Electrician Dad Teaches his Son about GFCI Breakers, and how it saves your life, Thoughts?

This device protects your life. This device protects the wire. Why would a GFCI breaker require this pigtail? How would you wire that? Explain that to me. So, I wire this GFCI circuit breaker by first putting it in the panel, and then I would install this pigtail on the neutral bar. >> Okay, but why though? Why do you do that? Do you know the fundamental reason why? I actually don't. We talked about GFCI receptacles. So, this device needs to monitor and be able to trip off in 20 milliseconds a fault that's 4 milliamps or greater. If I were to say I'm in the shower and I try to change that light bulb and I spin the light bulb and start to get shocked, it'll see that, "Hey, 1 amp plus this erratic loss, something's wrong." It'll trip off and save my life or your life. Wow. >> That's what it does. Now, this device protects your life. This device protects the wire. >> Wow. >> Okay? Circuit breakers only protect the wire. That's it, right? It's up to you to make sure the load is right. If you put on too skinny of a wire on this breaker, that's your fault, right? That's your flyer. But, if you put the right size wire on here, this is designed to run in continuum. This protects life. >> Yeah. It also protects the wire. It also has a circuit breaker feature. >> Yeah, so you got a test button on there. Yep.