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Electrician1001

Panel and Service Size Estimator

NEC 220 style demand estimate for residential services.

Inputs

Inputs and assumptions

Floor area times 3 VA per sq ft.

Nameplate sum of fixed appliances.

Largest of heating or cooling.

Result

Estimated demand
Waiting for calculation.
Service current at 240V
Waiting for calculation.
Screening tool. Verify against the NEC as adopted locally, the AHJ, nameplate data, and metered conditions before acting.

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Workspace

Keep the assumptions with the result.

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