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

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.

NFPA 70E - ANSWER ___ is a voluntary standard for electrical safety-related work practices. FALSE - ANSWER Only NFPA committee members can draft a proposal and submit it to the NFPA FALSE - ANSWER The only way for workers to be protected from electrical hazards is for them to wear the proper PPE for the task. milliamps (mA) - ANSWER When a person receives an electric shock, the current through the body is measured in ___. 3 mA to 7 mA - ANSWER At ___, most people realize they have be...

True 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 What does NEC stand for? - ANSWER National Electrical Code What do chapters 1-4 of the NEC cover - ANSWER General electric installations What do chapters 5-7 of the NEC cover - ANSWER Special equipment and loctations What does chapter 8 of the NEC cover - ANSWER Communication systems What does chapter 9 of the NEC cover -...

True 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 What does NEC stand for? - ANSWER National Electrical Code What do chapters 1-4 of the NEC cover - ANSWER General electric installations What do chapters 5-7 of the NEC cover - ANSWER Special equipment and loctations What does chapter 8 of the NEC cover - ANSWER Communication systems What does chapter 9 of the NEC cover -...

NFPA 70E requires the employer to implement and document a _____ program. - SOLVED ANSWER-Electrical Safety Article ____ covers safety related maintenance requirements for fuses and circuit breakers. - SOLVED ANSWER-225 Article ____ outlines what is covered and not covered by NFPA 70E. - SOLVED ANSWER-90 NFPA 70E requires that emergency response training be documented T/F - SOLVED ANSWER-T The scope of article 100 indicates that each term or phrase used within NFPA 70E is defined in ...

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 - ACCURATE 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...

True or False: A mandatory rule can have exceptions. - ACCURATE ANSWER-False True or False: Permissive rules are allowed but not required to be performed - ACCURATE ANSWER-true What does NEC stand for? - ACCURATE ANSWER-National Electrical Code What do chapters 1-4 of the NEC cover - ACCURATE ANSWER-General electric installations What do chapters 5-7 of the NEC cover - ACCURATE ANSWER-Special equipment and loctations What does chapter 8 of the NEC cover - ACCURATE ANSWER-Communica...

Standard for electrical safety in the workplace - SOLVED ANSWER-NFPA 70E 1979 - SOLVED ANSWER-Originally developed at OSHA's request, the first edition of NFPA 70E was published in _______ and contained installation safety requirements borrowed from the National Electric Code. 1981 - SOLVED ANSWER-In _____, safety-related work practice requirements were added. 1995 - SOLVED ANSWER-In _______, "limits of approach" and "arc flash" concepts were introduced. 1900s and 2000s - SOLVED...

What does the general duty clause of the Occupational Safety and Health Act require of employers? - SOLVED ANSWER-Provide a workplace free from recognized hazards What do safety-related work practices require regarding cell lines? - SOLVED ANSWER-The cell line is not grounded through the welding machine. You are going to conduct battery activities that will require you to handle liquid electrolyte. What protective equipment must be available to you? - SOLVED ANSWER-Eye wash facilities W...

Arc Flash Hazard - SOLVED ANSWER-A source of possible injury or damage to health associated with the release of energy caused by an electrical arc. Arc Rating - SOLVED ANSWER-The value attributed to materials that describes their performance to exposure to an electrical arc discharge. The arc rating is expressed in cal/cm2. Arc rating is reported in either ATPV or Ebt. Barricade - SOLVED ANSWER-A physical obstruction such as tapes, cones, or a frame type wood or metal structures intended t...