Also: Don't plug these 7 appliances (including space heaters) into extension cords - here's why There are three types of GFCI ...

One receptacle outlet slot is bigger than the other to keep you safe from a rogue wire in your hairdryer, vacuum or coffee ...

Short circuits happen when an electrical current takes a “shortcut” back to the electrical panel instead of feeding the load ...

These 65-year-old safety devices can be a source of inconvenience if you misuse them. They can also save your life.