The History of Circuit Breakers and Fuses  Thomas Edison patented both a circuit breaker and fuse. Edison patented the circuit breaker design in 1879, and Edison patented a fuse for his electrical distribution system in 1890. Over one hundred years later, both fuses and circuit breakers are still used to protect electrical wiring and equipment … Continue reading Circuit Breakers vs. Fuse Box: Everything You Need to Know in 2021