Electrical Engineering and Construction Safety
Exam Questions and Answers 2026-2027
Q: What is the purpose of OSHA Subpart K 1926.400 - 1926.449?A - ANSWER:
To review requirements for electrical safety, including guarding live parts,
wiring methods, temporary lighting, and extension cords.
Q: What are some of the most frequently cited electrical violations? -
ANSWERA: Grounding path issues, no work near parts of the electrical circuit,
improper strain relief on flexible cords, worn or frayed cords and cables, and
improper equipment installation and use.
Q: What are some hazards associated with electrical work? - ANSWERA:
Potentially fatal shocks, arc flash burns, indirect injuries from falls, and
electrical-related fires or explosions.
Q: What factors affect the severity of electrical shock? - ANSWERA: Path of
the current, amount of current, and the length of time exposed to the
current.
Q: At what amperage does a GFCI (Ground Fault Circuit Interrupter) trip? -
ANSWERA: 4-6 milliamps.
Q: What is required for electrical equipment to be suitable for use? -
ANSWERA: The equipment must be listed, labeled, or certified for the
identified purpose, and have legible markings showing voltage, current, and
wattage.
Exam Questions and Answers 2026-2027
Q: What is the purpose of OSHA Subpart K 1926.400 - 1926.449?A - ANSWER:
To review requirements for electrical safety, including guarding live parts,
wiring methods, temporary lighting, and extension cords.
Q: What are some of the most frequently cited electrical violations? -
ANSWERA: Grounding path issues, no work near parts of the electrical circuit,
improper strain relief on flexible cords, worn or frayed cords and cables, and
improper equipment installation and use.
Q: What are some hazards associated with electrical work? - ANSWERA:
Potentially fatal shocks, arc flash burns, indirect injuries from falls, and
electrical-related fires or explosions.
Q: What factors affect the severity of electrical shock? - ANSWERA: Path of
the current, amount of current, and the length of time exposed to the
current.
Q: At what amperage does a GFCI (Ground Fault Circuit Interrupter) trip? -
ANSWERA: 4-6 milliamps.
Q: What is required for electrical equipment to be suitable for use? -
ANSWERA: The equipment must be listed, labeled, or certified for the
identified purpose, and have legible markings showing voltage, current, and
wattage.
