1
Calfornia C10 Electrical Exam Questions with Answers
(100% Correct Answers)
Min #receptacles in a garage— Answer: 1
Mobile home service equipment shall be line of sight and no more than
____ from the exterior wall of the home— 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?— Answer: 15'
A power meter must be a minimum of ____ feet away from any door,
gas meter, or window opening.— Answer: 3
A rod-type grounding electrode should have a minimum diameter
of— Answer: 5/8"
Conductors entering buildings shall be protected:— Answer: To the
point of entrance
A grounding electrode must be in contact with soil a minimum:—
Answer: 8'
© 2025 All rights reserved
, 2
If a raceway has various conductors coming from different systems,
then you should group each system separately every:— Answer: 6'
What is the maximum distance a service conductor can run over a
roof?— Answer: 6'
Soldered connections are not permitted for— 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?—
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?— Answer:
Orange
What is the purpose of a BOS?— Answer: Integrates PV into the
building's load
Cable trays or similar raceways carrying service entrance conductors
must:— Answer: Be Labled
© 2025 All rights reserved
Calfornia C10 Electrical Exam Questions with Answers
(100% Correct Answers)
Min #receptacles in a garage— Answer: 1
Mobile home service equipment shall be line of sight and no more than
____ from the exterior wall of the home— 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?— Answer: 15'
A power meter must be a minimum of ____ feet away from any door,
gas meter, or window opening.— Answer: 3
A rod-type grounding electrode should have a minimum diameter
of— Answer: 5/8"
Conductors entering buildings shall be protected:— Answer: To the
point of entrance
A grounding electrode must be in contact with soil a minimum:—
Answer: 8'
© 2025 All rights reserved
, 2
If a raceway has various conductors coming from different systems,
then you should group each system separately every:— Answer: 6'
What is the maximum distance a service conductor can run over a
roof?— Answer: 6'
Soldered connections are not permitted for— 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?—
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?— Answer:
Orange
What is the purpose of a BOS?— Answer: Integrates PV into the
building's load
Cable trays or similar raceways carrying service entrance conductors
must:— Answer: Be Labled
© 2025 All rights reserved
