Nfpa 70e stuvia - Study guides, Class notes & Summaries

2. For exposed 480 VAC energized conductors and using NFPA 70E Table 130.2(C) or the Shock Protection Boundaries and PPE Fermilab Summary table for NFPA 70E, the Restricted Approach Boundary for shock protection is a. 1 Inch b. 7 Inches c. 1 Foot d. 3 Feet 6 Inches - ANSWER c 3. For energized circuits, escorted unqualified persons are allowed within which Shock Protection Approach Boundaries? a. Restricted Approach Boundary b. Limited and Restricted Approach Boundaries c. Limited...

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 ...

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ATPV - ANSWER Arc Thermal Performance Value-The incident energy (cal/cm^2) on a material or a multilayer system of materials that results in a 50 percent 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 (Definition taken from ASTM F1959/F1959M) Cal/cm^2 - ANSWER Calories per square centimeter Electrically Safe Work Condition - ANSWER When the power has been turned off Arc Fl...

The OCPD that is protecting the downstream equipment - ANSWER The term "protecting-OCPD" best describes which one of the following? True - ANSWER The arc flash hazard created during an arc flash event is directly dependent on the OCPD that is protecting the downstream equipment where the arcing fault occurs. IEEE 1584 - ANSWER The most commonly used means to calculate incident energy discussed is ? . safely - ANSWER After a circuit is deenergized by the automatic operation of a circui...

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. - 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. - ANSWER 1976/ OSHA he 2004 edition of NFPA 70E introduced the requirements of ? . The 2015 edition ? a...

Nfpa 70e Exam Questions and Answers 100% AccurateNfpa 70e Exam Questions and Answers 100% AccurateNfpa 70e Exam Questions and Answers 100% Accurate 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 are the guidelines for using CPR on a shock victim? - ANSWER Begin CPR as soon as possible after de-energizing the source of shock Continue CPR until medical assistance arrives Secure the accident scene Don't delay rescue procedures On which three topics are unqualified workers required to receive training under NFPA 70E? - ANSWER Any relevant electrical safety work practices not covered by the NFPA 70E standard Procedures for protecting them from relevant electrical hazards...

NFPA 70E FINAL Questions and Answers 100% VERIFIEDNFPA 70E FINAL Questions and Answers 100% VERIFIEDNFPA 70E FINAL Questions and Answers 100% VERIFIEDNFPA 70E FINAL Questions and Answers 100% VERIFIEDTrue or False: A mandatory rule can have exceptions. - ANSWER-False True or False: Permissive rules are allowed but not required to be performed - ANSWER-true

NFPA 70E - Electrical Hazard Safety with Complete SolutionsNFPA 70E - Electrical Hazard Safety with Complete SolutionsNFPA 70E - Electrical Hazard Safety with Complete SolutionsThe 3 hazards of electricity are? - ANSWER-Shock, Arc Flash, Ark Blast When an individual disconnect device in an energized MMC has been locket out, that MCC is... - ANSWER-Still a potential Arc Flash risk When working within the restricted approach boundary which is REQUIRED in order to perform non-electrical work ...