Download EVITP (Electric Vehicle Infrastructure Training Program) - Recognized by multiple state li and more Exams Electrical and Electronics Engineering in PDF only on Docsity!
EVITP (Electric Vehicle Infrastructure Training
Program) - Recognized by multiple state licensing
boards and electrical training alliances nationwide
Electric Vehicle Supply Equipment
EXAM: EVITP Certification Final Exam ACADEMIC YEAR: 2026 TOTAL QUESTIONS: 130 FORMAT: Multiple Choice with Verified Answers & Detailed Rationales STATUS: Latest 2026 Update | A+ Graded | Complete Solutions
TOPIC 1: EV INDUSTRY OVERVIEW & MARKET DRIVERS
- The EV industry is comprised of which of the following? A) Auto manufacturers B) Consumer advocacy groups C) EV charging equipment manufacturers D) Research and standards organizations E) All of the above
Answer: E Rationale: The EV industry includes auto manufacturers (Tesla, Ford, GM, etc.), advocacy groups (Plug In America, Sierra Club), charging equipment manufacturers (ChargePoint, ABB, BTC Power), and standards organizations (SAE, UL, IEC). All stakeholders collaborate to advance EV infrastructure.
- Which of the following drive the market for EVs? A) Cheaper gasoline prices B) Decreased cost of electric vehicles C) Increased interest in alternatives to gas-powered vehicles D) Both B and C
Answer: D Rationale: Falling EV battery costs have reduced vehicle prices, while growing environmental awareness and fuel savings interest have increased consumer demand. Cheaper gasoline would actually reduce EV demand.
- A partial zero emissions vehicle (PZEV) is defined as: A) A gas-engine vehicle that has zero evaporative emissions from its fuel system B) A plug-in electric vehicle C) A vehicle with a hybrid gas-electric drive train D) An electric vehicle that only has provisions for wireless charging
Answer: A Rationale: PZEVs are conventional gasoline vehicles with advanced emissions controls that achieve zero evaporative emissions. They are not plug-in vehicles but meet California's Super Ultra Low Emission Vehicle (SULEV) standards.
- The state of charge (SoC) is defined as: A) The voltage level of the battery B) The available capacity of the battery expressed as a percentage C) The depth of discharge measured in amp-hours D) The cycle count of the battery
Answer: B Rationale: State of Charge (SOC) is the available capacity of the battery expressed as a percentage of the fully charged capacity. Depth of Discharge (DOD) is the complement (100% - SOC).
- Which of the following is NOT an alternative to fossil fuels? A) Compressed air B) Electricity C) Fuel cell D) Gasoline
Answer: D Rationale: Gasoline is refined from crude oil (fossil fuel). Compressed air, electricity, and hydrogen fuel cells are alternative energy sources for vehicle propulsion.
- The first electric vehicle can be traced back to: A) 1832 B) 1943 C) 1996 D) 2002
Answer: A Rationale: The first crude electric vehicle was developed around 1832 by Robert Anderson in Scotland. EVs were popular in the late 19th and early 20th centuries before gasoline vehicles dominated.
- Which of the following illustrates why electric vehicles were so popular in the early days of automobiles? A) They were clean to operate B) They were mechanically complicated C) They were quiet D) Both A and C
Answer: C Rationale: Early EVs were simple to operate - no hand-cranking, no gear shifting, quiet operation, and fewer moving parts than gasoline vehicles, though range was limited.
- Which of the following is NOT a category of electric vehicle? A) BEV B) HEV C) ICE D) PHEV
Answer: C Rationale: ICE (Internal Combustion Engine) vehicles are conventional gas/diesel vehicles. BEV (Battery Electric), HEV (Hybrid Electric), and PHEV (Plug-in Hybrid Electric) are electric vehicle categories.
- Which category of EV has been available to consumers the longest? A) BEV B) HEV C) PHEV D) All of the above
Answer: B Rationale: HEVs (hybrids like the Toyota Prius, 1997) have been available longer than modern BEVs (Nissan Leaf, 2010) and PHEVs (Chevy Volt, 2010), though early BEVs existed in the 1900s.
