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Arc Flash Incident Energy Screening
First-pass incident energy and flash boundary from fault current, clearing time, and distance. 5 inputs, 3 outputs with grouped results.
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Raceway & Equipment calculators
Raceway and equipment: conduit fill, ampacity, fault current, transformers, and box fill.
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Cable Tray Fill Calculator
Tray fill per NEC 392: allowable area, cable area used, and the fill verdict. 5 inputs, 4 outputs with grouped results.
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Conduit Fill Calculator
NEC Chapter 9 fill with wire-area picker, conduit picker, derating hint and spare verdict. 4 inputs, 4 outputs with grouped results.
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Electrical Box Fill Calculator
NEC 314.16 fill from gauge-based allowance, conductors, devices, grounds, clamps, with verdict. 6 inputs, 4 outputs with grouped results.
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Fault Current Calculator
Infinite-bus fault current with impedance picker, kA result, AIC verdict and common breaker ratings. 4 inputs, 4 outputs with grouped results.
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Feeder Tap Rule Checker
NEC 240.21 tap screening: 10-ft and 25-ft rules from length, size ratio, and termination OCPD. 5 inputs, 3 outputs with grouped results.
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Panel SCCR Rating Check
Short-circuit current rating screening per NEC 409: weakest-link rating, series-tested combinations, and the available-fault verdict. 7 inputs, 5 outputs with grouped results.
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Point-to-Point Fault Current Calculator
Available Isc at a panel by the M-multiplier method. 4 inputs, 3 outputs.
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Pull Box Sizer
Minimum length per NEC 314.28 for straight and angle pulls. 3 inputs, 1 output.
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Transformer Sizing Calculator
FLA both sides, 125% protection hints each side and standard primary OCPD. 3 inputs, 4 outputs with grouped results.
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Wire Ampacity Calculator
Dataset ampacity with temperature-rating picker, bundling derate, continuous limit and gauge verdict. 4 inputs, 3 outputs with grouped results.
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Wireway Fill Calculator
Fill at 20% of cross-section per NEC 376.22 with verdict. 3 inputs, 3 outputs.
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