How do fuses and circuit breakers protect you home against electrical fires?

It must understand that, short circuit is the case when the electricity find a lower resistance path to travel through. It will result to large amount of electricity flow and with high current flow then it emitted heat and would be so hot that it start the fire. Preventing short circuit damage, it install the fuse or circuit breaker as the bottle neck. When too much of the current flow through then the circuit breaker stop the flow of current and prevent fire.