What Causes a Breaker Box to Catch Fire? | Hunker Degraded components are faulty and will eventually cause sparking and possibly fire, according to K.I. Security Enterprises. Although an electrical breaker box is designed for safety, it is not entirely fireproof. Sparks inside the box can set it on fire, and the fire can spread throughout your home quickly. Breakers are simple to inspect. How to Wire a House Fuse Box | eHow How to Wire a House Fuse Box. Working with electricity can be a tricky process and requires a great deal of caution because of the potential danger involved. The proper wiring of a house fuse box is in itself a safety feature to prevent power surges and potential fire risks throughout your home. Wiring a house fuse box can be done with confidence..