NFPA 70E Qualified Electrical Worker

Limited, restricted, and arc flash boundaries - distances, voltage tables, working distance, and boundary requirements for exposed energized parts.

Incident energy measurement, factors affecting arc flash energy, DC arc flash, clearing time, fault current, and the 1.2 cal/cm^2 threshold.

Arc-rated PPE requirements, PPE category tables, face shields, balaclavas, clothing requirements, and proper underlayer selection.

Justification for energized work, energized work permits, risk assessment procedures, hierarchy of controls, training requirements, and job safety planning.

Establishing an electrically safe work condition, LOTO step sequence, absence of voltage verification, live-dead-live testing, and interlocks.

Voltage-rated gloves, glove testing intervals, insulated hand tools, rubber insulating matting, blankets, test instrument ratings, and inspection.

Arc flash labels, label content requirements, updating studies, protective device verification, clearing time reduction, torque requirements, and condition-based safety.

Barricades, signage, GFCI protection, working space, housekeeping, illumination, conductive articles, dropped tools, and cover management.

DC system hazards, shock hazard analysis, engineering controls, touch potential, PPE storage, arc blast hearing protection, boundary signage, and touch-safe design.