Technician A says that arc blast can be deadly because it releases massive amounts of electrical energy that can vaporize metals. Technician B says that an arc flash event is relatively harmless because electrical energy is released mainly as light. Who is correct?

Question

Quizplus · Accepted Answer

Technician A is correct because an arc blast can indeed be deadly, releasing massive amounts of electrical energy that can vaporize metals and cause severe injury or death. Technician B is incorrect; an arc flash event is not harmless, as it releases energy not only as light but also as heat, which can cause burns and other injuries.

Technician a Says That Arc Blast Can Be Deadly Because