Various Types of Circuit Breakers Definition: A Circuit Breaker “Opens” or disconnects an electrical circuit when certain conditions are met. History The first circuit breakers, called fuses,  were developed as a result of house fires. Actually, many current building codes were created to reduce the occurrence of fires, or to help prevent death due to fires […]

Arc Fault Circuit Interrupters Arc Fault Circuit Interrupters (AFCIs) are special types of electrical outlets and circuit breakers designed to detect and respond to potentially dangerous electrical arcs in home branch wiring. How do they work?   AFCIs function by monitoring the electrical waveform and promptly opening (interrupting) the circuit they serve if they detect […]