Voltagedrop 1.0 that could have been downloaded from our website for free. This free software is a product of Mike Holt Enterprises. The following version: 1.0 was the most frequently downloaded one by the program users. The program is included in Office Tools. Our built-in antivirus checked this download and rated it as 100% safe.
From the developer:
The answers given by this voltage drop program only apply to conductor sizing to limit the voltage drop to a specific value. The actual conductor recommended by the voltage drop program might not be the sized required by the NEC for continuous loads, motor loads, terminal rating, ambient temperature, conductor bundling, etc
You may want to check out more software, such as Voltage Drop Calculator, which might be similar to Voltagedrop.