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Summit Electric Supply

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Summit's Voltage Drop Calculator allows you to quickly calculate and share voltage drop for a selected conductor size and type based on the 2014 NEC. This simple and easy-to-use calculator delivers professional results for any size job or project. Simply select your conductor then enter your voltage, amperage, phase, distance, and number of runs to determine the new voltage and percentage dropped. You’ll get instant results for each calculation that includes the formula used as well as detailed technical information.

A visual graph also shows the drop in voltage over your entire distance and displays where allowable percentages are so you can make quick adjustments. At the press of a button, you can view and share technical information for every calculation.


Voltage Drop Calculator

Ancienne Version de Voltage Drop Calculator