For all of you who have a multimeter thrown in a drawer or toolbox but don’t know how to use it, these instructions will help in your search for missing voltage.

An essential tool for testing light switches is a continuity tester. You also can use a multimeter by turning the dial to read “continuity.” ...

With this guide, you'll learn the ins and outs of troubleshooting your home and household electronics using a handy multimeter.