Beckify Electrical Engineering Toolbox

Load Calculation Worksheet

Row-based NEC 220 feeder/service worksheet: lighting, receptacle, kitchen, HVAC, motor, and other loads with visible demand factors, phase amps, and a spare adder. Design aid — not a PE service calculation.

About this calculator

Use this free browser-based calculator to work through the relevant electrical inputs, review the result, and compare it with field conditions.

For design, installation, or safety decisions, verify assumptions against the applicable code edition, equipment documentation, and site requirements.

Open the interactive tool