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TOPIC 2: EV TYPES & DRIVETRAIN ARCHITECTURES
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- What is a "Battery Electric Vehicle" (BEV)? A) A vehicle powered solely by an electric motor using energy stored in batteries B) A vehicle with both a gas engine and an electric motor C) A vehicle that cannot be plugged in D) A vehicle that uses hydrogen fuel cells
Answer: A Rationale: A BEV is powered 100% by electricity stored in its battery pack. It has no internal combustion engine, produces zero tailpipe emissions, and must be plugged in to recharge.
- What is a "Hybrid Electric Vehicle" (HEV)?
A) A vehicle powered solely by batteries B) A vehicle with both a gas engine and an electric motor that cannot be plugged in C) A vehicle that only uses regenerative braking D) A vehicle that runs on compressed air
Answer: B Rationale: An HEV (like the Toyota Prius) has both a gas engine and battery pack but cannot be plugged in for external charging; it recharges through regenerative braking and the gas engine.
- What is a "Plug-in Hybrid Electric Vehicle" (PHEV)? A) A hybrid vehicle with a larger battery that can be externally recharged B) A vehicle that is powered solely by the gas engine C) A vehicle with no electric drive components D) A vehicle requiring only Level 3 charging
Answer: A Rationale: A PHEV has a larger battery than an HEV and can be plugged in externally for charging, allowing for all-electric driving for shorter trips while retaining the gas engine for longer trips.
- Which of the following describes a plug-in electric vehicle that runs on batteries until nearly depleted, then switches over to an ICE generator to extend the battery range? A) BEV B) PHEV C) All electric vehicles have this capability D) No electric vehicle currently on the market has this capability
Answer: B Rationale: This describes a series hybrid PHEV (also called extended-range electric vehicle), where the gas engine acts only as a generator to charge the battery, not directly power the wheels.
- Regenerative braking is best described by which of the following? A) An energy recovery system B) Not reliable as a braking method C) Obsolete technology that existed on EV models in the 1990s D) Turns electrical energy to kinetic energy
Answer: A Rationale: Regenerative braking captures kinetic energy during deceleration, converting it to electrical energy to recharge the battery. It improves efficiency by recovering energy normally lost as heat.
TOPIC 3: EV CHARGING LEVELS & TECHNOLOGY
- What does the acronym EVSE stand for? A) Electric Vehicle Service Equipment B) Electric Vehicle Supply Equipment C) Electric Vehicle System Electronics D) Electric Vehicle Safety Equipment
Answer: B Rationale: EVSE is defined in NEC Article 100 as equipment that conducts energy from the premises wiring to the electric vehicle, including the power block, pedestal, charging cables, wiring, and accessories necessary for energy transfer.
- What are the three levels of EV charging? A) Low, Medium, High B) Level 1, Level 2, Level 3 (DC Fast Charging) C) AC, DC, Wireless D) Residential, Commercial, Industrial
Answer: B Rationale: The three SAE-defined charging levels are Level 1 (120 VAC, ≤16A), Level 2 (208-240 VAC, up to 80A), and Level 3 (DC Fast Charging, 480 VAC+ or up to 1000 VDC, 50-350+ kW).
- What is the typical voltage and amperage for Level 1 charging? A) 120 VAC, 15 amps (max 16A continuous) B) 240 VAC, 30 amps C) 480 VAC, 125 amps D) 600 VDC, 550 amps
Answer: A Rationale: Level 1 charging uses a standard 120 VAC household outlet. The maximum continuous current is 12-16 amps (80% of the 15-20 amp circuit rating). It adds approximately 3-5 miles of range per hour.
- What is the typical voltage range for Level 2 charging? A) 120 VAC B) 208-240 VAC C) 400-600 VDC D) 800 VDC
Answer: B
Rationale: Level 2 charging operates at 208 to 240 VAC (single-phase or split-phase), typically at 16 to 80 amps. It is commonly used in residential garages, workplaces, and public parking facilities.
- What is the typical power range for DC Fast Charging (Level 3)? A) 1-5 kW B) 6-20 kW C) 50-350+ kW D) 500-1000 kW
Answer: C Rationale: DC Fast Chargers range from 50 kW (common) to 350+ kW (ultra-fast). The 350 kW chargers can add 200+ miles of range in 15 minutes. Future chargers may exceed 1 MW for heavy-duty vehicles.
