Con Edison Basic Electric Practice Test

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• Which statement correctly compares a series and a parallel circuit?
• If a briefing identifies risks, what should participants do?
• If one path in a parallel circuit fails, what usually happens to the other paths?
• What is the first step in setting up a work area?
• Which statement best describes the potential danger of small currents if sustained?
• Which of the following statements is true about underground transmission cables compared to overhead lines?
• Which statement about Area Substations is most accurate?
• What is the unit of resistance?
• What does an absence of voltage during a voltage test indicate?
• What is the recommended action if you see downed primary wires?
• What should be done when setting up the work area?
• Which of the following is an example of a conductor?
• How can wearing shoes with insulating soles help prevent electrical shock?
• Protection Relay
• What is the function of Protection?
• Which material is commonly used to carry electrical current?
• What should be done if a participant does not understand the briefing?
• What is a circuit?
• Which cubicles contain equipment for measuring electrical consumption?
• Manholes provide access to which components and are generally vented?
• R represents what quantity?
• High Tension Service is defined as service with distribution or transmission voltages of 4kV-138kV.
• How does contact area affect skin resistance?
• What is the worst-case body resistance across the torso?
• What items are prohibited when working around electrical conductors?
• What happens to skin resistance at about 600 volts?
• Which describes Type 3 Job Briefing?
• Voltage Range for Distribution Transformers
• Which statement best describes the relationship between current and electrons in a conductor?
• Where should a voltmeter be connected to measure voltage in a circuit?
• What three factors determine the severity of an electrical shock?
• What are the primary hazards faced by electrical field workers?
• What safety equipment should be used when maneuvering vehicles into traffic?
• In Three Way Communication, what does the second person do?
• Which practice helps ensure steps are not skipped or duplicated?
• What are electrical insulating rubber gloves used for?
• Which PPE items are appropriate for electrical hazard protection?
• If there are questions about the Rules We Live By, what should you do?
• Rescue harness: who must wear?
• What is the maximum voltage a shunt resistor can be used with?
• What is the purpose of advance warning signs?
• Which of the following is a common example of a conductor?
• Which process is responsible for converting high-voltage electricity to lower voltages for local distribution?
• What do the Rules We Live By do in safety culture?
• How does the path of current through the body affect shock severity?
• If a worker arrives late, what must occur?
• The Time Out process is intended to accomplish which of the following?
• Network Distribution refers to ...
• What best describes the Rules We Live By?
• Permits (Operating, D-faults): When may you enter D-Fault tagged structures?
• What must be done to ensure accurate measurements with an ohmmeter?
• Conductor definition: which statement best describes conductors?
• Which statement best describes the purpose of rubber sheeting around energized conductors?
• Which of the following is an insulator?
• Which circuit is characterized by a single path for current?
• How should the job briefing address energy source controls?
• What are insulating blankets used for?
• What is the risk associated with energized electrical conductors?
• Why is it important to wear fire-resistant clothing in electrical work?
• Who is responsible for conducting the job briefing?
• Which event is commonly cited as a potential source of hazardous voltage that can energize equipment unexpectedly?
• Why is it critical to know the minimum approach distance?
• During the setup of traffic control devices, which sequence is recommended?
• Rescue/Retrieval: What PPE requirement exists when working in enclosed spaces?
• How can crews improve safety regarding STKY?
• Before entering D-Fault tagged structures, what must be done with D-Faults?
• How are components connected in a series circuit?
• What is the role of flaggers in work area protection?
• Transmission Substations are used to...
• What is the unit of resistance?
• Why are parallel circuits more widely used?
• In direct current, electrons move in what manner?
• Which of the following would be a correct use of orange tape in the work area?
• What is the benefit of standing on a dry rubber mat while working with electrical equipment?
• How does an ohmmeter measure resistance?
• What should be done immediately after a person receives an electrical shock?
• What ions in sweat contribute to lowering skin resistance?
• What is the purpose of the 'First Check' step before starting electrical tasks?
• In network distribution, the term 'grid of secondary cables' refers to...
• What is the formula for voltage in relation to current and resistance?
• E represents which quantity?
• Which statement best describes the communication during a job briefing?
• What is necessary for accident-free performance?
• When is the Two Minute Rule typically applied?
• Who is responsible for the complete installation of HT service equipment?
• Under normal conditions, does the ground carry current?
• What does R1 represent in the resistance formula?
• I stands for what quantity?
• The symbol I is used to denote which electrical quantity?
• Which of the following is NOT a type of ladder?
• What should be done if the isolation device cannot be visually confirmed as open?
• Which scenario could energize a de-energized line due to physical contact?
