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.

To test for voltage, first determine whether the application you're testing uses AC or DC voltage. Then set the dial to the appropriate function: V_ for AC voltage or V for DC voltage. Like all test ...

In fact, it's our pick for the best general-purpose multimeter. This no-nonsense unit can measure AC and DC voltage, DC current, electrical resistance and even has a continuity meter.