this post was submitted on 02 Dec 2024
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We're Americans, we do things illogically here
In seriousness though, I'm not really sure. I would guess, like most things, money is the answer. The codebook we electricians use specifies what needs to be GFCI. You can always go above that, and make everything GFCI, but you don't have to. If you're bidding a job, you can estimate higher to have GFCI protected everything, but the customer is almost always going to go for the cheaper price, so why bother?
I am an electrician, but this is mostly my speculation and me talking out of my ass so uh... take it with a grain of salt.
Are not most other outlets required to be afci?
Yes, kitchens, family rooms, dining rooms living rooms, parlors, libraries, dens, bedrooms, sunrooms, recreation rooms, closets, halways, laundry areas, and "similar areas" all require AFCI protection for homes. A bathroom would be GFCI protected, but does not have to be AFCI protected. A kitchen will be both. A hallway will be AFCI protected, but does not have to be GFCI protected.
Edit: should also clarify that this is according to the most recent version of the codebook, 2023. So this list only applies to brand new homes in areas where the 2023 version has been adopted. It's likely it's the same or similar for previous iterations, but I'd have to look back through a lot of versions of the codebook to see so uh... eh