Unlike a conventional circuit breaker, which detects overloads and short circuits, an arc fault circuit interrupter (AFCI) uses advanced electronic technology to sense different arcing conditions.

Circuit breakers, despite any techy magic happening beneath the surface, should be the most predictable things in the world.

Double-tapped circuit breakers are one of the most common electrical defects that home inspectors find. Everyone seems to sign off on this defect as a 'big deal', but I'm here to tell you it's not. It ...