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.

Electrical symbols are a graphical representation (also called a pictogram) used in electrical drawings and electrical schematic diagrams. Designed to identify a specific component, these symbols are ...

Electrical ladder drawings are still one of the common and reliable tools used to troubleshoot equipment when it fails. As with any good troubleshooting tool, one must be familiar with its basic ...