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.

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 use it.” ...

Testing your 240V circuit breaker panels is also important to ensure all of the wiring going into the individual breakers has not become loose or broken. “It’s also good to look at it and just make ...