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.

Measuring tiny differences in high-voltage circuits usually requires specialized differential test probes, which are often expensive. Fortunately, it’s possible to build your own high-voltage probe ...

The global solar boom has introduced a new urgency around asset durability, performance, and risk. As utility-scale solar ...

Occasionally a design requires capacitors that are much closer to being identical in value to one another than the usual ...

If you're planning to increase your electrical load by adding a new major appliance, make sure your panel can handle it. Here's how.