A multimeter and its test leads allow electrical workers to reach into an energized panel, touch live circuit components with the end of the test leads, and capture electrical readings like voltage, ...

Record the voltage that appears on your multimeter. If your power supply sticker shows a voltage of 135 volts, you should be seeing the same reading on the multimeter.

What is a multimeter anyway? Multimeters are covered in cryptic symbols and buttons, but don't let that intimidate you. There are three basic functions you'll use most often: measuring voltage ...

Testing the DC voltage output of the power supply using a digital multimeter can help you isolate any potential issues and determine if you have a bad power supply.

In this article, I’ll show you how to use a multimeter to troubleshoot some basic electronic components, such as resistors.