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 ...

“Check engine,” “oil level low,” “service engine soon.” These are all dashboard symbols us drivers are familiar with and have previously dreaded when they’re blinking in our faces after we’re already ...