- An AC charger with a single-phase 120-volt connection and 14-16 amperes of continuous current output is classified as a ______ charger. A) Level 1 B) Level 2 C) Low-voltage D) SAE standard
Answer: A Rationale: Level 1 chargers use 120 VAC and typically deliver 12-16 continuous amps (1.44-1.92 kW). This is the slowest charging method, suitable for overnight home charging.
- Level 2 EVSEs with a rating of 6.6 kilowatts can supply ______ of charge current when operating at 220 VAC. A) 20 A B) 30 A C) 40 A D) 50 A
Answer: B Rationale: Current = Power / Voltage. 6,600 W / 220 V = 30 A. This is a common residential Level 2 charging rate.
- Charging is defined as which of the following? A) Refilling brake fluid in an EV B) Removing the batteries from an EV and placing them inside charging equipment C) Replacing batteries in an EV D) Supplying power (kW) to an EV battery
Answer: D
C) Hardware fault detection D) Both B and C
Answer: D Rationale: EVSE provides ground fault circuit interrupter (GFCI) protection and hardware fault detection (pilot signal monitoring, contactor welding detection, ground monitoring). It does NOT provide continuously energized output - output is only energized when properly connected.
- EVSE provides DC power to the electric vehicle charging port. (True/False) A) True B) False
Answer: B Rationale: EVSE for Level 1 and Level 2 provides AC power to the vehicle. The vehicle's onboard charger converts AC to DC. DC fast chargers (Level 3) provide DC directly, bypassing the onboard charger.
- DC charging equipment provides DC directly to ______ in an EV. A) Battery management systems B) Battery monitoring devices C) Charge multiplier systems D) Current management systems
Answer: A Rationale: DC fast chargers deliver DC power directly to the vehicle's battery management system (BMS), which controls charging parameters and protects the battery.
- What does "range anxiety" refer to? A) Fear of high electricity bills B) Fear of battery degradation C) Fear that an EV will run out of charge before reaching a destination or charging station D) Fear of electric shock while charging
Answer: C Rationale: Range anxiety is the fear that an EV's remaining battery charge will be insufficient to reach a destination or charging station. This drives infrastructure placement decisions.
- What is the function of an onboard charger in an EV? A) Convert DC power from the charging station to AC power for the battery B) Convert AC power from the EVSE to DC power for the battery C) Regulate tire pressure during charging D) Monitor cabin temperature
Answer: B
Rationale: The onboard charger converts AC power from Level 1 or Level 2 EVSE to DC power required to charge the vehicle's battery. Level 3 DC fast chargers bypass the onboard charger.
- What is the typical range of a modern Battery Electric Vehicle (BEV)? A) 50-100 miles B) 100-150 miles C) 150-400 miles D) 500-700 miles
Answer: C Rationale: Most modern BEVs offer between 150 and 400 miles of range per full charge. Premium models (Lucid Air, Tesla Model S) exceed 400 miles; economy models are in the 150-250 mile range.
- Which component in an EV serves as the "fuel tank"? A) The motor B) The inverter C) The battery pack D) The charger
Answer: C Rationale: The battery pack stores electrical energy for the vehicle, analogous to a fuel tank in a conventional vehicle. It is the heaviest and most expensive component of a BEV.
- What is thermal management in the context of EV batteries? A) Heating the battery in cold weather only B) Cooling the battery in hot weather only C) Maintaining the battery within an optimal temperature range for performance and longevity D) Measuring battery temperature for warranty purposes
Answer: C Rationale: Thermal management systems keep EV batteries within an optimal temperature range (typically 15-35°C / 59-95°F) to maximize performance, safety, and battery life. Both heating and cooling may be used.
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TOPIC 5: CHARGING STANDARDS & CONNECTORS
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- The purpose of the J1772 connector pins is to provide: A) A charging interface that is safe for consumers to use
C) 400 kW / 1,000 VDC / 400 A D) 1 MW / 2,200 VDC / 800 A
Answer: A Rationale: CHAdeMO V1.0 specifies up to 62.5 kW at 500 VDC, 125 A. Later versions have increased capacity up to 400 kW. The current CHAdeMO 3.0 standard supports up to 900 kW.
