eep January 29, 2025 EVSE Report a question What's wrong with this question? You cannot submit an empty report. Please add some details. 0% EVSE Final Exam Each attempt will include 30 randomly selected questions from the Day 2 to Day 10 quizzes. Think about materials like rubber or glass. 1 / 30 Insulators allow the free flow of electrical current. a. True b. False Incorrect. Insulators do not conduct electricity; they prevent it from flowing. Correct! Insulators resist the flow of electrical current. Insulators are materials that resist or block the flow of electrical current. Work orders outline the specific tasks to be carried out. 2 / 30 What is included in a work order for EVSE? a. Vehicle registration information b. Charging session history c. Location of nearby charging stations d. Description of tasks to be performed Incorrect. Work orders focus on task descriptions, not auxiliary information. Correct! Work orders specify the tasks to be done. Work orders include a detailed description of the tasks to be performed for EVSE maintenance or repair. PPE ensures safety and should always be verified for functionality. 3 / 30 How often should you inspect your PPE to ensure it’s in good condition and functioning properly? a. Before each use b. Once a week c. Once a month d. As needed PPE inspection must be more frequent to ensure maximum safety. Correct! PPE inspections should be conducted before every use to ensure safety. Regular PPE inspections before use ensure safety and prevent hazards during tasks. The NFPA 70 is also known as the National Electrical Code (NEC). 4 / 30 Which of the following is NOT addressed by the NFPA 70? a. Fire alarm system installation b. Decorative Lighting c. Telecommunications wiring standards d. Electrical equipment labeling requirements Incorrect. This topic is addressed by the NFPA 70. Correct! Telecommunications wiring is outside the scope of the NFPA 70. The NFPA 70 is also known as the National Electrical Code (NEC). Parallel circuits are designed to provide multiple branches for current. 5 / 30 Parallel circuits have only one path for current to flow. a. True b. False Incorrect. Parallel circuits allow current to split into multiple paths. Correct! Parallel circuits have multiple paths for current flow. A parallel circuit divides current into multiple paths, unlike a series circuit. Arc flash risks can occur at various voltage levels, not just high voltage. 6 / 30 Arc flash hazard analysis is only for high-voltage systems. a. True b. False Incorrect. Arc flash is not limited to high-voltage systems. Correct! Arc flash risks apply across different voltage levels. Arc flash can happen in low- and medium-voltage systems, making analysis essential for all voltages. Think about a model that emphasizes empathy and understanding. 7 / 30 What model do you use to deal with difficult customers? a. B.U.R.N. b. A.L.A.R.M. c. L.E.A.R.N. d. F.I.R.M. That’s not correct. The right model is focused on empathetic listening and resolving issues. Correct! The L.E.A.R.N. model helps you engage with customers effectively by focusing on their concerns. Think about a model that emphasizes empathy and understanding. Soft hazards are low-risk but still require monitoring and attention. 8 / 30 Which of the following is an example of a soft hazard? a. A hazard that poses minimal risk to safety b. A hazard easily detectable and preventable c. A hazard resulting from human error d. A hazard difficult to perceive Soft hazards do not involve significant risk or urgency. Correct! Soft hazards are less severe but still important to address. Soft hazards are less critical and usually manageable with simple precautions. This type of supply adjusts for connected devices. 9 / 30 Constant voltage power supplies maintain steady voltage under varying ________. a. Loads b. Currents c. Resistances d. Frequencies Incorrect. Constant voltage power supplies stabilize voltage regardless of the load variations. Correct! They maintain constant voltage under varying load conditions. Constant voltage power supplies adjust output to maintain a steady voltage across varying loads. EVSE focuses on charging infrastructure, not the vehicle. 10 / 30 Which of the following is NOT an EVSE component? a. Charging cable b. Charging station c. Electric vehicle battery d. Connector plug Incorrect. EVSE components are all about charging infrastructure. That’s correct! EV batteries are part of the vehicle, not EVSE. The EV battery is part of the vehicle, not the EVSE infrastructure, which includes cables, stations, and connectors. It refers to interconnected devices that communicate over the internet. 