Safety for Electricians Module 2 Practice Test

These questions are part of the practice quiz. Start practicing

• Which boundary is the approach limit at which a shock hazard exists?
• What is the primary purpose of insulation resistance testing (megger) in electrical safety?
• At an elevation of 7 feet, is fall protection required?
• What type of extinguisher is recommended for electrical fires?
• What is the role of insulation-resistant testing (megger) in electrical safety?
• Define arc flash boundary and the two common approach boundaries used for worker protection.
• What is the role of a supervisor in electrical safety?
• Differentiate shock hazard from arc flash hazard in electrical work.
• What is the role of a GFCI in electrical safety?
• Which PPE item is a key component of arc flash protection?
• Which statement correctly differentiates preventative maintenance from corrective maintenance?
• Which option correctly maps the six classes of rubber protective equipment to their class tags and voltage ratings?
• What is the primary purpose of a permit for energized work?
• Which set of activities best supports continuous improvement in electrical safety performance?
• What is the first critical step when performing Lockout/Tagout on equipment?
• Which feature is commonly used to identify a confined space?
• How do de-energized work and isolated work differ?
• Scheduling off-shift maintenance work is an example of which type of control?
• What should be done if insulated tools are damaged?
• What is the role of PPE in electrical safety training?
• Which statement best describes effective post-work verification after electrical work?
• The NEC primarily establishes what regarding electrical systems?
• Tools made of nonconductive material and insulated from electrical energy are called?
• The NFPA 70E standard covers the ____.
• Which items are included in key pre-work equipment inspection steps?
• Job-specific electrical safety procedures provide:
• Asbestos may be found in facilities constructed before which year?
• At what height above a lower level is fall protection required on surfaces with unprotected edges?
• What is the purpose of a job briefing or pre-task briefing for electrical work?
• Which statement best differentiates lockout from tagout?
• How does the 'two-person rule' enhance safety for certain electrical tasks?
• What is the life-threatening condition called when heart muscle fibers contract irregularly?
• Which class of gloves is used for voltages up to 1,000 volts?
• What is the proper distance from ladder feet to the wall?
• At what voltage level does trained or authorized personnel supervision become generally required for live work?
• Which statement about arc flash boundaries is true?
• Which device is designed to rapidly interrupt current when a ground fault is detected?
• Which practice is correct when lifting to prevent injury?
• A garment's arc rating is its maximum incident energy resistance demonstrated prior to material breakdown, or at the onset of a second-degree skin burn. What term describes this property?
• What does the arc flash boundary indicate?
• Which boundary is defined as the approach limit at a distance from an exposed energized conductor where there is an increased likelihood of electric shock?
• Polychlorinated biphenyls (PCBs) are chemicals that may be found in large transformers and capacitors. What term describes these chemicals?
• Distinguish between the limited approach boundary and the restricted approach boundary.
• If you are performing work at 1.9 meters, is fall protection required?
• Who qualifies as a "qualified person" under NFPA 70E?
• What should be included on an arc flash label for equipment?
• The presence of which chemical in fluorescent fixtures is a safety concern for electricians?
• Which of the following is considered a confined space?
• Which color tag corresponds to Class 0 protective equipment?
• Which combination provides full head and neck protection against arc flash?
• Which is the correct interpretation of insulation resistance testing during commissioning or maintenance?
• Which class has the highest voltage rating and what is that rating?
• Fluorescent light fixtures may contain which chemical?
• How should you respond to an electrical shock if you’re trained?
• What is an important use of a hot stick?
• Which statement is true about NFPA 70E?
• What unit is used to express incident energy in arc flash calculations?
• The arc flash boundary (AFC) is the approach limit at which a person could receive a second-degree burn if an arc flash occurs. Which label is used for this boundary?
• In some older fluorescent fixtures, which chemical might be present?
• What is incident energy in arc flash terms and why is it important for PPE selection?
• Minimum Approach Distance means:
• What does SDS stand for in safety documentation?
• Which item is NOT typically considered one of the most life-threatening hazards on a construction site?
• Fall protection must be used when employees are on a walking or working surface that is _____ or more above a lower level and has an unprotected edge or side.
• Maintaining three-point contact on a ladder requires having three points of contact at all times.
• Which practice is NOT recommended when electrical work is performed in damp or wet conditions?
• Is it recommended to use a compressor for an air test on high-voltage gloves because it provides more pressure and faster results?
• What does the two-person rule provide in terms of rescue readiness and supervision?
• Which practice helps maintain safety when working near overhead conductors?
• Which statement best describes an engineering control?
• A potential contaminant found in certain fluorescent fixtures is:
• What should be checked prior to using insulated tools near live parts?
• Who is considered a 'Qualified Person' under NFPA 70E?
• What is the key benefit of a pre-task briefing in electrical work?
• To approach closer than the Minimum Approach Distance, what is required?
• Which item is not a standard element of a Lockout/Tagout procedure?
• All conductors, buses, and connections should be considered ____ until proven otherwise.
