Circuit Breaker and Fuse explained | Which is best? Circuit breakers and fuses are use to cut off the electricity flow and to protect the circuit from overheating. If your circuit breakers are constantly tripping, then you need to find the cause behind it. Well, there are three main reasons why circuit breaker trips and fuses blow: Overloaded Circuit; Short circuit; Ground fault Breaker Box Fuses In Pool - 3a43000801 Breaker Box Fuses In Pool. 2000 daewoo nubira fuse box 2000 chrysler town and country wiring diagram 2000 dodge durango engine wiring diagram 2000 chrysler grand voyager repair manuals 2000 chrysler lhs fuse box 2000 chevy s10 pickup radio wiring diagram 2000 dodge dakota stereo wiring 2000 chevrolet impala stereo wiring diagram.