It is fairly rare for the main circuit breaker to "trip," because usually, it is individual circuit breakers that trip long before there is a need for the main breaker to shut off.

Circuit breakers were triggered in Japan, South Korea and Taiwan's stock markets as they reacted to President Donald Trump 's sweeping tariffs on Monday, with U.S. markets opening the week sharply ...

It's already a wild session in the stock market, with futures tied to major indexes around the globe tanking. In Japan, the country's exchange operator briefly called a halt to trading in Nikkei ...

A plunge in U.S. markets on Monday triggered a 15-minute trading halt in stocks after the S&P 500 fell 7% shortly after the market opened.

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.