Two different technologies protect against two different types of hazard. Ground fault circuit interrupter (GFCI) devices protect people from shock by opening a circuit at a low threshold of leakage ...
What is ground-fault protection? The answer depends on whether you are talking about ground-fault protection of equipment or ground-fault protection of people. Just because ground-fault protection is ...
Circuit breakers, despite any techy magic happening beneath the surface, should be the most predictable things in the world.