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NEC 220 Residential Electrical Load Calculator

Single-family dwelling service load per NEC Article 220 — Standard Method (Part III) or Optional Method (220.82) — with a recommended minimum service size.

AAJappsEngineering Calculation Report

NEC 220 Residential Electrical Load Calculator

NEC Article 220 Part III (Standard Method) / NEC 220.82 (Optional Method)

Generated

For preliminary engineering use only — always verify results against project-specific standards and a qualified engineer's review before use in a real design.

Method

V

General loads

sq ft

Fixed appliances

VA

Range & dryer

kW
VA

HVAC

VA
VA

EV charger

Demand load & service size

General loads (before demand)10500 VA
General loads (after demand)5625 VA
Fixed appliances4500 VA
Range8000 VA
Dryer5000 VA
HVAC10000 VA
Total demand load33125 VA
Demand current138.0 A
Recommended minimum service150 A