• What is the primary use of a shunt resistor?
• What does the Time Out process refer to?
• Which practice helps avoid a hand-to-hand current path?
• During a job briefing, who benefits from discussion time?
• Testing dead equipment: what is the purpose?
• What is the main focus of Human Performance Improvement (HPI)?
• Which statement best describes the purpose of STKY discussions on a jobsite?
• What is the purpose of atmospheric testing and ventilation in enclosed spaces or permit-required confined spaces?
• When is the best time to discuss STKY to maximize effectiveness?
• What is the role of participants during the job briefing?
• What type of clothing is required for personnel working around energized high-energy equipment?
• Using Ohm's law, if 120 V is applied across 300 ohms, what is the current?
• Which organ is most commonly damaged by electrical current?
• In a resistance model, RT denotes the total resistance.
• Which statement best describes roving assignments?
• When work is performed near tunnels and bridges, what should be arranged in advance?
• Which statement best defines an insulator?
• Which Service Boxes statement is correct?
• Is it sufficient to lock out the control circuit on an electrically operated breaker?
• What is the function of a neutral conductor in an AC circuit?
• What is the minimum PPE required for hot work such as welding?
• What information must be included on posted permits?
• Which PPE item protects the arms when reaching into energized panels?
• Why is it important to validate your location before working alone?
• Voltage Regulation: What is it?
• What indicates a sustained contact voltage when using a shunt resistor?
• Which statement is true about an open circuit?
• What is the effect of high resistance on current?
• If voltage increases and resistance remains constant, what happens to current according to I = E/R?
• Who is responsible for conducting a Type 1 Job Briefing?
• What happens to minimum safe working distances as voltage increases?
• Service Boxes provide access to which cables and are generally solid.
• What type of communication should occur during the briefing?
• Transmission Substation Equipment includes...
• What is the consequence of not conducting a job briefing?
• Which statement best defines a Type 2 Job Briefing?
• When connecting components in a series circuit, how is the current path arranged?
• Which item is an example of protective equipment used around energized conductors?
• What is an ohmmeter?
• Which quantity does a voltmeter measure?
• What does the letter 'R' represent in electrical formulas?
• What is expected of field personnel in relation to the Rules?
• In the resistance formula, what does RT represent?
• Underground Residential Distribution distributes electricity to customers in a localized area utilizing...
• Why clearly communicate the Rules We Live By?
• Which item is not required to be on posted permits?
• What unit is resistance measured in?
• What is the lowest voltage that can potentially cause death?
• In a parallel circuit, how does the voltage across each branch behave as more branches are added?
• Which statement best describes how HPI views errors?
• What is the total resistance in a series circuit with multiple resistors connected end-to-end?
• What protective gear can help keep the brain out of a potential shock path?
• In circuit analysis, which symbol is used to represent current?
• What can happen if you step into a ring of different voltages?
• What is a parallel circuit?
• What three factors greatly affect skin resistance?
• Which protective measure helps avoid a hand-to-hand current path?
• What does STKY stand for?
• Which statement about resistance and current is true?
• Which phrase best describes a closed circuit?
• In Ohm's Law, which statement best describes the relation?
• What should happen if a worker arrives after the job briefing has begun?
• What is Peer Checking?
• How are electrical insulating rubber gloves classified?
• What should be verified before using a shunt resistor?
• In a simple series circuit, which statement about total resistance is correct?
• In a parallel circuit, what is true about the voltage across loads?
• Which statement best describes required understanding in a job briefing?
• What happens if significant changes occur during the work?
• When near tunnels and bridges, what is a key arrangement?
• Which option correctly describes step potential?
• What does the Let-Go Current Value refer to?
• What are some ways a 'de-energized' system can become energized?
• In a series circuit, how is the total resistance calculated?
• Which symbol represents electrical current?
• What is the unit of resistance?
• What is the importance of efficient deployment in work area setup?
• Which factors determine the severity of an electrical shock?
• What is the purpose of using rubber sheeting in electrical work?
• What does HPI stand for?
• What is the significance of repeating STKY discussions throughout the day?
• If the job conditions change on site, what action is specified?
• Which statement best describes the effect of dry skin on current flow compared to moist skin?
• What is the primary function of an ohmmeter?
• What should be worn with electrical insulating rubber gloves to prevent damage?
• During setup, which item is placed after advance warning signs?
• What does STKY remind workers to focus on?
• What is the significance of PPE in job briefings?
• A circuit with a single path for current that breaks anywhere along the path causes the entire circuit to stop functioning. This type is called:
• Which item is used to protect against arc burns?
• What is the purpose of a job briefing?
