CSLB C 10 UPDATED ACTUAL EXAM QUESTIONS CORRECT ANSWERS GRADED A PLUS
Question:
Mobile home service equipment shall be line of sight and no more than ____ from the exterior wall
of the home
Answer:
30'
Question:
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'
Question:
A power meter must be a minimum of ____ feet away from any door, gas meter, or window
opening.
Answer:
3
Question:
A rod-type grounding electrode should have a minimum diameter of
Answer:
5/8"
Question:
, Conductors entering buildings shall be protected:
Answer:
To the point of entrance
Question:
A grounding electrode must be in contact with soil a minimum:
Answer:
8'
Question:
If a raceway has various conductors coming from different systems, then you should group each
system separately every:
Answer:
6'
Question:
What is the maximum distance a service conductor can run over a roof?
Answer:
6'
Question:
Soldered connections are not permitted for
Answer:
Grounded connections
Question:
Question:
Mobile home service equipment shall be line of sight and no more than ____ from the exterior wall
of the home
Answer:
30'
Question:
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'
Question:
A power meter must be a minimum of ____ feet away from any door, gas meter, or window
opening.
Answer:
3
Question:
A rod-type grounding electrode should have a minimum diameter of
Answer:
5/8"
Question:
, Conductors entering buildings shall be protected:
Answer:
To the point of entrance
Question:
A grounding electrode must be in contact with soil a minimum:
Answer:
8'
Question:
If a raceway has various conductors coming from different systems, then you should group each
system separately every:
Answer:
6'
Question:
What is the maximum distance a service conductor can run over a roof?
Answer:
6'
Question:
Soldered connections are not permitted for
Answer:
Grounded connections
Question:
