EVITP Electrical Vehicle Infrastructure Certification Exam — Questions and Answers

Question 1: What is the critical safety step before replacing a damaged EVSE connector?

Test with a vehicle first
Download updated firmware
De-energize and lock out the circuit (Correct answer)
Notify the local utility

Correct answer: De-energize and lock out the circuit

De-energizing and applying lockout/tagout procedures is mandatory before replacing any EVSE component to prevent electrical shock.

Question 2: A parking facility wants to install Level 2 EVSE in 20% of spaces as required by a local ordinance. Which planning step ensures future scalability?

Running conduit sleeves to all spaces but wiring only the required 20% (Correct answer)
Relying on wireless charging pads to avoid conduit planning
Installing all conduit and wiring for 100% of spaces immediately
Designing the electrical panel for current 20% load only

Correct answer: Running conduit sleeves to all spaces but wiring only the required 20%

Make-ready infrastructure—conduit without wiring—allows cost-effective future expansion without tearing up pavement.

Question 3: What is electrical bonding for EV chargers?

Gluing wires together
Connecting terminals
Connecting all metal parts to same electrical potential to prevent shock (Correct answer)
Wire insulation type

Correct answer: Connecting all metal parts to same electrical potential to prevent shock

Bonding prevents dangerous voltage differences between metal parts.

Question 4: What does a ground fault in an EVSE typically indicate?

An unintended path of current to ground (Correct answer)
Normal operation
High voltage output
Low charging speed

Correct answer: An unintended path of current to ground

A ground fault indicates current is flowing along an unintended path to ground, which is a safety hazard requiring immediate attention.

Question 5: What is smart charging in the context of EVSE installations?

Charging vehicles faster than standard rates
Installing chargers only in smart buildings
Using AI to predict weather patterns
Managing EV charging based on grid signals, pricing, or load conditions (Correct answer)

Correct answer: Managing EV charging based on grid signals, pricing, or load conditions

Smart charging uses communication between the EVSE, grid, and energy management systems to optimize charging timing, rate, and cost.

Question 6: What factors affect EV charging speed?

Only the cable length
Only the battery size
Only the charger power
Battery SOC, temperature, charger power rating, and vehicles maximum acceptance rate (Correct answer)

Correct answer: Battery SOC, temperature, charger power rating, and vehicles maximum acceptance rate

Multiple factors on both the vehicle and charger side determine actual speed.

Question 7: What is the 80% continuous load rule?

80% of spaces need chargers
EV charging load must not exceed 80% of breaker rating for 3+ hour operation (Correct answer)
Battery charges to 80% only
80% efficiency requirement

Correct answer: EV charging load must not exceed 80% of breaker rating for 3+ hour operation

Continuous loads (3+ hours) cannot exceed 80% of circuit protection rating.

Question 8: What is the proper wire pulling technique for EV conduit?

Just push wire through
Apply lubricant, use proper equipment, respect tension limits, observe fill ratios (Correct answer)
No technique needed
Use water as lubricant

Correct answer: Apply lubricant, use proper equipment, respect tension limits, observe fill ratios

Multiple techniques protect wire insulation during installation.

Question 9: A fleet depot installs EVSE units in a maintenance bay with no natural lighting. What lighting standard must be met at the charging interface to support safe, accessible operation?

Passive reflective strips on the cable only
A minimum of 5 foot-candles at the display surface
A minimum of 50 foot-candles at the display and connector interface (Correct answer)
Overhead fluorescent fixtures within 20 feet of the station

Correct answer: A minimum of 50 foot-candles at the display and connector interface

OSHA and NEC guidance for task-level illumination in equipment operation areas recommends at least 50 foot-candles at the point of user interaction for safety.

Question 10: For an EVSE project funded by a federal grant, which prevailing wage law typically applies to construction labor costs?

National Labor Relations Act
Fair Labor Standards Act
Walsh-Healey Public Contracts Act
Davis-Bacon Act (Correct answer)

Correct answer: Davis-Bacon Act

The Davis-Bacon Act requires that workers on federally funded construction projects receive locally prevailing wages.

Question 11: What is lockout/tagout for EV installations?

A wire connection method
Ensuring circuits are de-energized and locked to prevent accidental energization (Correct answer)
A software feature
A security lock on the charger

Correct answer: Ensuring circuits are de-energized and locked to prevent accidental energization

LOTO physically prevents power from being restored during maintenance.

Question 12: What does the duty cycle of the SAE J1772 pilot signal indicate to the electric vehicle?

The maximum current the EVSE can supply (Correct answer)
The remaining session time authorized
The voltage level available at the connector
The vehicle's state of charge

Correct answer: The maximum current the EVSE can supply

The duty cycle of the 1 kHz pilot signal encodes the maximum available current: for example, a 50% duty cycle indicates 24 A available.

Question 13: What is 'Plug and Charge' (ISO 15118) and how does it differ from RFID-based authentication?

It relies on a mobile app Bluetooth connection for authorization
It requires the driver to enter a PIN at the charger keypad
It enables the vehicle to authenticate automatically with the EVSE via encrypted certificates over the pilot line, without user action (Correct answer)
It uses a proprietary dongle on the cable instead of a card reader

Correct answer: It enables the vehicle to authenticate automatically with the EVSE via encrypted certificates over the pilot line, without user action

ISO 15118 Plug and Charge uses X.509 certificates exchanged over the Power Line Communication (PLC) pilot link so the vehicle automatically authenticates without the driver presenting a card.

Question 14: What trenching requirements apply to underground conduit?

No burial requirements
Any depth works
Minimum burial depth per NEC, sand bedding, warning tape (Correct answer)
Only 2 inches deep

Correct answer: Minimum burial depth per NEC, sand bedding, warning tape

Underground conduit has specific depth and protection requirements.

Question 15: What does a consistently tripping GFCI breaker in an EVSE installation most likely indicate?

High demand on the grid
The vehicle battery is full
Normal operation
A ground fault or leakage current in the circuit (Correct answer)

Correct answer: A ground fault or leakage current in the circuit

A repeatedly tripping GFCI indicates the presence of ground fault current or leakage current exceeding the safe threshold.

Question 16: What is demand response for EV charging?

Warranty response
Customer complaint handling
Adjusting charging based on grid capacity and electricity demand (Correct answer)
Maintenance scheduling

Correct answer: Adjusting charging based on grid capacity and electricity demand

Demand response coordinates charging with grid capacity.

Question 17: What is the purpose of the 'heartbeat' message in the OCPP protocol?

To remotely update the station's firmware
To transmit meter readings at the end of a session
To confirm the charging station is online and maintain its connection to the central system (Correct answer)
To initiate a new EV charging session

Correct answer: To confirm the charging station is online and maintain its connection to the central system

The heartbeat message is sent periodically by the charging station to the central system to confirm it is still connected and operational, similar to a keep-alive signal.

Question 18: A municipality wants to build EV charging in a public parking garage using CFI grant funds. What is the minimum required non-federal cost share?

20% (Correct answer)
10%
50%
40%

Correct answer: 20%

Like NEVI, the CFI Discretionary Grant Program requires a minimum 20% non-federal match for eligible project costs.

Question 19: What are the three levels of EV charging?

Slow, Normal, Turbo
Low, Medium, High
Level 1 (120V AC), Level 2 (240V AC), and Level 3/DC Fast Charging (Correct answer)
Basic, Standard, Premium

Correct answer: Level 1 (120V AC), Level 2 (240V AC), and Level 3/DC Fast Charging

Level 1 uses standard 120V outlets, Level 2 uses 240V, and Level 3 provides high-power DC directly to the battery.

Question 20: What is the primary advantage of integrating solar photovoltaic (PV) generation with an EV charging installation?

It provides unlimited free energy for unrestricted charging
It can offset charging energy costs and reduce peak demand drawn from the grid (Correct answer)
It eliminates the need for building permits and inspections
It eliminates all utility grid connection requirements

Correct answer: It can offset charging energy costs and reduce peak demand drawn from the grid

Solar PV integration generates on-site electricity to power EV chargers, reducing grid energy costs and peak demand charges for the site operator.

Question 21: Which network protocol automatically assigns IP addresses to EVSE units on a network?

HTTP
FTP
DNS
DHCP (Correct answer)

Correct answer: DHCP

DHCP (Dynamic Host Configuration Protocol) automatically assigns IP addresses to networked devices, including EVSE, eliminating the need for manual static configuration.

Question 22: What is battery degradation?

Immediate failure
Gradual loss of battery capacity over time and charging cycles (Correct answer)
A recall issue
Battery explosion

Correct answer: Gradual loss of battery capacity over time and charging cycles

Batteries slowly lose maximum capacity through normal use.

Question 23: What is a GFCI and why is it required for EV charging?

Improves charging speed
Detects ground faults and disconnects power to prevent shock (Correct answer)
A grounding rod
A type of breaker

Correct answer: Detects ground faults and disconnects power to prevent shock

GFCI protection detects current leakage and disconnects in milliseconds.

Question 24: What does grid-friendly EV charging refer to?

Using only renewable energy sources for all charging
Installing chargers physically near power distribution lines
Fast charging to minimize total vehicle connection time
Charging practices that reduce grid stress through load management and off-peak timing (Correct answer)

Correct answer: Charging practices that reduce grid stress through load management and off-peak timing

Grid-friendly charging uses smart controls to minimize peak demand, avoid grid stress, and support grid stability through managed and timed charging practices.

Question 25: What is the primary difference between Level 2 and DC Fast Chargers?

Level 2 chargers are faster than DC Fast Chargers
Level 2 chargers are designed for home use, while DC Fast Chargers are for public and commercial use (Correct answer)
DC Fast Chargers are cheaper to install compared to Level 2 chargers
DC Fast Chargers use a standard 120-volt outlet

Correct answer: Level 2 chargers are designed for home use, while DC Fast Chargers are for public and commercial use

Level 2 chargers typically provide 240V AC power, suitable for overnight charging at homes or workplaces, offering a balance of speed and cost. DC Fast Chargers, conversely, deliver much higher power (DC) directly to the vehicle's battery, enabling very rapid charging. This makes them ideal for public and commercial settings where drivers need to quickly refuel and continue their journey.

Question 26: Which policy approach helps to promote the widespread adoption of EV charging infrastructure?

Mandates for EV ownership
Restrictions on conventional vehicles
Public-private partnerships (Correct answer)
Fuel economy standards for gasoline vehicles

Correct answer: Public-private partnerships

Public-private partnerships are a highly effective policy approach because they combine government support (e.g., funding, regulatory frameworks) with private sector innovation and investment. This collaboration accelerates the deployment of charging infrastructure, leverages diverse expertise, and shares risks. Such partnerships lead to more robust and widespread adoption of EV charging solutions.

Question 27: What is one of the primary goals of state-level EV infrastructure incentives?

To reduce the cost of electricity
To increase the number of gas stations
To enhance EV charging accessibility and convenience (Correct answer)
To regulate the price of EVs

Correct answer: To enhance EV charging accessibility and convenience

State-level EV infrastructure incentives primarily aim to expand the availability and ease of access to charging stations across the state. By making charging more convenient and readily available in various locations, these programs reduce range anxiety and encourage more residents to adopt electric vehicles. This supports broader environmental and economic goals by fostering EV adoption.

Question 28: What is the primary purpose of smart charging or 'managed charging' in EVSE networks?

Eliminate the need for any communication protocols
Optimize charging based on grid conditions, pricing, and user preferences (Correct answer)
Maximize charging speed at all times regardless of grid conditions
Prevent vehicles from being plugged in during peak hours entirely

Correct answer: Optimize charging based on grid conditions, pricing, and user preferences

Smart charging optimizes when and how fast EVs charge by responding to grid demand signals, electricity pricing, and user schedules to reduce costs and grid stress.

Question 29: An EVSE displays an 'Isolation Fault' error and refuses to start a session. What is the most likely cause?

The RFID card presented is not authorized
The pilot signal duty cycle is set incorrectly
The revenue meter has lost communication with the network
A leakage path has been detected between the DC bus and chassis ground (Correct answer)

Correct answer: A leakage path has been detected between the DC bus and chassis ground

An isolation fault indicates that the DC fast charger's monitoring circuit has detected an unacceptable leakage resistance between the high-voltage DC bus and the equipment ground.

Question 30: What is a load calculation for EV charging?

Calculating electricity cost
Determining if existing service can handle additional EV loads (Correct answer)
Determining charge time
Measuring panel distance

Correct answer: Determining if existing service can handle additional EV loads

This ensures the building can support the additional electrical demand.

Question 31: What is a sub-panel for EV charging?

Additional panel providing dedicated circuit space for EV chargers (Correct answer)
A battery monitor
A billing panel
A display screen

Correct answer: Additional panel providing dedicated circuit space for EV chargers

A sub-panel provides additional circuit space when the main panel is full.

Question 32: What is regenerative braking in EVs?

Converting kinetic energy back to electrical energy during deceleration to recharge the battery (Correct answer)
A parking brake feature
An emergency braking system
Using traditional brake pads

Correct answer: Converting kinetic energy back to electrical energy during deceleration to recharge the battery

Regenerative braking captures energy that would otherwise be lost as heat.

Question 33: Which document must NEVI recipients submit to demonstrate compliance with Buy America provisions for federally funded EV infrastructure?

Both a Buy America compliance certification and a waiver request if needed (Correct answer)
Buy America Waiver Application if domestic products unavailable
State Procurement Compliance Report
Certificate of Origin for all equipment

Correct answer: Both a Buy America compliance certification and a waiver request if needed

Recipients must certify Buy America compliance or apply for a waiver from FHWA when compliant materials are unavailable or cost-prohibitive.

Question 34: What is demand charge management in the context of EV charging installations?

Managing the building HVAC electrical demand
Strategies to reduce peak power draw and associated utility demand charges (Correct answer)
Billing EV drivers for energy consumed
Tracking how many vehicles charge per day

Correct answer: Strategies to reduce peak power draw and associated utility demand charges

Demand charge management involves controlling charging loads to minimize peak demand and reduce utility demand charges for site owners.

Question 35: What is the difference between AC and DC charging?

AC is always faster
No difference
DC is only for homes
AC charging converts power inside the vehicle; DC charging converts power externally and delivers DC directly (Correct answer)

Correct answer: AC charging converts power inside the vehicle; DC charging converts power externally and delivers DC directly

The location of power conversion differs between the two methods.

Question 36: Which interconnection agreement is typically required when a site pairs EVSE with a behind-the-meter battery energy storage system that may export power?

No agreement needed for behind-the-meter storage
Net Energy Metering (NEM) or export interconnection agreement (Correct answer)
Demand response curtailment contract only
Standard service agreement

Correct answer: Net Energy Metering (NEM) or export interconnection agreement

Storage systems capable of exporting energy require a net metering or export interconnection agreement with the utility.

Question 37: Which maintenance task helps prevent connector degradation at EVSE installations?

Increasing charging current
Cleaning contacts and inspecting for wear regularly (Correct answer)
Replacing cables annually
Painting the connector housing

Correct answer: Cleaning contacts and inspecting for wear regularly

Regular cleaning of electrical contacts and visual inspection for wear prevents connection degradation and ensures reliable charging performance.

Question 38: A site survey reveals underground utilities crossing the planned trench route for EVSE conduit. What is the required first step before excavation?

Consult the EV charger manufacturer
Call 811 (Call Before You Dig) for utility locates (Correct answer)
Obtain a building permit
Install temporary fencing around the area

Correct answer: Call 811 (Call Before You Dig) for utility locates

Calling 811 before digging is federally mandated to locate buried utilities and prevent dangerous strikes.

Question 39: What documentation is required after EV charger installation?

Only a receipt
No documentation needed
Inspection approval, manuals, warranty, load calculations, as-built drawings (Correct answer)
Just a photo

Correct answer: Inspection approval, manuals, warranty, load calculations, as-built drawings

Thorough records serve regulatory and practical purposes.

Question 40: What is the typical range of a modern EV?

500+ miles standard
50 miles maximum
200-300+ miles on a full charge depending on battery size and efficiency (Correct answer)
Under 100 miles

Correct answer: 200-300+ miles on a full charge depending on battery size and efficiency

Modern EVs offer practical ranges that meet most daily driving needs.

Question 41: What is a common solution when a site's electrical service capacity is insufficient for the desired number of EVSE units?

Installing only DC fast chargers
Reducing the number of vehicles permitted on site
Power sharing and dynamic load management systems (Correct answer)
Using longer charging cables to distribute load

Correct answer: Power sharing and dynamic load management systems

Power sharing and dynamic load management systems allow multiple chargers to share available capacity, enabling deployment without costly service upgrades.

Question 42: What is battery thermal management?

Air conditioning for the cabin
Engine cooling
Tire pressure monitoring
Systems to maintain optimal battery temperature for performance and longevity (Correct answer)

Correct answer: Systems to maintain optimal battery temperature for performance and longevity

Batteries perform best within a specific temperature range.

Question 43: What is the role of EVSE?

A fancy extension cord
A solar panel
Managing power delivery safely between supply and vehicle (Correct answer)
The car battery charger

Correct answer: Managing power delivery safely between supply and vehicle

EVSE is the intelligent interface between grid and vehicle.

Question 44: What is State of Charge (SOC)?

The battery temperature
The voltage level
The charging speed
The remaining battery capacity as a percentage of total capacity (Correct answer)

Correct answer: The remaining battery capacity as a percentage of total capacity

SOC indicates how much energy remains in the battery.

Question 45: What is energy management integration for EV charging?

A lighting control
A separate billing system
An HVAC setting
Coordinating EV charging with building energy systems and solar/storage (Correct answer)

Correct answer: Coordinating EV charging with building energy systems and solar/storage

Integrating EV charging with other building systems optimizes energy use.

Question 46: For an EVSE touchscreen display, which font size is considered the minimum for body text to support users with low vision without requiring additional magnification aids?

14 point (Correct answer)
8 point
12 point
10 point

Correct answer: 14 point

A minimum of 14-point font is widely recommended for outdoor kiosk displays to remain legible for users with mild to moderate low vision.

Question 47: Which diagnostic tool is commonly used to test the continuity of EVSE wiring?

Oscilloscope
Multimeter (Correct answer)
Thermal camera
Megohmmeter

Correct answer: Multimeter

A multimeter is the standard tool for checking continuity, voltage, and resistance in EVSE wiring.

Question 48: What are outdoor EV charger installation requirements?

Only a roof
No special requirements
Weather-rated enclosures, proper drainage, GFCI, weather-resistant conduit (Correct answer)
Standard indoor equipment works

Correct answer: Weather-rated enclosures, proper drainage, GFCI, weather-resistant conduit

Outdoor installations need specific weather protection.

Question 49: How often should EVSE equipment undergo routine preventive maintenance inspections?

Annually (Correct answer)
Every 3 years
Only when problems occur
Every 5 years

Correct answer: Annually

Annual preventive maintenance inspections help identify wear and potential issues before equipment failure occurs.

Question 50: Which type of meter should be used to measure insulation resistance in EVSE wiring?

Clamp meter
Voltmeter
Wattmeter
Megohmmeter (Correct answer)

Correct answer: Megohmmeter

A megohmmeter (megger) applies high voltage to measure insulation resistance and detect wiring degradation in EVSE circuits.

Question 51: What is proper EV charger mounting height?

Any height
Exactly 6 feet
Connector and controls between 24-48 inches above grade (Correct answer)
Ground level only

Correct answer: Connector and controls between 24-48 inches above grade

The height range considers usability and accessibility.

Question 52: Which NEC article primarily governs the installation of electric vehicle charging systems in commercial occupancies?

Article 210
Article 700
Article 625 (Correct answer)
Article 220

Correct answer: Article 625

NEC Article 625 covers electric vehicle charging systems, including equipment requirements and installation methods.

Question 53: Which framework is most commonly referenced for cybersecurity requirements in U.S. EV charging infrastructure?

NIST Cybersecurity Framework (Correct answer)
ASME Boiler and Pressure Vessel Code
ANSI Z535 Safety Color Code Standard
ISO 9001 Quality Management Standard

Correct answer: NIST Cybersecurity Framework

The NIST Cybersecurity Framework provides guidelines for managing cybersecurity risks and is the primary reference for securing U.S. EV charging infrastructure and critical systems.

Question 54: What conduit types are used for outdoor EV installations?

RMC or PVC Sch 80 underground, EMT in protected areas (Correct answer)
Flexible cord only
Standard Romex wire
No conduit needed

Correct answer: RMC or PVC Sch 80 underground, EMT in protected areas

Conduit type depends on location and exposure to damage.

Question 55: Which standard is most widely adopted for communication between EV charging stations and back-office management systems in the US?

ISO 9001 quality management
OCPP (Open Charge Point Protocol) (Correct answer)
SAE J3072 interconnection standard
IEEE 802.11 wireless networking

Correct answer: OCPP (Open Charge Point Protocol)

OCPP is the most widely adopted standard for communication between EV charging stations and central management systems in the US and globally.

Question 56: What utility coordination is needed for commercial EV charging?

Only pay the bill
No coordination needed
Notify about demand increase, potential upgrades, rate options (Correct answer)
Just file a permit

Correct answer: Notify about demand increase, potential upgrades, rate options

The utility needs to know about significant new electrical loads.

Question 57: What is the primary role of a Charging Network Management System (CNMS) in a large EVSE deployment?

Determining the electrical load of each vehicle
Issuing permits for new installations
Remotely monitoring, managing sessions, and processing payments across multiple chargers (Correct answer)
Physically installing the charger hardware

Correct answer: Remotely monitoring, managing sessions, and processing payments across multiple chargers

A CNMS provides remote visibility and control over charger status, session data, billing, and maintenance alerts across a network.

Question 58: What are the main types of EV batteries?

Nickel-cadmium only
Lead-acid only
Lithium-ion (Li-ion) in various chemistries like NMC, LFP, and NCA (Correct answer)
Alkaline batteries

Correct answer: Lithium-ion (Li-ion) in various chemistries like NMC, LFP, and NCA

Modern EVs primarily use lithium-ion batteries in various chemical compositions.

Question 59: What is the appropriate response when an EVSE displays an over-temperature fault?

Ignore it and monitor later
Continue charging at a reduced rate
Shut down charging and investigate ventilation (Correct answer)
Update the unit firmware

Correct answer: Shut down charging and investigate ventilation

An over-temperature fault requires immediate charging shutdown and investigation of cooling and ventilation to prevent equipment damage or fire.

Question 60: A developer plans a 50-unit multifamily building with EV readiness. Which approach aligns with California's Title 24 EV-ready requirements?

No requirement applies to multifamily buildings under 100 units
Install fully operational Level 2 chargers in 10% of spaces
Provide conduit, wiring, and panel capacity for 10% of spaces as EV-ready (Correct answer)
Install Level 1 outlets in all spaces

Correct answer: Provide conduit, wiring, and panel capacity for 10% of spaces as EV-ready

California Title 24 requires EV-ready spaces—conduit, wiring, and panel capacity—for a percentage of multifamily parking stalls.

Question 61: What is the continuous load rule for EV charging?

Breaker matches load exactly
Circuit breaker must be rated at 125% of maximum load (Correct answer)
No specific rule
50% of load rating

Correct answer: Circuit breaker must be rated at 125% of maximum load

EV charging is a continuous load requiring 125% circuit rating.

Question 62: What is a CCS connector?

Combined Charging System adding DC pins to J1772 for fast charging (Correct answer)
A solar charging connector
A circuit monitoring device
A cable management system

Correct answer: Combined Charging System adding DC pins to J1772 for fast charging

CCS combines J1772 AC connector with DC fast charging pins.

Question 63: Which communication technology is used in the Combined Charging System (CCS) for data exchange between the EV and EVSE over the charging cable itself?

NFC (Near Field Communication)
Wi-Fi Direct
Power Line Communication (PLC) (Correct answer)
Bluetooth Low Energy

Correct answer: Power Line Communication (PLC)

CCS uses Power Line Communication (PLC) to transmit data signals over the same conductors that carry the charging power, enabling communication without a separate data wire.

Question 64: How does a network-managed EVSE interact with grid demand signals?

It tracks and schedules vehicle maintenance appointments
It manages parking access and enforcement
It monitors local weather conditions for charging efficiency
It automatically adjusts charging rate based on grid demand signals or utility commands (Correct answer)

Correct answer: It automatically adjusts charging rate based on grid demand signals or utility commands

Network-managed EVSE can receive grid demand signals or utility commands to adjust charging rates, supporting demand response and grid stability programs.

Question 65: What maintenance do EV chargers require?

Vehicle owner responsibility
Only cleaning
No maintenance needed
Inspect connectors/cables, verify mounting, software updates, GFCI testing (Correct answer)

Correct answer: Inspect connectors/cables, verify mounting, software updates, GFCI testing

Regular checks of components and safety systems are needed.

Question 66: What is the NEC article governing EV charging installations?

Article 625 (Correct answer)
Article 240
Article 480
Article 210

Correct answer: Article 625

NEC Article 625 specifically covers Electric Vehicle Power Transfer Systems.

Question 67: What connector type is standard for Level 2 charging in North America?

GB/T
Type 2 Mennekes
SAE J1772 (Correct answer)
CHAdeMO

Correct answer: SAE J1772

SAE J1772 is the North American standard for Level 1 and Level 2 AC charging.

Question 68: What is the primary user experience benefit of real-time charger availability data integrated into navigation apps like Google Maps or Apple Maps?

It allows remote software updates to the EVSE
It reduces electricity cost for the station operator
Drivers can plan routes to occupied chargers and avoid wasted trips (Correct answer)
It automatically reserves a charging slot for the driver

Correct answer: Drivers can plan routes to occupied chargers and avoid wasted trips

Real-time availability data in navigation apps prevents drivers from arriving at a full station, reducing range anxiety and unnecessary detours.

Question 69: In a bidirectional charging setup (V2G), what additional capability must the EVSE hardware include compared to a standard charger?

A second pilot signal line for reverse communication
An inverter capable of converting DC from the vehicle battery back to AC grid power (Correct answer)
A second utility meter for net metering
Higher amperage output up to 200 A

Correct answer: An inverter capable of converting DC from the vehicle battery back to AC grid power

V2G (Vehicle-to-Grid) requires the EVSE to include an inverter so that DC energy from the vehicle battery can be converted back to AC for export to the grid.

Question 70: Which certification or standard must NEVI-funded EVSE equipment meet to demonstrate safety and interoperability compliance?

ISO 9001 Quality Management
CE Marking for European markets
ANSI/IEEE 802.11 wireless standard
UL or equivalent Nationally Recognized Testing Laboratory (NRTL) listing (Correct answer)

Correct answer: UL or equivalent Nationally Recognized Testing Laboratory (NRTL) listing

NEVI requires all EVSE to be listed by UL or another NRTL, confirming the equipment meets applicable safety standards.

Question 71: What role does a battery energy storage system (BESS) play when co-located with EV chargers?

It stores energy to supply chargers during peak periods, reducing demand charges (Correct answer)
It monitors and logs charging sessions
It charges vehicles wirelessly
It replaces the need for a utility grid connection

Correct answer: It stores energy to supply chargers during peak periods, reducing demand charges

A co-located BESS stores energy during off-peak periods and discharges during peak demand, reducing grid demand and associated demand charges.

Question 72: What grounding requirements apply to EV charger installations?

Equipment grounding conductor, GFCI protection, and proper bonding per NEC (Correct answer)
Only the charger needs grounding
Grounding is optional
No grounding needed

Correct answer: Equipment grounding conductor, GFCI protection, and proper bonding per NEC

Multiple layers of grounding and fault protection are required.

