Nfpa 70e Exam 2024

Nfpa 70e Exam 2024 Three main electrical hazards working on energized circuit -Answer-Shock, fire, arc What is an arc flash? -Answer-A type of electrical explosion or discharge that results from low impedance connection through air to ground or another phase. What is an arc blast? -Answer-The explosive burst of energy that occurs during an arc flash. What determines the effects of shock on the body? -Answer-Time, path, amount of current What is the onset of second-degree burn -Answer-1.2 cal/cm^2 How is FR clothing related -Answer-Arc Thermal Protect Value What are two field methods of testing dielectric gloves? -Answer-Roll up method and glove inflator How often do rubber gloves need to be sent to be dielectrically tested? -Answer-Before first issue and every six months there after All testing equipment must be ___________ for the circuit and equipment to be tested -Answer- Rated Name the three shock protection boundaries -Answer-Limited approach