switchgear sizing

Quickly Calculate Electrical Disconnect Switch Size from Load Current — Standard Sizes

Need the right disconnect switch size fast? This quick guide walks you through calculating it from load current and matching the result to standard, off-the-shelf options.

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.