PPE Category 0–4 Selector (NFPA 70E)

Pick the NFPA 70E PPE category for any arc flash task.

NFPA 70E PPE Category Reference

Reading panel meter (no removal of cover)Cat 0N/A
Circuit breaker operation with covers onCat 0N/A
Removing panel covers for inspectionCat 14 cal/cm²
Working on energized MCC bucketsCat 28 cal/cm²
Racking a 480 V breakerCat 325 cal/cm²
480 V work with exposed live partsCat 440 cal/cm²

About this tool

Worked-example list of common tasks (panel work, MCC inspection, racking) mapped to PPE Category 0–4 with calorie and arc rating targets. Targets r/electricians and r/SafetyEngineering recurring 'PPE category 2 or 3' threads.

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