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.

Best Multimeter for 2022 While it's often best to call an electrician if you suspect you have a dangerous electrical issue, you can also safely diagnose many of those problems yourself with a ...

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