Arc Flash PPE Table Method: When to Use It and When You Can't
Calculators Referenced in This Guide
Arc Flash Incident Energy Calculator
Calculate incident energy, arcing current, PPE category, and arc flash boundary per IEEE 1584-2018. Supports all five electrode configurations with enclosure correction and reduced arcing current analysis.
Arc Flash PPE Category (Table Method)
Look up arc flash PPE category directly from NFPA 70E Table 130.7(C)(15)(a) for AC and (b) for DC systems. No incident energy calculation needed for routine tasks within table limits.
Shock Approach Boundary Calculator
Look up limited, restricted, and prohibited approach boundaries for shock protection per NFPA 70E Table 130.4(E)(a) for AC and (b) for DC. Visual boundary zone diagram included.
Related Guides
Arc Flash Incident Energy: What the Numbers Mean and How to Get Them Right
IEEE 1584-2018 arc flash calculation explained step by step. Arcing current, incident energy, reduced current scenario, PPE categories, and practical interpretation of results.
Shock Approach Boundaries: Who Can Cross Which Line
NFPA 70E shock approach boundaries for AC and DC systems. Limited, restricted, and prohibited distances, who needs what training, and what PPE is required at each boundary.
Energized Electrical Work Permits: When You Need One and How to Fill It Out
NFPA 70E 130.2(B) energized electrical work permit requirements. When energized work is justified, what goes on the form, and the approval process.