In a perfect world, electrical insulation would allow no current to flow through it. Unfortunately, several factors can — and will — result in the deterioration and ultimate failure of electrical ...

Be careful with single-phase motors, as most single-phase motors have components to help them start or continue to run ...

In a perfect world, all the electrical current sent along a conductive wire would reach its intended destination. However, in the real world some of it is lost along the way for various reasons. Wires ...

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.

In the first part of this series on the highs and lows of resistance measurements, I discussed the basic principles for making two- and 4-wire resistance measurements for measuring resistances of less ...

While it's often best to call an electrician if you suspect you have a dangerous electrical issue, you can also safely diagnose many of those problems yourself with a multimeter, which is why it's ...

The first part of this three-part series explores why special electronic loads are needed, delving into their electrical characteristics and their role in power-supply test. Part 1 of this series ...

Measuring the individual cell voltage with a multimeter requires disassembling the battery pack, which is difficult for ...