01 · Inputs
Nameplate numbers first.
Metered kWh, tariff rates, wattage, hours. No hidden estimates.
PanelCalc — panelcalculators.com
Forty NEC-based calculators that size power, wire, and protection as one system: load and power, voltage drop, motors and protection, 24V control power, heat, lighting, backup, and raceway. Every output labeled, every formula visible, every rule traceable to the NEC.
Method
01 · Inputs
Metered kWh, tariff rates, wattage, hours. No hidden estimates.
02 · Math
Bill, rate, payback, demand. Each with its formula.
03 · Verify
Tariff sheet, meter data, AHJ. Baselines are dated.
Calculators
Calculator
Branch current and fuse check per branch, total DC load, wire gauge adequacy and drop on the longest run. 6 inputs, 6 outputs with...
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Six load groups with simultaneity, inrush allowance, headroom, standard PSU, AC input and 24V bus current. 9 inputs, 7 outputs with grouped results.
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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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