CSLB C10 2027 | 100% Correct Answers | A+ Guide
Question 1.
Mobile home service equipment shall be line of sight and no more than ____ from the
exterior wall of the home
Correct Answer: 30'
Question 2.
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'
Question 3.
A power meter must be a minimum of ____ feet away from any door, gas meter, or
window opening.
Correct Answer: 3
Question 4.
A rod-type grounding electrode should have a minimum diameter of
Correct Answer: 5/8"
Question 5.
Conductors entering buildings shall be protected:
Correct Answer: To the point of entrance
Question 6.
A grounding electrode must be in contact with soil a minimum:
Correct Answer: 8'
Question 7.
If a raceway has various conductors coming from different systems, then you should
group each system separately every:
Correct Answer: 6'
Question 8.
What is the maximum distance a service conductor can run over a roof?
, Correct Answer: 6'
Question 9.
Soldered connections are not permitted for
Correct Answer: Grounded connections
Question 10.
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? -✓✓Orange
Question 11.
What is the purpose of a BOS?
Correct Answer: Integrates PV into the building's load
Question 12.
Cable trays or similar raceways carrying service entrance conductors must:
Correct Answer: Be Labled
Question 13.
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 dimmer is designed, tested and UL listed for the specific lighting
source or load type.
Question 14.
What is the most common location for trim in electrical equipment?
Correct Answer: Panelboards
Question 15.
What is the most common location for terminal lugs?
Correct Answer: Batteries in PV system
Question 1.
Mobile home service equipment shall be line of sight and no more than ____ from the
exterior wall of the home
Correct Answer: 30'
Question 2.
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'
Question 3.
A power meter must be a minimum of ____ feet away from any door, gas meter, or
window opening.
Correct Answer: 3
Question 4.
A rod-type grounding electrode should have a minimum diameter of
Correct Answer: 5/8"
Question 5.
Conductors entering buildings shall be protected:
Correct Answer: To the point of entrance
Question 6.
A grounding electrode must be in contact with soil a minimum:
Correct Answer: 8'
Question 7.
If a raceway has various conductors coming from different systems, then you should
group each system separately every:
Correct Answer: 6'
Question 8.
What is the maximum distance a service conductor can run over a roof?
, Correct Answer: 6'
Question 9.
Soldered connections are not permitted for
Correct Answer: Grounded connections
Question 10.
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? -✓✓Orange
Question 11.
What is the purpose of a BOS?
Correct Answer: Integrates PV into the building's load
Question 12.
Cable trays or similar raceways carrying service entrance conductors must:
Correct Answer: Be Labled
Question 13.
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 dimmer is designed, tested and UL listed for the specific lighting
source or load type.
Question 14.
What is the most common location for trim in electrical equipment?
Correct Answer: Panelboards
Question 15.
What is the most common location for terminal lugs?
Correct Answer: Batteries in PV system