- The EV's power acceptance rate should not be considered when making EVSE purchasing decisions. (True/False) A) True B) False
Answer: B Rationale: The vehicle's maximum acceptance rate (onboard charger capacity for AC or maximum DC charging rate) directly affects charging speed. Installing a 19.2 kW EVSE for a vehicle that accepts only 7.7 kW wastes capacity.
- Wireless charging is more expensive than coupled EVSE. (True/False) A) True B) False
Answer: A Rationale: Wireless (inductive) charging systems are more expensive than conductive (plug-in) EVSE due to additional components (coils, power conversion, alignment systems) and lower efficiency.
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TOPIC 6: EV CHARGING NETWORKS & REVENUE MODELS
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- Which of the following is NOT true of EV charging networks? A) Charging networks offer both paid memberships and free memberships with pay-as-you-go charging B) There are over a dozen networks across the U.S. and Canada C) They allow businesses a way to draw consumers to charging equipment and generate revenue via transaction processing D) None of the above
Answer: D Rationale: All statements are true. Networks include ChargePoint, EVgo, Tesla Supercharger, Electrify America, Blink, SemaConnect, Flo, and many others.
- EV networks generate revenue with which of the following? A) Call-to-pay B) Membership fees C) Station usage fees D) All of the above
Answer: D Rationale: Charging network revenue models include: membership subscriptions (monthly/annual fees), pay-per-use (per kWh, per minute, or per session), call-to-pay (phone-activated charging for guest users), and roaming fees with partner networks.
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TOPIC 7: NEC CODE REQUIREMENTS (ARTICLES 625, 210, 310, 250, 705, 702)
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- The National Electrical Code (NEC) ______. A) Covers all electrical work, from utility generation to household wiring B) Is not intended to provide requirements for installation that safeguard persons and property C) Provides minimum installation requirements D) None of the above
Answer: C Rationale: The NEC (NFPA 70) provides minimum installation requirements for electrical systems to safeguard persons and property. It covers premises wiring, not utility generation or distribution.
- Installations covered by the NEC include which of the following? A) Industrial substations B) Installations on public and private premises C) Recreational vehicles, floating buildings, and mobile homes D) All of the above
Answer: D Rationale: NEC Article 90.2 covers: public/private premises, industrial substations, recreational vehicles, floating buildings, mobile homes, and other structures.
- NEC Chapters 1-4 apply to ______. A) All installations B) All installations except as modified by Chapters 5, 6, and 7 C) Only Chapter 8 D) None of the above
D) No disconnect is required if the breaker is labeled
Answer: B Rationale: NEC 625.43 requires a disconnecting means for EVSE. It must be within sight (visible and within 50 feet) of the equipment or be capable of being locked in the off position to allow safe servicing.
- For a NEMA 14-50 receptacle installed for EV charging in a garage, what type of GFCI protection is required by the NEC? A) No GFCI required for receptacles over 30A B) GFCI protection for the receptacle (Class A, 5mA trip) C) Equipment Ground Fault Protection (30mA) D) Arc Fault protection only
Answer: B Rationale: NEC 210.8(A)(2) requires GFCI protection for all 125V through 250V receptacles in garages. This includes 50A receptacles used for EV charging.
- What is the minimum ampacity requirement for a dedicated branch circuit supplying a 48A continuous load Level 2 EVSE? A) 48A B) 60A C) 80A D) 100A
Answer: B Rationale: NEC 625.41 and 210.19(A)(1) require branch circuits to be sized at 125% of continuous loads. 48A × 1.25 = 60A. A 60A breaker and appropriately sized conductors (# AWG copper for 60°C terminals) are required.
- When installing EVSE equipment outdoors, what is the minimum enclosure rating required by the NEC? A) NEMA 1 (Indoor) B) NEMA 3R (Rainproof) C) NEMA 4X (Corrosion proof) D) NEMA 12 (Dust tight)
Answer: B Rationale: NEMA 3R enclosures are the minimum standard for outdoor equipment to protect against rain, sleet, and snow. NEMA 4 or 4X is recommended for coastal/high-corrosion environments.
- Where are "Supply Equipment" (EVSE) permitted to be located in relation to a residential swimming pool?
A) Directly above the water B) Within 3 feet C) No portion of the equipment is allowed within 5 feet horizontally of the inside wall of the pool D) 10 feet vertically only
Answer: C Rationale: NEC 680 governs pools. No portion of EVSE is permitted within 5 feet horizontally of the inside wall of a pool, spa, or hot tub.