11 / 30 What does IoT stand for? a. Internet of Things b. Integrated Online Technology c. Interactive Online Tools d. Information Overload Technology Not quite. IoT is about connectivity between devices and systems. Correct! IoT stands for Internet of Things, which connects devices for seamless communication. IoT, or Internet of Things, refers to a network of devices that communicate and exchange data. Preventative maintenance focuses on inspection and upkeep. 12 / 30 Preventative maintenance includes part replacement or repair. a. True b. False Incorrect. Preventative maintenance does not include repairs. Correct! Repairs are not part of preventative maintenance. Preventative maintenance involves regular checks and cleaning, not replacing or repairing parts. Consider devices directly involved in diagnostics or operations. 13 / 30 Which of the following is NOT a remote device you may need to use as an EVSE tech? a. Laptop b. Tablet c. Bluetooth Speaker d. Smartphone That device is a critical tool for diagnostics or operations. Correct! Bluetooth speakers are not essential for an EVSE tech’s tasks. EVSE techs use devices like laptops, tablets, and smartphones for technical diagnostics, not Bluetooth speakers. Consider the most common battery in modern electronics and EVs. 14 / 30 Which type of battery is used in BEV and PHEV? a. Lead-acid battery b. Lithium-ion battery c. Nickel-metal hydride (NiMH) battery d. Zinc-air battery This battery type is outdated for BEV and PHEV use. Correct! Lithium-ion batteries are ideal for EVs. Lithium-ion batteries are standard due to their efficiency and energy density. AC is common in household outlets. 15 / 30 Which type of current flows in both directions? a. AC b. DC c. Both d. Neither DC flows in one direction, not both. Well done! AC alternates direction periodically. Alternating Current (AC) reverses its direction periodically, unlike DC. Environmental impacts typically involve more severe or specific conditions. 16 / 30 Which of the following is NOT a concern for environmental impact on EVSE maintenance? a. Salt water may lead to corrosion b. Dusty conditions require regular EVSE cleanings c. Rain may lead to external damage to the equipment d. Pests may damage EVSE equipment Incorrect. This concern is not typically valid. Correct! EVSEs are built to withstand rain exposure. Rain is accounted for in EVSE designs and does not typically lead to damage. These professionals are licensed to handle electrical work. 17 / 30 Who is responsible for installing, repairing, and maintaining electrical systems in buildings? a. Site Hosts b. CPOs c. Dispatchers d. Electricians Incorrect. This is not within their scope of responsibilities. Correct! Electricians handle electrical installations and maintenance. Electricians are trained and licensed to work on electrical systems. Serious electrical tasks or safety hazards require licensed electricians. 18 / 30 Which scenarios require escalation and for a licensed electrician to be brought in? a. Tripped breaker at the electrical panel b. Frayed or damaged wiring at the electrical panel c. Any task that involves running new wires from the EVSE to the power grid d. Answers B and C only Incorrect. Only certain issues need licensed electricians. Correct! Damaged wiring and new installations require licensed professionals. Tasks involving damaged wiring or new installations require professional handling. These chargers are often used in commercial and public settings for fast charging. 19 / 30 Which type of EV charger has the highest level of amps? a. Level 1 b. Level 2 c. Level 3 Incorrect. Level 1 and 2 chargers have lower amperage than Level 3 chargers. Correct! Level 3 chargers provide the highest amperage for faster charging. Level 3 chargers, also known as DC fast chargers, operate at higher amperages to charge EVs rapidly. Voltage is sometimes referred to as "electric pressure" in a circuit. 20 / 30 What is voltage? a. The flow of charged particles like electrons b. The number of electrons in a circuit c. The force that pushes current and causes flow in a circuit d. None of the above Incorrect. Voltage is not the flow or the number of electrons; it is the force that drives current. Correct! Voltage is the driving force behind the flow of current in a circuit. Voltage is the electrical potential difference that drives current through a circuit. Arc blasts involve rapid expansion of air, causing significant force. 