Whether you're replacing an old circuit breaker or adding a section to safely power a new appliance, here is an idea of how much it will cost you.

Most places you live in today will manage their electrical power via circuit breakers, though fuse boxes predated that technology in the early 20th century.

The “circuit breaker” system calls for a 10-minute pause in trading when the widely traded Nikkei 225 futures product is poised to rise or fall more than 8%.

DC Comics added to its growing pantheon of progressive characters by recently unveiling "Circuit Breaker," a superhero who has he/they pronouns.

There hasn't been a marketwide circuit breaker since. The S&P 500 doesn't appear to be in danger of tripping a marketwide circuit breaker in early afternoon trade but remains sharply lower on the day.

While this certainly feels like a significant decline, the index would have to drop to 5,018.76 to trigger the first circuit breaker. So it still has some way to go.

Understanding Circuit Breaker Markings What you don’t know about circuit breaker markings can trip you up. Most of us pay little attention to markings on circuit breakers. Yet, these markings can be ...

Watch this level for a circuit-breaker to be triggered. Photo: Getty Images/iStockphoto The market sell-off tied to President Trump’s “reciprocal” tariffs entered a second day on April 4.