E.F.U.S. is a collection of twenty four calculators and utilities designed for the electrical professional. Using an easy to navigate tabbed dialog interface E.F.U.S. provides a host of powerful and useful features, including:

A full suite of ohms law calculators for DC & single and multi phase AC.
Voltage drop calculator.
Conduit fill calculator.
Expanded conduit types for fill calculator (9 new types)

Box fill calculator.
Redesigned grounding conductor calculator
Motor heater and motor conductor sizing.
Multiple conductor ampacity calculator.
Transformer amperage calculator.
Motor amperage and horsepower calculator.
Formatted printing for selected functions.
Print screen function.
Based on NEC data.
Programmed entirely in C and C++ for speed and efficiency.
Conversion tab for metric and mils calculations.
Independent history window for calculation comparisons. New!
Save calculations to disk as text files.
Histories tab allows quick reference of previous calculations.