NFPA 70 Questions and Answers Graded A+

NFPA 70 Questions and Answers Graded A+ 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. 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. 1976/ OSHA he 2004 edition of NFPA 70E introduced the requirements of ? . The 2015 edition ? all previous editions. 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 ? . 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 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 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 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 ? . 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 ? . 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. Operation / Identity An unqualified person is defined as a person who is not a qualified person. False Identify which of the following statement(s) is/are true as they relate to unqualified persons. I. An unqualified person is defined as a person who is not a qualified person. III. Unqualified persons must be familiar with any electrical safety-related practices necessary for their safety. IV. Unqualified persons must be trained in any electrical safety-related practices necessary for their safety. The employer must implement and document an electrical safety program appropriate to the risk associated with electrical hazards. True he electrical safety program must identify the ? upon which it is based, the ? by which it is measured and monitored, and the ? that are to be utilized before work is started by employees exposed to an electrical hazard. principles / controls / procedures An electrical safety program in compliance with NFPA