About The Arc Flash Boundary Estimator

The Arc Flash Boundary Estimator provides a simplified screening estimate for incident energy at working distance and an approximate arc-flash boundary.

How to Use the Arc Flash Boundary Estimator Online

1. Enter system voltage, arcing current, arc duration, and working distance.
2. Keep the empirical constant from your simplified method or sample assumption.
3. Run the estimator to review incident energy and boundary distance.

Choosing Options Correctly

This is a simplified educational estimate, not a full IEEE 1584 or NFPA 70E study. Real studies require equipment class, gap, enclosure, fault clearing data, protective device settings, and qualified review.

Common Use Cases

• Explore how arc duration affects boundary distance.
• Screen early electrical safety assumptions.
• Explain arc-flash sensitivity during training.

Quick FAQ

Can this assign PPE categories?
No. It is not a substitute for an arc-flash study, label, or PPE category assignment under the governing standard.

Does this save any hazard data?
The page calculation does not need server-side storage; avoid entering sensitive facility details unless required for your own records.

Which standards should I verify against?
Use the current requirements that apply to your site, such as NFPA 70E and IEEE 1584 where applicable.

What inputs are critical?
Available fault current, clearing time, working distance, enclosure type, electrode configuration, and system voltage strongly affect incident energy.