• Fall protection requirements apply starting at elevations of how many meters?
• One who has demonstrated the skills and safety training to identify hazards in electrical work is known as a?
• Which elements define a 'clear work area' around electrical equipment?
• Which of the following actions is NOT a recommended practice around live electrical equipment?
• A work permit is a type of which control?
• Why should tool tips be kept away from live parts?
• The base of a ladder should be about what fraction of the ladder's vertical height away from the wall?
• What safety measures should be in place when working on overhead or exposed conductors in outdoor environments?
• When moving a sharp hand tool from one location to another, you should keep the blade pointing away from your body.
• Polychlorinated biphenyls (PCBs) are chemicals that may be found in which electrical equipment?
• What is the purpose of temporary protective grounding?
• A double-insulated power tool can be used in place of what?
• Which information must be included on an arc flash label?
• How should PPE be stored and maintained to ensure ongoing protection?
• List three core requirements of a Lockout/Tagout program as applied to electrical work.
• For work at 1.0 meter elevation, is fall protection required?
• What are the recommended steps to safely extinguish an electrical fire?
• What is the primary role of a supervisor in ensuring permits and safety procedures are followed?
• How are grounding and bonding different in electrical safety?
• After completing installation or repair on electrical equipment, which should be verified before returning it to service?
• How should insulating gloves be tested and cared for before use?
• Which boundary, among the commonly defined safety boundaries, indicates the distance at which there is a potential shock hazard near exposed energized parts?
• What actions should be taken if PPE is damaged or failed during work?
• After maintenance, which testing step ensures safety devices function as intended?
• Ladder safety guidelines indicate the distance from feet to wall should be what fraction of the ladder’s working height?
• What constitutes complete safety documentation and why is it important?
• Which statement accurately summarizes the relationship between preventative and corrective maintenance?
• How should an electrical fire be addressed, and what should you avoid using?
• What is the purpose of the two-person rule in electrical safety?
• How should electrical work near water or moisture be conducted safely?
• Which statement accurately describes how arc flash PPE is selected?
• What happens to the permits used to enter a confined space?
• In lockout/tagout, what is the practical difference between applying a lock and applying a tag?
• Which items are typically included in electrical safety training?
• What is the purpose of a voltage verification procedure before servicing electrical equipment?
• When is an energized work permit required?
• Which CFR part number governs OSHA standards for General Industry?
• Before determining the proper procedure for confined space entry, a(n) ____ must be performed.
• What is arc flash hazard analysis and its key outputs?
• What is the purpose of insulation continuity testing after installation or repair?
• Which combination of safety practices best reduces risk when working near electrical equipment?
• Which tool is used to remove a temporary ground?
• When testing instruments used on live circuits, which statement is correct?
• Class 0 rubber gloves are used when working with voltages less than __________.
• A grounded tool typically has what feature to ensure stray current travels to ground?
• Which description best fits the tool used to verify zero voltage at the work location?
• What is the definition of preventative maintenance in the context of electrical safety?
• How should a worker respond to an arc flash incident?
• What are touch potential and step potential, and why are they hazards near outdoor high-voltage sources?
• How do you ensure proper grounding and bonding of electrical equipment?
• What steps should be taken to verify a circuit is de-energized before work?
• What is the primary purpose of NFPA 70E in electrical safety?
• What is the primary purpose of insulation-resistant testing (megger) in electrical safety?
• What is incident energy measured on an arc flash label used to determine?
• What actions should you take if PPE is discovered to be damaged during work?
• Which source should be consulted to determine the required PPE category for arc flash protection?
• A work permit illustrates which category of risk control?
• A first-year electrical apprentice is most likely to be which of the following?
• Older fluorescent fixtures have been known to contain which chemical?
• The elevation threshold for fall protection is ____.
• Which hazards are listed as potential hazards in confined spaces?
• Low-voltage conductors are responsible for most electrocution deaths due to which reason?
• Which action is part of testing performed after installation or repair?
• Which of the following is true regarding hand tools?
• A PPE category is typically identified as an output of arc flash hazard analysis. Which option best reflects this output?
• How should a worker protect themselves from arc flash when opening a panel?
• What steps should be followed to verify that a circuit is de-energized before starting work?
• What are the key PPE components for arc flash protection and what determines their use?
• Which statement is a direct output of arc flash hazard analysis besides incident energy and PPE category?
• Grounding integrity checking is intended to ensure what?
• What causes arc flash and what makes it dangerous?
• During erection of scaffolding, which action should be performed on each part?
• What is the difference between grounding and bonding in electrical safety?
• What is the main function of a lockout device in energy control procedures?
• CFR Part 1910 covers which OSHA standards?
• How does a permit-to-work system contribute to electrical safety?
• What is the primary purpose of lockout/tagout procedures?
• The amount of thermal energy impressed on a surface at a certain distance from the source of an electrical arc is known as the ?
• How is PPE category determined for arc flash?
• Which statement best describes the purpose of arc flash boundaries?
• Fall protection is required when working at elevations of _____.
