I Used a Watt Meter to Save Money on My Electric Bill. It Was Weirdly Fun—and Enlightening.

For example, to get an accurate cost reading on a refrigerator, you’ll want to leave it connected to the meter for at least ...

We Put the Best Multimeters to the Test. Our Top Pick is Ideal for Both Beginners and Pros

Want to safely repair an electric appliance or simply test your home’s wiring? Get shopping tips as well as our top tool ...