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.

Unlike the last test you took in school, this one is fast and easy—and protects you from harm. An electrician explains how to ...

See? Good and evil. An RCD (or GFCI in the States) is a kind of circuit breaker that trips when the amount of current in the hot and neutral mains power lines aren’t equal and opposite ...