• In a circuit with a 12 V source and a 3 Ω resistor in series, what is the current?
• What must be confirmed before work begins after a briefing?
• How does the magnitude of current affect the severity of an electrical shock?
• Who collaborated to create the Rules We Live By?
• What percentage of all events are initiated by human error?
• Which detects faults and initiates circuit interruption?
• Which statement correctly identifies where the total resistance in a series circuit lies?
• What is one key to success in implementing the Rules We Live By?
• Which components are typically found in a simple circuit?
• Which factor is NOT a major determinant of skin resistance?
• According to experience, which factors contribute to most serious events?
• Circuit Breaking
• What should be done when excavating near schools or hospitals?
• If you see a violation of the Rules We Live By, what should you do?
• Which topics should be covered during a job briefing?
• What is the minimum current level that can be dangerous if sustained?
• What is Place Keeping?
• Name three types of protective equipment used around energized conductors.
• Which instrument is used to measure current in a circuit?
• In circuit notation, which letter is commonly used to denote current?
• Accident-free performance depends on what?
• Distribution Transformer
• Which statement accurately describes the general rule for traffic control device setup?
• What is the role of safety shoes in electrical work?
• Which term describes the feedback discussion after a job is completed?
• Which instrument measures electrical current?
• In a simple circuit, what is a load?
• What should be considered when scheduling street work?
• Which device changes voltage from high to low for consumer use?
• Which topics must a Pre-Job Briefing cover?
• What is the main point of Type 1 Job Briefing?
• Underground Residential Distribution primarily distributes electricity using which method?
• Metering
• What is the best way to work on electrical equipment?
• Which is a key to successful implementation of the Rules We Live By?
• Which of the following is a valid ladder type among the four listed?
• The intensity of an electrical current is measured in what unit?
• What happens to the total resistance in a series circuit when more resistors are added in series?
• What does an ohmmeter help determine?
• Which statement best describes the scope of who the Rules We Live By apply to?
• In a series circuit, which statement about current is true?
• What is the importance of providing time for discussion during the briefing?
• Alternating current (AC) is defined as
• What is a multimeter?
• Dead/Lockout-Tag Out: What should you do before starting dead work?
• Which statement best describes a Type 2 Job Briefing?
• What is the Energy Wheel in the context of STKY?
• What is metering?
• High Hazard Energy PPE: What equipment is required?
• Which ladder type is typically used to reach higher points?
• Pulsating direct current is defined as which of the following?
• In electrical circuits, what is the primary effect of resistance?
• Which participants are required to take part in a job briefing?
• In setting up traffic control devices, which sequence is recommended?
• Switchgear Cubicles
• Which condition would most increase current through the body when in contact with a live conductor?
• What should be done when breaking down the work area?
• What functions does a multimeter typically combine?
• How does HPI aim to improve performance outcomes?
• Excavation Testing: For excavations greater than 4 feet, what is required?
• What is the unit of electrical current?
• What does resistance describe in an electrical circuit?
• Which item is a ladder type among the choices?
• Which term is an interchangeable name for area substation cubicles?
• How does the intensity of an electrical current relate to the number of electrons passing a point in a circuit?
• Which of the following lists the five principles of human performance?
• What is generally true about the cost of underground transmission compared to overhead lines?
• What is the symbol for ohms?
• An ammeter is used to measure which electrical quantity, and how is it connected?
• Which statement correctly identifies R1?
• In the equation I = E/R, which quantities are related?
• Which unit measures electrical power?
• Voltage Transformation: What is it?
• What is the role of management regarding the Rules We Live By?
• Which statement best describes who the Rules We Live By apply to?
• Which statement describes the effect of current path when vital organs are involved?
• During breakdown, how should traffic devices be collected?
• How does skin moisture affect resistance?
• What is a common example of a series circuit?
• What should be done if the situation changes on the jobsite?
• When should STKY discussions be part of work?
• What is the primary function of a Network Protector?
• What does Touch STAR stand for?
• What is the purpose of a post-job review?
• When should you raise questions about the Rules We Live By?
• Which material among the following is an insulator?
• In network distribution, what best describes the network of customers fed by several network transformers tied together with a grid of secondary cables?
• Which statement best captures the purpose of the Rules We Live By?
• What is a Type 1 Job Briefing?
• Why is it important to maintain safe distances from energized electrical conductors?
• What system is used for monitoring and controlling the flow of electricity to ensure reliability and efficiency?
• Which PPE item is used to protect eyes around energized conductors?
• What is the last step in establishing a work site?
• Fault Isolation in a network protector is designed to:
• Which action best demonstrates Three Way Communication in practice?
