On This Page ToggleWhy Do Breakers Trip?How To Reset a Tripped Circuit BreakerFAQ What would we do without circuit breakers?

Arc-fault circuit interrupters (AFCI) are special circuit breakers that listen for this noise in the power line and trip when they hear it. The problem is that they can be so sensitive that they ...

We've now tripped the so-called circuit breakers two times in four days. On Monday, March 9, the S&P 500 fell 7% within minutes of the open, triggering a market-wide trading halt for the first ...