Circuit Wizard

Blue Sea Systems

About this app

Circuit Wizard is designed to help electricians and enthusiasts determine wire sizing and circuit protection for electrical installations based upon rules provided by ABYC (American Boat and Yacht Council) and Blue Sea Systems.

Based upon the popular web application located at http://circuitwizard.bluesea.com/ this version is designed to run completely offline for use in situations where an internet connection is unavailable.

We hope you find this tool useful and please let us know of any comments, concerns or recommendations by emailing [e-mail]

Ratings and reviews

Great way to quick-calculate different load and wiring scenarios. This offline calculator is a must for boaters. To Blue Sea Systems: If you ever do an update, please add a cross section table for each gauge wire, at least in mm2. That would totally round out this offline app for me. Currently, I use another PDF chart.

doesn't work on pixel 3, but works on pixel 5 and 6. Great for calculating wire gauge. Continues load would be a nice option for duration.

This is a very useful, time-saving app. Settings allows an easy switch between imperial and metric units Once appropriate circuit elements are id'ed using the app, it's easy to find a wire, fuse, or breaker, etc supplier appropriate for a diy'er or professional.

What’s new

Android 9+ compatibility fixes