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OSHA 30hr Construction- 14 - Arc Flash and Electrical Safety Best Practices (NFPA 70E 2024) Exam with correct answers. $13.49   Add to cart

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OSHA 30hr Construction- 14 - Arc Flash and Electrical Safety Best Practices (NFPA 70E 2024) Exam with correct answers.

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OSHA 30hr Construction- 14 - Arc Flash and Electrical Safety Best Practices (NFPA 70E 2024) Exam with correct answers.

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  • October 28, 2024
  • 4
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • what is arc flash
  • OSHA 30hr Construction- 14 - Arc Flash and Electri
  • OSHA 30hr Construction- 14 - Arc Flash and Electri
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Lectphilip
OSHA 30hr Construction- 14 - Arc Flash
and Electrical Safety Best Practices
(NFPA 70E 2024) Exam with correct
answers
What is arc flash? - correct answer -Arc flash is the visual electrical light and heat that occur during an
arc fault



What's the minimum voltage at which serious electric shock can occur? - correct answer -50 volts



What determines the severity of injury in arc flash? - correct answer -The available current and duration
of the arc flash



What injuries are associated with electric shock? - correct answer -A. Electrocution

B. Suffocation

C. Tissue and organ damage

D. All of the above - Correct Answer



How are arc flash and electric shock protection boundaries determined? - correct answer -Qualified
workers use NFPA 70E boundary tables or the employer's safe work practices tables to determine arc
flash and shock protection boundaries.



What is an arc flash protection boundary? - correct answer -The distance from energized equipment at
which a worker, unprotected by proper PPE, would sustain burns less than those from a mild sunburn



What constitutes an "electrically safe condition"? - correct answer -Equipment is locked and tagged in a
de-energized position and then tested to ensure there is no stored or protentional energy



Who can enter limited and restricted boundaries? - correct answer -Electrically-qualified workers and
those undergoing on-the-job training with demonstrated ability to safely perform the required task



OSHA 30hr Construction- 14 - Arc Flash and Electrical Safety Best Practices (NFPA 70E 2024)

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