Electricians and Electrical Engineers with this tool can quickly calculate and estimated voltage drop. The National Electrical Code requires a drop of 5%, based upon voltage, length, amperage this tools allows you to select the wire you need to meet the Electrician and Code requirements.

Graph of Percentage of Voltage Loss
Copper or Aluminum graph of wire capacity vs loads

Features
- Copper or Aluminum Wire
- American Wire Gauge Standard Wire Sizes
- North American Standard Voltages
- Easy Wire Selector

This Calculator is a voltage drop estimator that can be performed in one screen with simple data.