5/1 NFPA70E Final Study Set Exam with Correct and Verified Answers 2024

5/1 NFPA70E Final Study Set Exam with Correct and Verified Answers 2024 NFPA 70E, Standard for Electrical Safety in the Workplace, consists of ? chapters; 17 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 The 1995 edition of NFPA 70E included the concepts of ? and the establishment of an arc. The 2000 edition continued to focus on establishment of flash protection boundaries, the use of personal protective equipment, and ? to assist the user in applying appropriate protective clothing and personal protective equipment for common tasks. - CORRECT ANSWER-Limits of Approach/Charts The 2004 edition of NFPA 70E introduced the requirements of ? . The 2018 edition ? all previous editions. - CORRECT ANSWER-The energized electrical work permit / supersedes NFPA 70E Chapter 1 applies generally to electrical safety in the workplace. Chapter 2 addresses safety-related ? requirements. Chapter 3 ? Chapter 1 with safety requirements for special equipment. - CORRECT ANSWER-maintenance / supplements or modifies Explanatory material is included in the form of informational notes, which are not enforceable as requirements. Brackets containing section references to another NFPA document are for informational purposes only and are provided as a guide to indicate the source of the extracted text. - CORRECT ANSWER-True An arc flash hazard is defined in Article 100 as a source of possible injury or damage to health associated with the release of energy caused by an electric arc. Informational Note No. 1 indicates that the likelihood of occurrence of an arc flash incident increases when energized electrical conductors or circuit parts are exposed or when they are within equipment in a(n) ? condition, provided a person is interacting with the equipment in such a manner that could cause an electric arc. An arc flash incident is not likely to occur under normal operating conditions when enclosed energized equipment has been properly installed and ? - CORRECT ANSWER-guarded or enclosed / maintained Arc rating is defined in Article 100, in part, as the value attributed to materials that describes their performance with exposure to an electrical arc discharge and is expressed ? . Informational Note No. 1 states, in part, that arc-rated clothing or equipment has been tested for exposure to an electric arc and that flame-resistant (FR) clothing without an arc rating ? been tested for exposure to an electric arc - CORRECT ANSWER-in cal/cm2 / has not ATPV is defined in ASTM F1959/F1959M as the incident energy (cal/cm2) on a material or a multilayer system of materials that results in a ? probability that sufficient heat transfer through the tested specimen is predicted to cause the onset of a second degree skin burn injury based on the Stoll curve. EBT is defined in ASTM F 1959-06 as the incident energy (cal/cm2) on a material or a material system that results in a ? probability of break open. - CORRECT ANSWER-50% / 50% The Informational Note to the definition of arc flash boundary states that, according to the Stoll skin burn injury model, the onset of a second degree burn on unprotected skin is likely to occur at an exposure of ? for one second. - CORRECT ANSWER-1.2 cal/cm2 An approach limit at a distance from an exposed ene