• How does HPI impact safety, quality, and productivity?
• What happens to current flow in materials with low resistance?
• Ohm's Law describes what?
• What is the purpose of a Pre-Job Briefing?
• What type of current is characterized by electrons moving in one direction?
• What is the purpose of focusing on STKY?
• Area Substation: What is it?
• What is a load?
• Atmospheric Testing: What is required?
• How should pedestrian traffic be observed during work area setup?
• What must be reviewed before planning work at a job site?
• Why is it important to disconnect power before using an ohmmeter?
• Which action best supports identifying energy-related hazards on a site?
• What role does sweat play in skin resistance?
• Choose the option that is a ladder type.
• Consequence of not following the Rules We Live By?
• What should be done if sustained contact voltage is detected?
• What is the primary objective of Procedure Use & Adherence?
• What happens in an open circuit?
• Which statement about skin moisture and resistance is correct?
• Under normal conditions, the voltage on a neutral conductor is typically close to what value?
• What are the 4 types of ladders?
• What should the resistance reading be when the shunt resistor is operational?
• What unit is used to measure resistance on a multimeter?
• In a parallel circuit with two 6 Ω loads across a 12 V source, what is the current in each load?
• What is required for consistent results in performance?
• Which statement best describes a conductor?
• What is the purpose of PPE for electrical workers?
• What is the unit used to express the quantity of electrical pressure?
• What is the Two Minute Rule?
• What happens to motor control during an electrical shock?
• Two resistors in series, 2 Ω and 8 Ω, what is the total resistance?
• Which factor is not typically considered when evaluating the severity of an electrical shock?
• If a participant has questions during the briefing?
• In a parallel circuit, if one path is broken, what happens to the other branches?
• Power is defined as what?
• Which items are included in the safety equipment when maneuvering vehicles into traffic?
• Which item should be documented after a job briefing?
• For accident-free performance, which approach is essential?
• What is the SI unit for current?
• How does duration affect electrical shock severity?
• What should you do if you are unsure during an operation?
• Before leaving the yard for a job, which action should you take?
• What is the purpose of a ground wire in an electrical system?
• Which of the following is a ladder type?
• If a briefing fails to cover hazards adequately, what should happen?
• Which of the following is a ladder type?
• What outcome is expected from following the Rules We Live By?
• In a job briefing for work involving Rules We Live By, what should you do?
• What are the three questions to discuss regarding STKY on a job site?
• What type of gloves should be used when electrically rated gloves are not required?
• What is the recommended escape method if you must leave the area due to step potential?
• What is the minimum personal protective equipment required for Con Edison employees?
• Which organizational aspects are most linked to major safety events?
• What are Area Substation Cubicles?
• Touch potential is defined as the situation where electricity passes through the body to the ground when touching an energized object while standing on the ground.
• Which sequence describes the correct order of placing devices?
• What are the two types of circuits?
• What is the recommended action if you encounter downed primary wires?
• What does Flagging and Operational Barriers involve?
• How many watts are equivalent to one horsepower?
• Why is pure water considered a poor conductor of electricity?
• Switching: What is it?
• Which of the following best describes the core principle of Procedure Use & Adherence?
• Which description best matches Type 3 Job Briefing?
• Currents as low as 20 mA can be dangerous if sustained; what does this imply about safety?
• The purpose of reinforcing personal accountability among employees is to:
• In circuit notation, which symbol represents resistance?
• Step potential is defined as the potential difference between which points?
• Which item is prohibited when working around energized conductors due to risk of conduction?
• What must be done to ensure a de-energized system remains de-energized during work?
• What is work in the context of electrical circuits?
• What are leather gauntlets used for in electrical work?
• What must be documented after a job briefing?
• Which statement describes roving assignments?
• Manholes are generally vented to relieve pressure and are designed to provide access to which components?
• What is the purpose of fire resistant clothing around high-energy electrical equipment?
• What is the primary natural protection against electrocution?
• After donning PPE, what is the next setup action?
• What happens to electrons when voltage is applied to a conductor?
• Which statement best describes underground transmission cables in comparison to overhead lines?
• Which statement best describes a multimeter's versatility?
• During setup, which routes should be noted for pedestrians?
• What traditional belief exists about human performance?
• What are the two main goals of work area protection?
• What is the function of insulating sleeving?
• How should an ammeter be connected in a circuit?
• What is necessary to produce an electrical current?
• Which step is essential when preparing to measure resistance with an ohmmeter?
• Which statement best describes lockout requirements for an electrically operated breaker?
• Who must participate in the job briefing?
• What is the resistance of dry, hard skin?