NFPA 70

NFPA 70E, Standard for Electrical Safety in the Workplace, consists of ? chapters, 16 informative annexes, the Foreword to NFPA 70E, and Article 90, Introduction. Chapter 1 is divided into ? articles. - correct answer 3/5 The appointment of the NFPA 70E Committee was announced on January 7, ? , and was formed to assist ? in preparing electrical safety standards that would serve its requirements. - correct answer 1976/ OSHA he 2004 edition of NFPA 70E introduced the requirements of ? . The 2015 edition ? all previous editions. - correct answer the energized electrical work permit / supersedes The Informational Note to the definition of arc flash boundary states that a second degree burn is possible by an exposure of unprotected skin to an electric arc flash above the incident energy level of ? . - correct answer 1.2 cal/cm2 An approach limit at a distance from an exposed energized electrical conductor or circuit part within which a shock hazard exists - correct answer Limited approach boundry An approach limit at a distance from an exposed energized electrical conductor or circuit part within which there is an increased risk of shock, due to electrical arc-over combined with inadvertent movement, for personnel working in close proximity to the energized electrical conductor or circuit part - correct answer Restricted approach boundry When an arc flash hazard exists, an approach limit at a distance from a prospective arc source within which a person could receive a second degree burn if an electrical arc flash were to occur Answer 3 - correct answer Arc Flash Boundry An electrical hazard is defined as a dangerous condition such that contact or ? can result in electric shock, arc flash burn, thermal burn, or ? . - correct answer Equipment failure/ Blast Incident energy is defined as the amount of thermal energy impressed on a surface, at a certain distance from the source, generated during an electrical arc event. One of the units used to measure incident energy is ? . - correct answer calories per centimeter squared (cal/cm2) A qualified person is defined as one who has demonstrated skills and knowledge related to the construction and ? of electrical equipment and installations and has received safety training to ? and avoid the hazards involved. - correct answer Operation / Identity