The residential load calculation worksheet calculates the electrical demand load in accordance with Article 220 of the 2011 National Electrical Code. The worksheet helps to provide an accurate, consistent, and simplified method of determining the minimum size electrical service for a new or existing dwelling looking to add additional electrical load.
DEMAND load takes into account various probabilities of simultaneous operation of electrical appliances and yielding a safe, efficient and cost effective electric service.
The Worksheet provides economic, as well as safety benefits. It helps to prevent oversizing service, which costs more money, and undersizing service, which is a safety/fire hazard.
Who Benefits from the Worksheet
The city, as well as residential architects, builders, homeowners, and electrical contractors can benefit from using the Residential Load Calculation Worksheet.
Download the Worksheet
The following file is a Microsoft Excel document. Please right click on the link and save the document to your computer.