Exam Prep Version A&B Practice Questions
Latest Edition
DISCLAIMER: This document contains original practice questions written for exam preparation purposes only. It is not
affiliated with, endorsed by, or reproduced from the Electric Vehicle Infrastructure Training Program (EVITP), its certifying
bodies, or any other organization. No actual certification exam questions are reproduced herein.
VERSION A: 80-QUESTION PRACTICE SET
1. A Battery Electric Vehicle (BEV) differs from a Plug-in Hybrid Electric Vehicle (PHEV) in that the BEV:
A. Has a larger fuel tank for extended range
B. Uses only an electric motor and battery pack with no internal combustion engine
C. Requires a dedicated 480V supply for all charging operations
D. Operates exclusively on regenerative braking without any external charging
Correct Answer: B. Uses only an electric motor and battery pack with no internal combustion
engine
2. Which powertrain configuration describes a Hybrid Electric Vehicle (HEV) as it relates to external
charging infrastructure requirements?
A. It requires a Level 2 EVSE for optimal overnight charging
B. It cannot be plugged in and charges its battery solely through regenerative braking and the ICE
C. It uses a combined AC/DC onboard charger requiring a dedicated 240V branch circuit
D. It requires CHAdeMO DC fast charging equipment only
Correct Answer: B. It cannot be plugged in and charges its battery solely through regenerative
braking and the ICE
3. An onboard charger (OBC) in a BEV performs which primary function?
A. It converts DC from the battery pack to AC for the traction motor
B. It converts AC supply voltage from the EVSE to DC for storage in the high-voltage battery
C. It regulates the output voltage of a DC fast charger to match battery chemistry
D. It manages communication between the vehicle and the utility smart meter
Correct Answer: B. It converts AC supply voltage from the EVSE to DC for storage in the
high-voltage battery
4. A customer inquires about a PHEV with a 12 kWh usable battery. Assuming a Level 2 EVSE
supplying approximately 7.2 kW, what is the approximate minimum charge time from empty to full?
A. Less than 30 minutes
B. Approximately 1 hour and 40 minutes
C. Approximately 4 hours
D. Approximately 8 hours
Correct Answer: B. Approximately 1 hour and 40 minutes
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,5. The high-voltage battery system in a modern BEV typically operates in which voltage range?
A. 12–24V DC
B. 48–72V DC
C. 200–800V DC
D. 1,000–1,200V DC
Correct Answer: C. 200–800V DC
6. Regenerative braking in a BEV primarily accomplishes which of the following?
A. Supplements grid power by feeding energy back to the utility
B. Converts kinetic energy into electrical energy stored in the traction battery during deceleration
C. Bypasses the onboard charger to allow rapid DC battery replenishment
D. Activates the vehicle's GFCI protection circuit during braking events
Correct Answer: B. Converts kinetic energy into electrical energy stored in the traction battery
during deceleration
7. A PHEV owner who primarily commutes 20 miles daily and has access to Level 2 charging at home
would MOST benefit from which charging strategy?
A. Relying exclusively on DC fast charging stations for all charging needs
B. Charging nightly on Level 2 to maintain a fully topped battery for daily EV-only operation
C. Using Level 1 charging every three days to avoid battery degradation
D. Never charging via EVSE and relying solely on the ICE generator function
Correct Answer: B. Charging nightly on Level 2 to maintain a fully topped battery for daily
EV-only operation
8. Which statement correctly describes the relationship between a vehicle's onboard charger capacity
and the connected EVSE output?
A. The EVSE always dictates the exact charge rate regardless of vehicle capability
B. The vehicle's onboard charger rating is the limiting factor; the EVSE must be capable of supplying
at least that power
C. The actual charging rate is limited by the lower of the EVSE's rated output or the vehicle's onboard
charger capacity
D. DC fast charging bypasses the onboard charger, making OBC capacity irrelevant for all EVSE
types
Correct Answer: C. The actual charging rate is limited by the lower of the EVSE's rated output or
the vehicle's onboard charger capacity
9. Level 1 EVSE charging, as defined under SAE J1772 standards, operates at which nominal supply
voltage?
A. 120V AC, single-phase
B. 208V AC, three-phase
C. 240V AC, single-phase
D. 480V AC, three-phase
Correct Answer: A. 120V AC, single-phase
10. A Level 2 EVSE rated at 240V AC and 40A continuous output delivers approximately how many
kilowatts of power to a compatible vehicle?
A. 4.8 kW
B. 7.2 kW
C. 9.6 kW
D. 19.2 kW
Correct Answer: C. 9.6 kW
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,11. Which Level 2 EVSE circuit configuration is MOST appropriate for a commercial installation serving
a fleet of vehicles requiring up to 80A continuous current per charger?
