The answer to 'how does fuse box work' is that a fuse box, also known as a circuit breaker panel, is the central electrical distribution point in a home. It receives electricity from the utility company and distributes it to the various circuits throughout the house. Each circuit has a fuse or circuit breaker that is designed to trip and cut off power if there is an electrical overload or short circuit, preventing fire and damage.
The fuse box contains multiple breakers or fuses, each one controlling a separate electrical circuit in the home. If a circuit becomes overloaded, the corresponding breaker or fuse will trip, cutting off power to that circuit to prevent an electrical fire. This protects the wiring and appliances connected to that circuit. To restore power, you simply reset the tripped breaker or replace the blown fuse.