In order to avoid possible injury to yourself and damage to your multimeter, disconnect power to appliances and turn off circuits before conducting a resistance test.

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, ...

If you’re trying to trace a single signal, a precision pantograph might be your friend, or you can add a foot switch to your oscilloscope for quickly checking a circuit by hand.

Multimeters measure resistance by injecting a small current into the circuit, and then measuring the voltage drop across those points in the circuit.

Multimeters are indispensable tools when working on electronics. It’s almost impossible to build any but the most basic of circuits without one to test and troubleshoot potential issues, and … ...

Now that you've purchased your digital multimeter, you're ready for the next step: choosing the right accessories. A complement of accessories can enhance the versatility of the digital multimeter, ...

What’s the point of upgrading from the standard digital multimeter to a wireless box that works as an extension of your smartphone? There are several advantages, according to Mooshimeter’s makers.

Diagnose electrical problems by chasing voltage drops, instead of the old-fashioned way -- checking continuity. Including Mike Allen's Physics 101 introduction to Ohm's law.

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 ...

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