California CSLB C10 Electrical Exam
Questions with A-graded Answers, Latest
Edition
Min #receptacles in a garage
1
Mobile home service equipment shall be line of sight and no more than ____ from the
exterior wall of the home
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?
15'
A power meter must be a minimum of ____ feet away from any door, gas meter, or window
opening.
3
A rod-type grounding electrode should have a minimum diameter of
5/8"
Conductors entering buildings shall be protected:
To the point of entrance
A grounding electrode must be in contact with soil a minimum:
8'
If a raceway has various conductors coming from different systems, then you should group
each system separately every:
6'
What is the maximum distance a service conductor can run over a roof?
6'
Soldered connections are not permitted for
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?
Questions with A-graded Answers, Latest
Edition
Min #receptacles in a garage
1
Mobile home service equipment shall be line of sight and no more than ____ from the
exterior wall of the home
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?
15'
A power meter must be a minimum of ____ feet away from any door, gas meter, or window
opening.
3
A rod-type grounding electrode should have a minimum diameter of
5/8"
Conductors entering buildings shall be protected:
To the point of entrance
A grounding electrode must be in contact with soil a minimum:
8'
If a raceway has various conductors coming from different systems, then you should group
each system separately every:
6'
What is the maximum distance a service conductor can run over a roof?
6'
Soldered connections are not permitted for
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?
