[Dennis Alwon]

Arc Fault breakers are supposed to protect the wiring within the walls as well as anything externally connected. It provided both parallel and series faults.

 

[Dennis Alwon]

Then I ask...why are some areas excluded? A specific example would be outside receptacles.

I think they were always planning to phase it in. I think bath areas are not in because they don't want people to be in a shower and have the lights go off on them. Just a guess. Perhaps someday they will also be included. Not sure why unfinished basement areas are excluded but I bet they won't be soon.