Free NEC 220.84 Multifamily Load Calculator — Step-by-Step Feeder/Service Workflow

Get compliant results fast with our free NEC 22084 load calculator—an easy, step-by-step feeder/service workflow that guides you through every multifamily load calculation. Perfect for electricians and designers who want clear, code-accurate sizing without the guesswork.

Interactive Electrical Demand Factor Calculator — Apply Selectable Rules for Precise Load Sizing

Take the guesswork out of load sizing with our interactive demand factor calculator — apply selectable rules and see precise electrical load results in real time. Friendly controls and clear outputs help you compare scenarios and make code-compliant decisions fast.

Electrical Diversity Factor Planner: Accurately Size Multiple Load Groups in Minutes

The electrical diversity factor planner helps you size multiple load groups in minutes, cutting guesswork and saving time on every project. Intuitive and accurate, it’s the smart, reliable way for engineers and electricians to get fast load estimates.

Instant, Accurate Main Distribution Panel Bus Rating Calculator — Demand + Growth Margin

Quickly size your main distribution panel with confidence using our bus rating calculator that delivers instant, accurate results factoring demand and growth margin. Save time and avoid costly mistakes with clear, code-aware outputs you can trust.

Instant kVA Demand to Amps Converter — Select Service Voltage (1-Phase & 3-Phase)

Need instant kVA demand converted to amps? Our kVA to amps converter quickly calculates the amperage—just select your 1-phase or 3-phase service voltage for fast, accurate results.