• Why is bonding important in electrical safety?
• Which statement best describes the relationship between energy source verification and task authorization?
• What best describes touch potential vs step potential hazard near outdoor HV sources?
• When is a permit-required confined space relevant to electrical work, and what additional controls apply?
• Which statement best describes the relationship between incident energy and PPE category?
• Which statement best describes lockout versus tagout in a LOTO program?
• Which item is part of an effective post-work verification after electrical work?
• Which program elements are essential for continuous safety improvement?
• Which is the least effective method of preventing risk?
• After installation, which statement best reflects proper testing?
• What should a clearance sign or barricade accomplish around live equipment?
• How often should electrical PPE be inspected?
• What safety step is essential when replacing a fuse or breaker?
• CFR Part 1926 covers which OSHA standards?
• Which documents govern electrical safety in the workplace for electricians in many jurisdictions?
• Fluorescent fixtures may contain PCBs. Choose the correct option.
• What is the purpose of arc flash labeling on electrical equipment?
• How is energy source identification performed before work?
• Which CFR part governs OSHA standards for the Construction Industry?
• A machine guard is an example of which type of control?
• How does GFCI protection differ from equipment grounding?
• As it is erected, each part of a scaffolding shall be carefully ____.
• What is the unit used to measure incident energy in arc flash calculations?
• Which statement best describes verification of de-energization in a lockout/tagout program?
• In the event of electrical fibrillation, who should operate the defibrillator?
• Minimum and maximum scaffold plank overhang beyond end support is?
• What is the difference between an arc flash label for equipment and its absence?
• What is a key step in proper grounding and bonding of electrical equipment?
• Which of the following best describes the documentation produced during hazard analysis?
• Which item must be included on a lockout/tagout caution tag?
• What PPE is typically required for arc flash protection?
• Which term best describes the energy measure used in arc flash calculations to quantify thermal exposure?
• What are the main steps in a hazard analysis before electrical work?
• What information is conveyed by arc flash labels on electrical equipment?
• The maximum scaffold plank overhang beyond end support is measured in which unit?
• Which energy categories are included in OSHA's lockout/tagout rule?
• What signs of insulation deterioration can megger testing reveal?
• What is the purpose of a permit for energized work?
• How should arc flash PPE be selected and maintained?
• What is the difference between electrical safety training and job-specific electrical safety procedures?
• In lockout/tagout practices, what distinguishes a lock from a tag?
• Which option is not a component of continuous improvement in electrical safety?
• Low-voltage conductors are responsible for most electrocution deaths because of which factor?
• The best way to protect yourself from solvent hazards is to?
• When evaluating safety on a job site, which compound might you encounter in some fluorescent fixtures?
• Which statement best describes a GFCI’s reaction to a fault?
• How should flame-resistant clothing be cleaned and maintained?
• The NEC covers what?
• A PFAS anchorage point for a 6' lanyard must be able to hold how many pounds?
• Which statement best defines incident energy in arc flash safety?
• What is the proper use of a fire extinguisher on an electrical fire?
• What term describes a study used to assess a worker's potential exposure to arc flash energy?
• Which action best supports ongoing electrical safety improvement?
• Which practice is NOT part of maintaining arc flash PPE?
• After an incident, which practice most clearly supports safety improvement?
• What considerations apply to using test leads and meters on live circuits?
• When is it appropriate to remove a lockout device or tag?
• When is a hot work permit required in electrical settings?
• What is the proper use of insulated tools near live parts?
• How does an arc-rated face shield differ from an arc-rated hood?
• Which height corresponds to the 1.8 meter threshold in feet?
• Which three elements must be included in a Lockout/Tagout procedure?
• The type of hard hat that can withstand a voltage of 20,000 VAC for three minutes is a which class?
• In a lockout/tagout procedure, who installs lockout/tagout devices?
• Where should energized equipment or lockout devices during maintenance?
• Under NFPA 70E, when is energized work permitted and what safeguards are required?
• A shock of 5 mA can cause injury through which mechanism?
• Which boundary is defined as the distance from exposed energized conductors within which a shock hazard exists?
• Which item is NOT required on an arc flash label?
• What is the appropriate action when a panel shows signs of overheating (smell, discoloration)?
• If a person's heart begins to fibrillate due to an electrical shock, the recommended action is to have a qualified person use a defibrillator.
• Before using insulated electrical tools, which action is essential to ensure safety?
• How long should confined-space entry permits be retained?
• Which statement best describes the role of personal protective equipment in an electrical safety plan?
• A device that will de-energize a circuit if the current to ground exceeds a predetermined value is a?
• What is the primary purpose of NFPA 70E in electrical safety for workers?
• The OSHA lockout/tagout rule ______.
• What is the primary goal of preventative maintenance in electrical safety?
• Which substance may be present in fluorescent light fixtures?
• The arc rating indicates the garment's resistance to which type of energy in arc flash scenarios?
• What are boundary distances in the context of arc flash?
• What minimum approach distance governs safe entry near exposed energized parts, and how is it determined?