Arc Flash Data Worksheet Chart

Use this worksheet after the calculator result to record incident energy, working distance, boundary, PPE notes, equipment label basis, study date, and qualified-person review.

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Quick reference table

An arc flash data worksheet is a calculator-led safety planning screen. It preserves the result and the study assumptions so a qualified person can verify labels, tasks, PPE, and energized-work controls before field use.

Arc flash data record

Arc flash data record
Field	Record from result	Verification note
Equipment case	Bus, panel, MCC, switchgear, or label ID	Match the exact equipment and operating mode
Incident energy	cal/cm2 result and working distance	Confirm the study case and label date
Boundary	Arc-flash boundary distance	Compare with task location and barricade plan
PPE note	PPE category or energy-based selection note	Verify with the electrical safety program
Follow-up	Study, label, or task gap	Route to qualified-person and owner review

Arc flash task-context routing

Arc flash task-context routing
Task context	Record on worksheet	Why it changes the review
Normal operation	Switching or interaction task and enclosure state	The task may use different exposure assumptions than maintenance work
Troubleshooting	Voltage exposure, test point, PPE note, instrument rating	Live diagnostic work needs separate shock and arc review
Maintenance or repair	De-energized plan, lockout status, verification step	PPE notes do not replace establishing an electrically safe work condition
Label mismatch	Equipment ID, label date, available fault-current note	Outdated labels can break the incident-energy basis

Formula basis

Worksheet record = incident energy + working distance + arc-flash boundary + equipment label basis + task/PPE notes.

Incident energy is the calculator or study value tied to the same equipment case.
Working distance is the distance used for the incident-energy result.
Arc-flash boundary is the distance recorded for the selected equipment case.
PPE notes describe the task basis and are not a substitute for a current electrical safety program.

Worked examples

Switchboard label reviewRecord the equipment ID, calculated incident energy, working distance, boundary, label date, PPE note, and whether the task requires energized-work or shutdown planning.

MCC troubleshooting task noteKeep the bucket ID, door state, test instrument rating, working distance, shock boundary, incident-energy value, and qualified-person reviewer together before the task is planned.

Assumptions. Balanced load and line-to-line voltage assumptions behind this chart.

The worksheet documents a calculator or study result and does not create a complete arc-flash study.
Short-circuit data, clearing time, equipment configuration, maintenance condition, and operating mode can change the arc-flash result.

Code and standard notes. Planning limits that should be checked before final equipment selection.

Use this chart as a field record; verify NFPA 70E electrical safety practices, OSHA electrical safety obligations, IEEE study methods, equipment manufacturer data, adopted NEC installation context, owner procedures, AHJ expectations, and qualified-person review before field work.

How to use this chart

1Start with the study caseIdentify the exact equipment, operating mode, label date, and calculator or study result before writing PPE notes.

2Keep task context attachedRecord the task, work distance, boundary, and whether the work is planned de-energized or energized.

3Document qualified-person reviewUse the worksheet to list label, PPE, shock boundary, and work-control items that need qualified-person review.

Worksheet checklist. Record source basis, review gaps, and assumptions before using the chart result.

Capture result dataRecord incident energy, working distance, arc-flash boundary, equipment label ID, and study or calculator date.
Capture task dataDocument task type, exposure location, PPE note, approach boundary notes, and energized-work controls.
Capture review itemsList missing study data, outdated labels, equipment condition concerns, and owner or AHJ follow-up.

Common mistakes to avoid. Review these before turning chart current into an equipment decision.

Using an incident-energy value without confirming that the working distance and equipment case match the task.
Treating a calculator screen as a complete arc-flash study or field work authorization.
Copying a PPE note from a nearby label without checking study date, equipment mode, clearing time, and task exposure.

Frequently asked questions

These answers explain how to use the chart without turning a quick reference into a final design decision.

Can this worksheet replace an arc-flash study?

No. It records the calculator result and the data that need review. A qualified person must verify the study basis, labels, PPE selection, and work procedure.

Why record working distance with incident energy?

Incident energy is tied to a working distance. Recording both helps prevent comparing results from different study assumptions.