All Charts (Beta)



This App is designed for electrical engineers & electricians who are in the construction industry.

This App has 5 sections

Conduit Fill:
Calculates the percentage fill for mixed THHN insulated copper conductors in various types of conduits.

Voltage Drop:
Calculates the voltage drop for single & three phase systems with power factor (Unity & Lagging)

AC Motor full load current finder:
Helps you quickly find AC motor full load currents from NEC tables:430.248, 430.250

Cable support table

Elbow dimensions

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by Arafat