Question 15008 of 790 · California General Electrician Exam
The arc flash boundary is the distance at which the incident energy equals what value?
Exactly one answer is correct.
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Correct answer to question 15008
- C: 1.2 cal/cm2
Explanation
NFPA 70E defines the arc flash boundary as the distance at which incident energy equals 1.2 cal/cm2, the level associated with the onset of a second degree burn on unprotected skin.
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