It's a must-have for any toolbox—but there's a learning curve involved. Learn how to use a multimeter for all of your electrical testing needs.

Safety Considerations. When I got my first multimeter, I was very excited to start using it. I took a quick glance at the owner's manual and then proceeded to stick the multimeter's probes into ...

Switch the multimeter to measure resistance at its lowest setting, and test across the fuse. A reading of OL, or significantly higher than 20 ohms, suggests the fuse is blown. Use a Multimeter To ...

While using a digital multimeter to diagnose electrical problems on customers’ equipment, I frequently hear the comment, “I’ve got one of those multimeter things, but I never learned how to ...

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