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.” ...

The power supply on a computer transforms the alternating current from the wall outlet into a direct current flow that the computer's components can use. Testing the DC voltage output of the power ...

The power supply in your computer manages all of the power required to run each component of your computer. When this critical component begins to fail, your computer may power off unexpectedly, ...

If you’d like to fix or even diagnose anything involving electricity – whether it’s the energy that surges through a car, ...

Before we go forward and run some of the tests that we are going to see hereinafter, let us check a few of the symptoms to understand if those tests are worth doing. We have mentioned some symptoms ...

When your car doesn’t start, often a low or dead battery is the culprit. Unfortunately, most vehicle owners do not check their battery until it fails. As preventative maintenance, the suggested best ...

We may receive a commission on purchases made from links. Electrical diagnostic work is one of the most challenging parts of automotive repair. It can be incredibly daunting for beginners or DIY ...

Let's start with DC voltage, one of the simplest and most-used multimeter measurements. The DC voltage measurement is used to determine the difference in electrical potential between two points in a ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? A digital multimeter is an indispensable tool for testing, diagnosing, and ...

My stepfather wired my basement and I'm installing the outlets (eg. placing the wire on the outlet itself), but I'm not sure which circuit breakers to turn off.<BR><BR>How can I tell if a power line ...

Your MacBook isn’t charging right and you can’t figure it where the problem is? Plugable’s USBC-VAmeter3 can help. Connect it to the power cable running to your Mac, iPad or iPhone to see the voltage, ...