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. EVSE operations focus on vehicles and charging infrastructure. 1 / 30 Which of the following company types is NOT typically involved with Electric Vehicle Supply Equipment (EVSE)? a. Automotive manufacturers b. eMobility Service Providers (eMSP) c. Telecommunications companies d. Charge Point Operators Not correct. Telecommunications companies are not usually involved in EVSE. Correct! Telecommunications companies are not typically related to EVSE. Telecommunications companies are not central to EVSE operations, unlike automakers, eMSPs, and CPOs. Safety measures require a structured layout to protect workers and the public. 2 / 30 How should an EVSE tech set up cones to indicate charging station maintenance? a. Randomly around the area b. In a straight line leading to the charging station c. Forming a perimeter around the charging station and parking spot d. Only at the entrance of the parking lot That setup does not ensure clear safety boundaries. Correct! A perimeter setup keeps the maintenance area safe and visible. Forming a perimeter ensures safety by clearly marking the maintenance area. Hard hazards are those that involve immediate, significant risk. 3 / 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. Safety practices aim to minimize the risk of electrical accidents and injuries. 4 / 30 Which of the following is NOT a common safety practice when working with electrical systems? a. Using insulated tools b. Working on live circuits whenever possible c. Lockout tagout procedures d. Wearing personal protective equipment (PPE) Incorrect. This is not a safe practice when dealing with electrical systems. Correct! Avoid working on live circuits whenever possible to ensure safety. Working on live circuits is extremely dangerous and should be avoided unless absolutely necessary and under strict precautions. Consider which level offers the fastest charging. 5 / 30 Which Level of Charging would be BEST to use in the following scenario: You are in a hurry and you want to start your commute but have a low battery percentage? a. Level 1 b. Level 2 c. Level 3 This level is too slow for quick recharging. Spot on! Level 3 provides fast charging for urgent needs. Level 3 (DC Fast Charging) is the quickest, ideal for time-sensitive situations. EVSE systems involve high voltage and current levels. 6 / 30 An energized EVSE carries a fatal amount of electric energy. a. True b. False Incorrect. Energized EVSE systems pose serious risks. Correct! Energized EVSE systems carry dangerous levels of energy. Energized EVSE systems can carry enough energy to cause severe harm or fatal injuries. Amperage checks are part of routine electrical maintenance. 7 / 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. It’s a widely adopted code used in various applications beyond just residential buildings. 8 / 30 What is the primary purpose of the NFPA 70? a. To regulate the installation of electrical equipment in residential buildings only b. To provide guidelines for safe electrical installations in all types of sites c. To mandate specific electrical equipment brands for commercial buildings d. To enforce electrical safety protocols in industrial settings only Incorrect. The NFPA 70 applies to all types of electrical installations, not just specific applications. Correct! The NFPA 70 provides universal safety guidelines. The NFPA 70 establishes standards for the safe installation of electrical wiring and equipment in any setting. Use Ohm’s Law (V=IRV = IRV=IR). If RRR is constant and VVV increases, what happens to III? 9 / 30 If a circuit has constant resistance and you increase the voltage, what happens to the current? a. Current stays the same b. Current increases c. Current decreases d. None of the above Incorrect. According to Ohm's Law, the current increases when voltage increases with constant resistance. Correct! Current increases when voltage increases in a circuit with constant resistance. Ohm’s Law states I=V/RI = V/RI=V/R. With constant resistance, an increase in voltage results in a proportional increase in current. Voltage is sometimes referred to as "electric pressure" in a circuit. 10 / 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. Consider the most common battery in modern electronics and EVs. 11 / 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. Think about the limitations of LAN versus WAN networks. 12 / 30 A LAN network enables a NOC to access many EVSEs across a large geographic area. a. True b. False Incorrect. LAN networks are limited to local coverage. Correct! LAN networks cannot span large geographic areas. A LAN network is local, whereas WAN networks are used for wider geographic coverage. User security focuses on financial and personal data. 13 / 30 What are the security concerns for EVSE users? a. Protect credit card and payment information b. Protect personal data such as name, passwords, and address c. Protect station’s intellectual property such as software d. All of the above e. Both A and B Incorrect. Intellectual property is not typically a user concern. Correct! Financial and personal data are key user concerns. EVSE users’ main security concerns are protecting their financial and personal information. Parallel circuits are designed to provide multiple branches for current. 