Question 73: What does ISO 15118's Plug & Charge (PnC) feature primarily improve from a user experience standpoint?

It increases charging speed by 30%
It standardizes connector shapes across all networks
It enables wireless charging without a physical plug
It eliminates the need for cards or apps by authenticating via the cable connection (Correct answer)

Correct answer: It eliminates the need for cards or apps by authenticating via the cable connection

Plug & Charge (ISO 15118) allows the vehicle to automatically authenticate and authorize payment when connected, removing manual steps for users.

Question 74: Which NEVI program requirement relates to ensuring EV chargers are accessible and usable by drivers with disabilities?

Americans with Disabilities Act (ADA) accessibility standards (Correct answer)
Federal Transit Administration Guidelines
NEVI Equity and Access Provision
Section 508 Compliance

Correct answer: Americans with Disabilities Act (ADA) accessibility standards

NEVI-funded charging stations must comply with ADA accessibility standards to ensure equitable access for people with disabilities.

Question 75: What wire sizing factors apply to EV charging?

Only length matters
Any wire size works
Manufacturer decides only
Continuous load rating, voltage drop, ambient temperature, conduit fill (Correct answer)

Correct answer: Continuous load rating, voltage drop, ambient temperature, conduit fill

Multiple factors beyond just current draw affect wire sizing.

Question 76: What is Vehicle-to-Grid (V2G) technology?

Autonomous driving
EVs discharging energy back to the grid during peak demand (Correct answer)
GPS navigation for EVs
Remote diagnostics

Correct answer: EVs discharging energy back to the grid during peak demand

V2G enables bidirectional power flow from EV batteries to the grid.

Question 77: During a usability test at an EV charging station, most users fail to find the emergency stop button within 10 seconds. According to UX best practices, what corrective action is most appropriate?

Remove the emergency stop button to simplify the interface
Require training before station use
Reposition the button to a prominent, clearly labeled location with high-contrast color coding (Correct answer)
Add the button location to the onscreen tutorial only

Correct answer: Reposition the button to a prominent, clearly labeled location with high-contrast color coding

Safety-critical controls like emergency stops must be instantly findable; high-contrast color coding and prominent placement are standard UX safety design requirements.

Question 78: Under the ADA, what is the minimum number of accessible EV charging spaces required when a facility installs 10 total EVSE spaces?

1 (Correct answer)
3
4
2

Correct answer: 1

ADA guidelines specify at least 1 accessible EV charging space for every 1–25 total EV spaces provided.

Question 79: What is the purpose of a disconnect switch for EV equipment?

Complete de-energization for maintenance and emergencies (Correct answer)
Switch charging modes
Control charging speed
Connect multiple chargers

Correct answer: Complete de-energization for maintenance and emergencies

A disconnect allows complete isolation from power for safety.

Question 80: What permits are needed for EV charger installation?

No permits needed
Only for commercial installations
Self-certification is sufficient
Electrical permit and inspection from local jurisdiction (Correct answer)

Correct answer: Electrical permit and inspection from local jurisdiction

Most jurisdictions require permits and inspections for new electrical installations.

Question 81: What does an EVSE 'de-rating' event indicate, and what typically triggers it?

The charger has upgraded its firmware and is restarting
The user's account has exceeded the authorized energy limit for the session
The vehicle has reached 100% state of charge and is tapering current normally
The charger is reducing its output power, usually due to high internal temperature or grid demand response signal (Correct answer)

Correct answer: The charger is reducing its output power, usually due to high internal temperature or grid demand response signal

De-rating occurs when the EVSE reduces output power below its rated maximum, most commonly triggered by thermal protection of internal components or an external demand response command.

EVITP Electrical Vehicle Infrastructure Certification Exam

The EVITP Certification Exam validates electrician competency in EV charging standards, electrical safety codes, installation best practices, EV technology fundamentals, grid integration, infrastructure planning, and user accessibility.

Questions

90 min

Time Limit

70%

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