Is there a circuit breaker in your home that keeps tripping? It may need to be replaced. Fortunately, testing and replacing a breaker is something you can do.

The best way to avoid electrocution in the garage is to link your power tools to a circuit breaker. To help you choose the best circuit breaker, we review eight so you don’t have to.

Trading on the New York Stock Exchange was halted briefly Monday morning when the S&P 500 index fell 7%. Here's how these automatic circuit breakers work.

NARRATOR: That ice cream dispenser is out of control Frank! Let’s look at how it’s set up. We can see it’s a series circuit because everything is connected to one path. The power is coming ...