Calfornia C10 Electrical Exam Questions And Answers
2025/2026
Min #receptacles in a garage - CORRECT ANSWER-1
Mobile home service equipment shall be line of sight and no more than ____ from
the exterior wall of the home - CORRECT ANSWER-30'
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? - CORRECT ANSWER-15'
A power meter must be a minimum of ____ feet away from any door, gas meter,
or window opening. - CORRECT ANSWER-3
A rod-type grounding electrode should have a minimum diameter of - CORRECT
ANSWER-5/8"
Conductors entering buildings shall be protected: - CORRECT ANSWER-To the
point of entrance
A grounding electrode must be in contact with soil a minimum: - CORRECT
ANSWER-8'
, If a raceway has various conductors coming from different systems, then you
should group each system separately every: - CORRECT ANSWER-6'
What is the maximum distance a service conductor can run over a roof? -
CORRECT ANSWER-6'
Soldered connections are not permitted for - CORRECT ANSWER-Grounded
connections
Refer to diagram. If you have 0 to 150 nominal voltage to ground, then what is the
minimum clear distance required from such equipment? - CORRECT ANSWER-3'
What color marking is required for conductors or busbars that carry the higher
voltage to ground and these marking are required at connection points that have
a grounded conductor present? - CORRECT ANSWER-Orange
What is the purpose of a BOS? - CORRECT ANSWER-Integrates PV into the
building's load
Cable trays or similar raceways carrying service entrance conductors must: -
CORRECT ANSWER-Be Labled
Which of the following bulbs cannot be used with dimmer switches? - CORRECT
ANSWER-All of the listed bulb types can be used with dimmers provided the
2025/2026
Min #receptacles in a garage - CORRECT ANSWER-1
Mobile home service equipment shall be line of sight and no more than ____ from
the exterior wall of the home - CORRECT ANSWER-30'
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? - CORRECT ANSWER-15'
A power meter must be a minimum of ____ feet away from any door, gas meter,
or window opening. - CORRECT ANSWER-3
A rod-type grounding electrode should have a minimum diameter of - CORRECT
ANSWER-5/8"
Conductors entering buildings shall be protected: - CORRECT ANSWER-To the
point of entrance
A grounding electrode must be in contact with soil a minimum: - CORRECT
ANSWER-8'
, If a raceway has various conductors coming from different systems, then you
should group each system separately every: - CORRECT ANSWER-6'
What is the maximum distance a service conductor can run over a roof? -
CORRECT ANSWER-6'
Soldered connections are not permitted for - CORRECT ANSWER-Grounded
connections
Refer to diagram. If you have 0 to 150 nominal voltage to ground, then what is the
minimum clear distance required from such equipment? - CORRECT ANSWER-3'
What color marking is required for conductors or busbars that carry the higher
voltage to ground and these marking are required at connection points that have
a grounded conductor present? - CORRECT ANSWER-Orange
What is the purpose of a BOS? - CORRECT ANSWER-Integrates PV into the
building's load
Cable trays or similar raceways carrying service entrance conductors must: -
CORRECT ANSWER-Be Labled
Which of the following bulbs cannot be used with dimmer switches? - CORRECT
ANSWER-All of the listed bulb types can be used with dimmers provided the
