EV Lesson 3 2026 | Questions & Answers | Latest Update
| Exam Prep | 100% Pass Guarantee
1. In planning an EVSE installation, how would you utilize the information found
in Chapter 9 of the NEC?
By ignoring Chapter 9 and relying solely on manufacturer guidelines.
By consulting Chapter 9 for aesthetic design choices in installation.
By referencing the tables for conductor properties to ensure proper
ampacity and installation standards are met.
By using Chapter 9 to determine the cost of installation materials.
2. What is the requirement for temperature ratings of equipment, overcurrent
devices, and conductors in relation to the lowest rated element of the circuit?
They must be exactly the same as the lowest rated element.
They can vary independently of the lowest rated element.
They must be equal to or greater than the lowest rated element.
They can be lower than the lowest rated element.
3. If an EVSE installation does not include strain relief in its charging cables,
what potential issue could arise during usage?
Improved charging efficiency.
Increased risk of cable damage and electrical hazards.
Reduced installation costs.
Enhanced user experience.
,4. Describe the significance of ampacity in the context of electrical installations
as outlined in the NEC.
Ampacity is the standard for measuring the efficiency of electrical
appliances.
Ampacity is a measure of the physical size of a conductor used in
electrical installations.
Ampacity refers to the maximum current a conductor can carry
without exceeding its temperature rating, which is crucial for
ensuring safety and preventing overheating in electrical
installations.
Ampacity is the minimum voltage required for a conductor to operate
effectively in electrical installations.
5. If an EVSE installation lacks a ground fault protection system, what potential
risks could arise for users?
Improved charging efficiency
Enhanced user interface experience
Reduced installation costs
Increased risk of electrical shock
6. If a new installation for Electric Vehicle Supply Equipment (EVSE) is to be set
up in a recreational vehicle park, which regulations would need to be
followed according to the NEC?
All applicable NEC regulations for installations on public and
private premises.
Only regulations for residential installations.
Only regulations for industrial installations.
, No NEC regulations would apply to recreational vehicle parks.
7. What is the primary requirement of NEC 110.14(C) concerning conductor
ampacity?
Conductor ampacity is irrelevant to installation standards.
Conductor ampacity must be determined based on the temperature
rating of the conductors.
Conductor ampacity must always be set at a maximum of 80%.
Conductor ampacity can be ignored if overcurrent protection is
provided.
8. What is the maximum charge current supplied by Level 2 EVSEs rated at 6.6
kilowatts operating at 220 VAC?
40 amps
50 amps
30 amps
20 amps
9. Overcurrent protection for EVSE is covered in which section?
Section 625.21
Section 625.41
Section 625.31
Section 625.1
10. If a new EVSE installation does not comply with the requirements set forth in
NECA 413-2012, what potential issues could arise?
Lower installation costs
| Exam Prep | 100% Pass Guarantee
1. In planning an EVSE installation, how would you utilize the information found
in Chapter 9 of the NEC?
By ignoring Chapter 9 and relying solely on manufacturer guidelines.
By consulting Chapter 9 for aesthetic design choices in installation.
By referencing the tables for conductor properties to ensure proper
ampacity and installation standards are met.
By using Chapter 9 to determine the cost of installation materials.
2. What is the requirement for temperature ratings of equipment, overcurrent
devices, and conductors in relation to the lowest rated element of the circuit?
They must be exactly the same as the lowest rated element.
They can vary independently of the lowest rated element.
They must be equal to or greater than the lowest rated element.
They can be lower than the lowest rated element.
3. If an EVSE installation does not include strain relief in its charging cables,
what potential issue could arise during usage?
Improved charging efficiency.
Increased risk of cable damage and electrical hazards.
Reduced installation costs.
Enhanced user experience.
,4. Describe the significance of ampacity in the context of electrical installations
as outlined in the NEC.
Ampacity is the standard for measuring the efficiency of electrical
appliances.
Ampacity is a measure of the physical size of a conductor used in
electrical installations.
Ampacity refers to the maximum current a conductor can carry
without exceeding its temperature rating, which is crucial for
ensuring safety and preventing overheating in electrical
installations.
Ampacity is the minimum voltage required for a conductor to operate
effectively in electrical installations.
5. If an EVSE installation lacks a ground fault protection system, what potential
risks could arise for users?
Improved charging efficiency
Enhanced user interface experience
Reduced installation costs
Increased risk of electrical shock
6. If a new installation for Electric Vehicle Supply Equipment (EVSE) is to be set
up in a recreational vehicle park, which regulations would need to be
followed according to the NEC?
All applicable NEC regulations for installations on public and
private premises.
Only regulations for residential installations.
Only regulations for industrial installations.
, No NEC regulations would apply to recreational vehicle parks.
7. What is the primary requirement of NEC 110.14(C) concerning conductor
ampacity?
Conductor ampacity is irrelevant to installation standards.
Conductor ampacity must be determined based on the temperature
rating of the conductors.
Conductor ampacity must always be set at a maximum of 80%.
Conductor ampacity can be ignored if overcurrent protection is
provided.
8. What is the maximum charge current supplied by Level 2 EVSEs rated at 6.6
kilowatts operating at 220 VAC?
40 amps
50 amps
30 amps
20 amps
9. Overcurrent protection for EVSE is covered in which section?
Section 625.21
Section 625.41
Section 625.31
Section 625.1
10. If a new EVSE installation does not comply with the requirements set forth in
NECA 413-2012, what potential issues could arise?
Lower installation costs
