Exam (elaborations)
NFPA70 Study Guide Correct Questions & Answers(SCORED A+)
- Course
- Institution
What is an Arc Flash? - ANSWER A short circuit that jumps through the air from one exposed conductor to another. What makes an Ar Flash dangerous? - ANSWER Temperatures of up to 35k' F, shrapnel, molten metal, chocks, shockwave (2k lbs/foot^2), soud (140 dB), burn injuries. Hazard/Risk Catego...
[Show more]