When you need a multimeter for testing electrical equipment around the home, it's vital to know what all those symbols around the dial mean.

Using a multimeter can be daunting to the uninitiated, but they're not magic. Here's a rundown of the basic functions of the device and what they're used for.

Confirm your meter is set in continuity test mode (see step 2) and is switched on. Touch the black probe to the outside of the bulb's metal threaded end.

Had a Radio Shack continuity tester about 20 years ago. It had a nice feature that latched an LED when continuity was interrupted. Found a ton on intermittent cables with that device, but passed ...

The Cen-Tech 9-Function Digital Multimeter with Audible Continuity is the highest-rated offering and costs only $19.99. You might be surprised by its features, too.