21 / 30 The hazards resulting from an arc flash/arc blast are heat, shrapnel, intense light, sound, and ________. a. Flying tools b. Pressure c. Body parts d. Angry workers Incorrect. Pressure is one of the major hazards in arc blasts. Correct! Pressure waves are a serious risk in arc flash incidents. Arc flashes release immense energy, generating pressure waves that can cause damage. Crimping creates firm connections between wires and terminals. 22 / 30 Why is crimping important for EVSE maintenance? a. It ensures a secure electrical connection between wires b. It prevents electrical arcing c. It maintains proper current flow d. It reduces the risk of overheating Incorrect. Crimping is about securing electrical connections. Correct! Crimping ensures secure wire connections in EVSE systems. Crimping ensures wires are securely connected, reducing the risk of loose connections or faults. It’s an EV powered entirely by batteries. 23 / 30 What does BEV stand for? a. Basic Electric Vehicle b. Battery-Equipped Vehicle c. Battery Electric Vehicle d. Boosted Energy Vehicle Not quite. BEV stands for Battery Electric Vehicle. Correct! BEVs are powered entirely by batteries. BEVs run solely on electricity stored in their batteries, with no internal combustion engine. Standard outlets use 120 volts. 24 / 30 Which Charger can be installed and used in your home with a standard outlet? a. Level 1 b. Level 2 c. Level 3 This charger cannot use a standard outlet. Correct! Level 1 chargers work with standard outlets. Level 1 chargers use standard household outlets, while others require higher voltage. EVs do not burn fuel. 25 / 30 True or False: Electric vehicles produce zero greenhouse gas emissions during operation, while internal combustion engine vehicles emit greenhouse gases. a. True b. False Not quite. EVs are emission-free during operation, unlike gas-powered vehicles. Correct! EVs operate without direct emissions. EVs produce no emissions during operation, while internal combustion engines release pollutants like CO₂. Amperage checks are part of routine electrical maintenance. 26 / 30 Amperage checks verify that electrical current is within an acceptable range. a. True b. False Incorrect. Amperage checks are crucial for maintaining safe electrical systems. Correct! Amperage checks help ensure electrical safety. Amperage checks ensure that the current flow is within safe operational limits. Hard hazards are those that involve immediate, significant risk. 27 / 30 Which of the following is an example of a hard hazard? a. A hazard that is difficult to perceive b. A hazard from intentional actions c. A hazard that poses significant risk to safety d. A hazard easily mitigated with precautions Hard hazards are typically more severe and immediate. Correct! Hard hazards involve significant safety risks that require attention. Hard hazards are high-risk situations requiring immediate attention to prevent injury or harm. The formula P=VIP = VIP=VI comes from Watts Law. 28 / 30 Watts Law helps to determine which relationship? a. Voltage, resistance, and current b. Power, voltage, and current c. Resistance, capacitance, and power d. Frequency, voltage, and current Incorrect. Watts Law focuses on power, voltage, and current. Correct! Watts Law uses P=VIP = VIP=VI to calculate power in a circuit. Watts Law defines power as the product of voltage and current. Lockout/tagout is a safety measure for preventing accidental energization. 29 / 30 Which of the following does NOT describe lockout/tagout for an EVSE? a. It involves disconnecting power sources and locking them in the off position b. It ensures that electrical maintenance or repair work can be performed safely c. It is primarily used for securing vehicles during charging d. It involves tagging equipment with warning labels to indicate it should not be operated Incorrect. Lockout/tagout doesn’t involve vehicle security. Correct! Lockout/tagout is not used for securing vehicles. Lockout/tagout focuses on safety during electrical maintenance, not securing vehicles. EVSE supports multiple connector types. 30 / 30 Which of the following are charger plug types? a. J1772 b. CCS c. CHAdeMO d. All of them Incorrect. All listed plug types are used in EVSE. Correct! All listed are widely used EV plug types. J1772, CCS, and CHAdeMO are all common plug types for EV charging. 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