NFPA 70E STUDY EXAM QUESTIONS
AND ANSWERS [LATEST UPDATE]
Arrangement of 70E - CORRECT ANSWER Introduction (Article 90)
Chapter 1 Safety Related Work Practices
Chapter 2 Safety Related Maintenance Requirements
Chapter 3 Safety Requirements for Special Equipment
Annexes (Article 350)
Arc Flash Hazard - CORRECT ANSWER A dangerous condition associated with the possible release of
energy caused by an electric arc
Arc Rating - CORRECT ANSWER The value attributed to materials that describes their performance to
exposure to an electrical arc discharge. The arc rating is expressed in cal/cm^2 and is derived from the
determined value of the arc thermal performance value (ATPV) or energy of breakopen threshold (E BT)
(should a material system exhibit a breakopen resoponce below the APTV value). Arc rating is reported
as either APTV or E bt, whichever is the lower value.
Barricade - CORRECT ANSWER A physical obstruction such as tapes, cones, or A-frame-type wood or
metal structures intended to provide a warning and to limit access.
Barrier - CORRECT ANSWER A physical obstruction that is intended to prevent contact with equipment
or energized electrical conductors and circuit parts or to prevent unauthorized access to a work area.
Limited approach boundary - CORRECT ANSWER An approach limit at a distance from an exposed
energized electrical conductor or circtuit part within which a shock hazard exists.
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