- Overcurrent protection for EVSE is covered in ______. A) Article 310 B) Article 240 C) Article 625 D) Both B and C
Answer: D Rationale: Article 240 (Overcurrent Protection) provides general requirements, and Article 625 (EVSE) provides specific EVSE overcurrent protection requirements.
- When an EV and EVSE is used to facilitate power supply as an interactive power production source (V2G), which article must be applied? A) Article 700 B) Article 702 C) Article 704 D) Article 705
Answer: D Rationale: Article 705 (Interactive Electrical Power Production Sources) applies when EV and EVSE are used as an interactive power production source (Vehicle-to-Grid or V2G).
- When an EV and its EVSE is used as a power supply for an optional standby system (V2H), requirements found in ______ are applied. A) Article 700 B) Article 702 C) Article 704 D) Article 705
Answer: B Rationale: Article 702 (Optional Standby Systems) applies when EV and EVSE are used as a power supply for optional standby systems (Vehicle-to-Home or V2H).
A) True B) False
Answer: A Rationale: NECA 413-2012 (Standard for Installing and Maintaining Electric Vehicle Supply Equipment) is the only ANSI-approved standard covering EVSE installation and maintenance.
- NECA 413-2012 contains ______ requirements for EVSE installation, covering everything from planning to commissioning. A) Basic B) Complete C) Performance-based D) Suggested
Answer: C Rationale: NECA 413-2012 contains performance-based requirements for EVSE installation, covering planning, site assessment, ADA considerations, installation, testing, and commissioning.
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TOPIC 8: LOAD CALCULATIONS & CONDUCTOR SIZING
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- What is the minimum copper THHN feeder size for 12 EVSEs rated at 24 amperes on a 3-phase, 4-wire, 120/208-volt system, assuming four EVSE per phase? (Note: Use 1.732 for √3) A) 250 kcmil B) 350 kcmil C) 4/0 AWG D) 2/0 AWG
Answer: C Rationale: 24A × 1.25 (continuous load) = 30A per EVSE. Four per phase: 30A × 4 = 120A per phase. Line current = 120A × 1.732 = 208A. 4/0 AWG copper is rated for 230A at 75°C.
- What is the minimum branch circuit size for a Level II EVSE with a 32-ampere current rating? A) 32 A B) 35 A C) 40 A D) 55 A
Answer: C
Rationale: NEC 625.41 requires the branch circuit to be sized at 125% of the continuous load. 32A × 1.25 = 40A minimum overcurrent protective device.
- Two Level II EVSE circuits are installed in the same PVC conduit. Each EVSE is served by a 40-ampere circuit at 240 volts with an EGC run along with the circuits. What size copper EGC is required for this installation? A) 10 AWG B) 8 AWG C) 6 AWG D) 4 AWG
Answer: A Rationale: Table 250.122: For 40A overcurrent protection, 10 AWG copper is the minimum Equipment Grounding Conductor size, regardless of the number of circuits in the conduit.
- What is the minimum copper THHN feeder size for a Level 2 EVSE rated at 48 continuous amps on a 120/240V single-phase system? A) 8 AWG B) 6 AWG C) 4 AWG D) 2 AWG
Answer: B Rationale: 48A continuous × 1.25 = 60A required circuit ampacity. For 60°C terminals, # AWG copper is rated for 55A (too low). For 75°C terminals, #6 AWG is rated for 65A, acceptable. #4 AWG would also work but is larger than needed.
- A Level 2 EVSE with an output rating of 32 amps is installed on a 40-amp breaker. The terminals are rated for 75°C. What is the minimum copper conductor size required? A) 12 AWG B) 10 AWG C) 8 AWG D) 6 AWG
Answer: C Rationale: For 40A OCPD with 75°C terminals, Table 310.16 shows #8 AWG copper is rated for 50A, sufficient for the 40A circuit and 125% of the 32A continuous load.
- A commercial installation has ten Level 2 EVSE units, each rated at 30 continuous amps on 208V single phase. The demand factor for 10 units under NEC 625.42 is: A) 100% (no demand factor allowed) B) 50% demand factor C) 80% demand factor D) Demand factors are not permitted for EVSE