A. 20A, 120V branch circuit with GFCI protection
B. 100A, 240V branch circuit sized at 125% of the 80A continuous load
C. 60A, 240V branch circuit with standard overcurrent protection
D. 30A, 120V multi-wire branch circuit
Correct Answer: B. 100A, 240V branch circuit sized at 125% of the 80A continuous load
12. DC Fast Charging (DCFC) is classified as Level 3 charging primarily because it:
A. Requires three-phase power in all installations
B. Bypasses the vehicle's onboard AC/DC charger and delivers DC directly to the traction battery
C. Uses three separate charging connectors simultaneously for maximum power delivery
D. Operates exclusively at voltages above 1,000V DC
Correct Answer: B. Bypasses the vehicle's onboard AC/DC charger and delivers DC directly to
the traction battery
13. A fleet manager asks you to compare charge time for a vehicle with a 60 kWh battery using Level 2
at 7.2 kW versus DCFC at 50 kW. Which calculation BEST approximates the difference in charge time
from 20% to 80% state of charge?
A. Level 2: ~5 hours vs. DCFC: ~43 minutes
B. Level 2: ~8.3 hours vs. DCFC: ~72 minutes
C. Level 2: ~3 hours vs. DCFC: ~20 minutes
D. Level 2: ~12 hours vs. DCFC: ~2 hours
Correct Answer: A. Level 2: ~5 hours vs. DCFC: ~43 minutes
14. What is the typical power output range for commercially deployed CCS Combo DC fast chargers?
A. 3.3–6.6 kW
B. 7.2–19.2 kW
C. 25–350 kW
D. 500–1,000 kW
Correct Answer: C. 25–350 kW
15. A residential customer with a 200A service panel wants to install a Level 2 EVSE with a 48A
continuous rating. The electrician calculates the existing load at 140A. Is the 200A service sufficient?
A. Yes; the 48A EVSE load plus 140A existing load equals 188A, within the 200A service rating
B. No; the continuous load rule requires the 48A be multiplied by 125%, resulting in 60A for the
EVSE, totaling 200A — exactly at the panel limit, leaving no margin
C. No; Level 2 EVSE always requires a dedicated 400A service upgrade
D. Yes; EVSE loads are not counted against service capacity per NEC Article 625
Correct Answer: B. No; the continuous load rule requires the 48A be multiplied by 125%,
resulting in 60A for the EVSE, totaling 200A — exactly at the panel limit, leaving no margin
16. Level 1 charging is MOST appropriately recommended for which installation scenario?
A. Commercial fleet depot requiring vehicles to be fully charged within a 4-hour shift window
B. Multi-unit dwelling with 50 simultaneous EVSE connections
C. Residential customer with a PHEV who drives under 30 miles daily and can charge overnight
D. DC fast charging corridor along a major interstate highway
Correct Answer: C. Residential customer with a PHEV who drives under 30 miles daily and can
charge overnight
17. The SAE J1772 standard defines the pilot signal duty cycle communicated from the EVSE to the
vehicle. This pilot signal is used primarily to:
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, A. Supply 12V DC power to the vehicle's accessory system
B. Communicate the maximum available current from the EVSE to the vehicle's charge management
system
C. Trigger the vehicle's GFCI protection circuit when a ground fault is detected
D. Initiate bidirectional power flow for Vehicle-to-Grid (V2G) operations
Correct Answer: B. Communicate the maximum available current from the EVSE to the vehicle's
charge management system
18. Which of the following Level 2 EVSE nameplate ratings would require a minimum 50A rated branch
circuit when applying NEC Article 625 continuous load requirements?
A. 24A continuous
B. 30A continuous
C. 32A continuous
D. 40A continuous
Correct Answer: D. 40A continuous
19. The SAE J1772 Type 1 connector is the North American standard for Level 1 and Level 2 AC
charging. It features how many pins?
A. 2 pins
B. 4 pins
C. 5 pins
D. 7 pins
Correct Answer: C. 5 pins
20. The Combined Charging System (CCS) Combo 1 connector used in North America combines the
SAE J1772 AC connector with:
A. Two additional DC power pins below the standard AC inlet
B. A CHAdeMO port integrated into the same housing
C. A three-phase AC connection for higher power AC charging
D. A wireless inductive charging coil integrated into the connector body
Correct Answer: A. Two additional DC power pins below the standard AC inlet
21. CHAdeMO is a DC fast charging standard primarily associated with which vehicle manufacturers?
A. General Motors and Ford
B. Tesla and BMW
C. Nissan and Mitsubishi, among others
D. Rivian and Lucid
Correct Answer: C. Nissan and Mitsubishi, among others
22. A CCS-compatible DCFC station is installed at a commercial site. A vehicle arrives equipped only
with a CHAdeMO inlet. Can this vehicle charge at this station?
A. Yes, because CCS and CHAdeMO are interoperable at the DC pin level
B. No, CHAdeMO and CCS use incompatible connector and communication protocols
C. Yes, provided the CCS dispenser is equipped with a J1772 adapter
D. No, but a Level 2 AC adapter can be used to charge the vehicle at a reduced rate on the CCS
dispenser
Correct Answer: B. No, CHAdeMO and CCS use incompatible connector and communication
protocols
23. The NACS (North American Charging Standard) connector, originally developed by Tesla and
adopted by SAE as J3400, is significant because:
A. It provides three-phase 480V AC charging for heavy-duty trucks only
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