Arrangement of 70E
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
A dangerous condition associated with the possible release o...
✓ 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
✓ 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.
Shock boundaries
✓ Limited approach boundary,
Restricted approach boundary,
Prohibited approach boundary (not in 2015)
Limited approach boundary
✓ An approach limit at a distance from an exposed energized electrical
conductor or circtuit part within which a shock hazard exists.
Restricted approach boundary
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