Check voltage drop on any circuit run. Single-phase, three-phase, and DC with copper or aluminum conductors.

Determine minimum conductor size per NEC 310.16 ampacity tables with automatic voltage drop verification.

Calculate conduit fill percentage per NEC Chapter 9 tables. Supports EMT, IMC, RMC, PVC, and FMC with multiple wire types.

Calculate required box volume in cubic inches per NEC 314.16. Counts conductors, devices, clamps, and equipment grounds.

Single-family dwelling load calculation per NEC Article 220. Standard method (Part III) and optional method (Part IV).

Size standby generators with load management calculations and Generac model recommendations.

Complete circuit design from panel to last outlet. Combines feeder and branch voltage drop, wire sizing, derating, and EGC in one calculation.

Enter any two of voltage, current, resistance, or power and instantly calculate the rest. Quick reference for the field.

Calculate bending multipliers, shrink, and distances for offsets, saddles, kicks, and 90-degree bends. EMT, IMC, and RMC.