A multimeter might look intimidating, but learning to use this simple electrician's tool will come in handy during a number of every day tasks.

Researchers at Forschungszentrum Jülich, together with international collaborators, have demonstrated for the first time that ...

One customer at an auto shop had a power drain issue that caused her to replace her car battery three times in one year.

Begin by connecting pin 85 of the relay to a clean ground point on the vehicle chassis or the negative terminal of the ...

Battery cell voltage is the most fundamental measurement made on the cell. While on the surface measuring voltage seems easy, ...

October 2025Researchers at Forschungszentrum Jülich, together with international collaborators, have demonstrated for the ...

Lots of horror stories feature cars. There are the obvious ones, like Christine, and the cars that practically become a ...

If you're like me and love the charm of vintage lamps, you've probably wondered whether they're safe to use in modern homes.

One characteristic of adding PV solar to homes is a massive increase in high-voltage and high-current DC installations. With this comes a need for suitable breakers, but without the requisite ...

In a metal like copper, however, the outer electrons swim around freely and are shared by all the atoms. That’s why ...

Electromagnetic compatibility (EMC) testing ensures that electronic devices can function safely without causing or experiencing interference.

For our 2025 Component Abuse Challenge there have been a set of entries which merely use a component for a purpose it wasn’t quite intended, and another which push misuse of a part into ...