14 / 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. The NFPA 70 is also known as the National Electrical Code (NEC). 15 / 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). Higher-power chargers require commissioning to ensure safety and functionality. 16 / 30 Which of the following charger types require commissioning? a. Level 1 b. Level 2 c. Both d. Neither Incorrect. Only certain charger types require commissioning. Correct! Level 2 chargers typically require commissioning. Level 2 chargers require commissioning to verify proper installation and operation. Arc blasts involve rapid expansion of air, causing significant force. 17 / 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. Remote monitoring is typically associated with smart or networked chargers. 18 / 30 Conventional charging allows for remote monitoring. a. True b. False Incorrect. Conventional charging lacks remote monitoring features. Correct! Remote monitoring is not available with conventional chargers. Conventional charging does not have remote monitoring capabilities, unlike smart chargers. Torquing involves ensuring proper tightness of connections. 19 / 30 Which of the following is involved in proper torquing maintenance? a. Lubricating electrical components b. Cleaning the charging cable c. Tightening bolts to the manufacturer's specified torque value d. Checking tire pressure Incorrect. Proper torquing involves tightening bolts to specific values, not these tasks. Correct! Proper torquing maintenance involves ensuring bolts meet specified torque values. Proper torquing ensures that bolts are tightened to a specific value, maintaining safety and functionality. Think about how PPE protects against potential arc flash injuries. 20 / 30 Arc flash hazard analysis helps determine appropriate PPE. a. True b. False Incorrect. Arc flash hazard analysis directly relates to PPE selection. Correct! Arc flash analysis helps in selecting the right protective equipment. Arc flash analysis evaluates potential risks and specifies PPE to protect workers. Ground faults are one of the leading causes of electrical hazards. 21 / 30 Which of the following best defines a ground fault? a. A surge in electrical current caused by faulty wiring b. A short circuit that occurs when a live wire comes into contact with a grounded surface c. An interruption in the flow of electricity due to an overload d. A condition where current unintentionally flows to the ground, potentially causing electrical shock or fire Incorrect. Ground faults involve unintended current flow to the ground. Correct! Ground faults can be hazardous if not addressed. Ground faults occur when electricity flows through unintended paths, posing safety risks. PPE is mandatory, regardless of task duration or comfort level. 22 / 30 Which of the following is a valid reason for NOT wearing PPE when required? a. You are in a rush and must complete the job quickly b. You are just doing one quick task c. The PPE is extremely uncomfortable d. None of them PPE is mandatory for safety and cannot be skipped. Correct! There are no valid excuses for not wearing PPE. PPE is crucial for safety and should always be worn when required, regardless of circumstances. EVSE supports multiple connector types. 23 / 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. The formula P=VIP = VIP=VI comes from Watts Law. 24 / 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. This type of supply adjusts for connected devices. 25 / 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. Preventative maintenance does not directly impact energy efficiency. 26 / 30 Which of the following is NOT a reason for preventative maintenance of EVSE? a. Ensuring optimal performance and reliability b. Maximizing the lifespan of the equipment c. Decreasing energy consumption during charging d. Minimizing the risk of unexpected failures Incorrect. Preventative maintenance focuses on reliability, not energy efficiency. Correct! Energy consumption is not directly influenced by preventative maintenance. Preventative maintenance ensures reliability and longevity but doesn’t affect energy consumption. ICE vehicles use gasoline or diesel. 27 / 30 Which of the following is NOT a type of electric vehicle? a. BEV b. PHEV c. ICE d. HEV Not correct. ICE vehicles are traditional fuel-powered vehicles, not electric. That’s right! ICE vehicles are not electric vehicles. ICE (Internal Combustion Engine) vehicles are not electric vehicles. BEV, PHEV, and HEV are types of EVs. It’s an EV powered entirely by batteries. 28 / 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. Lockout-Tagout is a safety protocol used in many electrical tasks. 29 / 30 Commissioning orders do not require Lockout-Tagout. a. True b. False Incorrect. Lockout-Tagout is crucial during commissioning tasks. Correct! Commissioning requires Lockout-Tagout for safety. Commissioning involves working with electrical systems, so Lockout-Tagout is required for safety. Work orders outline the specific tasks to be carried out. 30 / 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. 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