistance, Chemical resistance, and Fire resistance
✔✔If you have a conductor above a swimming pool that has under 750 volts, then what
kind of clearance is necessary between the water and conductor? - ✔✔22.5'
✔✔What is the minimum distance that grounding electrodes should be spaced? - ✔✔6'
✔✔What is the minimum depth a cable or conductor can be direct-buried? - ✔✔18'
✔✔Lead-in conductors from an antenna to a building should not be crossed with power
conductors, however if the power conductor is 250 volts or less the what is the minimum
clearance allowed? - ✔✔12"
✔✔Which of the following conduit raceways are used in commercial or industrial
applications due to its resistance against mechanical damage? - ✔✔GRC stands for
Galvanized rigid conduit.
✔✔A raceway that is 24 inches or less in length can be filled to _____ of its total cross-
sectional area - ✔✔60%
✔✔Mnemonic device for remembering inductance and capcitance - ✔✔ELI the ICE man
✔✔Which of the following causes an "open ground" electrical problem? - ✔✔Non-
grounded receptacle was substituted for a grounded receptacle
✔✔A ___________ is any circuit that controls another circuit through a relay. -
✔✔Remote Control Circuit
