Calfornia C10 Electrical Exam CORRECT
ANSWERS 2025
Min #receptacles in a garage - CORRECT-ANSWERS-1
Mobile home service equipment shall be line of sight and no more than ____
from the exterior wall of the home - CORRECT-ANSWERS-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-ANSWERS-15'
A power meter must be a minimum of ____ feet away from any door, gas
meter, or window opening. - CORRECT-ANSWERS-3
A rod-type grounding electrode should have a minimum diameter of -
CORRECT-ANSWERS-5/8"
Conductors entering buildings shall be protected: - CORRECT-ANSWERS-To
the point of entrance
A grounding electrode must be in contact with soil a minimum: - CORRECT-
ANSWERS-8'
If a raceway has various conductors coming from different systems, then you
should group each system separately every: - CORRECT-ANSWERS-6'
What is the maximum distance a service conductor can run over a roof? -
CORRECT-ANSWERS-6'
Soldered connections are not permitted for - CORRECT-ANSWERS-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-
ANSWERS-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-ANSWERS-
Orange
What is the purpose of a BOS? - CORRECT-ANSWERS-Integrates PV into the
building's load
Cable trays or similar raceways carrying service entrance conductors must: -
CORRECT-ANSWERS-Be Labled
Which of the following bulbs cannot be used with dimmer switches? -
CORRECT-ANSWERS-All of the listed bulb types can be used with dimmers
provided the dimmer is designed, tested and UL listed for the specific
lighting source or load type.
What is the most common location for trim in electrical equipment? -
CORRECT-ANSWERS-Panelboards
What is the most common location for terminal lugs? - CORRECT-ANSWERS-
Batteries in PV system
What is the minimum length of a concrete-encased grounding electrode? -
CORRECT-ANSWERS-20'
ANSWERS 2025
Min #receptacles in a garage - CORRECT-ANSWERS-1
Mobile home service equipment shall be line of sight and no more than ____
from the exterior wall of the home - CORRECT-ANSWERS-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-ANSWERS-15'
A power meter must be a minimum of ____ feet away from any door, gas
meter, or window opening. - CORRECT-ANSWERS-3
A rod-type grounding electrode should have a minimum diameter of -
CORRECT-ANSWERS-5/8"
Conductors entering buildings shall be protected: - CORRECT-ANSWERS-To
the point of entrance
A grounding electrode must be in contact with soil a minimum: - CORRECT-
ANSWERS-8'
If a raceway has various conductors coming from different systems, then you
should group each system separately every: - CORRECT-ANSWERS-6'
What is the maximum distance a service conductor can run over a roof? -
CORRECT-ANSWERS-6'
Soldered connections are not permitted for - CORRECT-ANSWERS-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-
ANSWERS-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-ANSWERS-
Orange
What is the purpose of a BOS? - CORRECT-ANSWERS-Integrates PV into the
building's load
Cable trays or similar raceways carrying service entrance conductors must: -
CORRECT-ANSWERS-Be Labled
Which of the following bulbs cannot be used with dimmer switches? -
CORRECT-ANSWERS-All of the listed bulb types can be used with dimmers
provided the dimmer is designed, tested and UL listed for the specific
lighting source or load type.
What is the most common location for trim in electrical equipment? -
CORRECT-ANSWERS-Panelboards
What is the most common location for terminal lugs? - CORRECT-ANSWERS-
Batteries in PV system
What is the minimum length of a concrete-encased grounding electrode? -
CORRECT-ANSWERS-20'
