Re: Finished basement
I thought the presence of water was what began the safety issues requiring GFI's. In a utility room, regardless of the flooring in question, there are dangers present; water heaters leak, etc.
People power-wash their garages, spill antifreeze, etc. Basements fill during a flood--perhaps that is a compelling reason to remove the "habitable room" from 210.8(5).
Concrete houses are catching on around here, slowly. I've seen cast earth houses. All the exterior walls, and perhaps some interior walls are concrete or cast earth. I don't see protecting a whole house as a reasonable requirement, unless it doesn't have a roof!
I'm on the fence. I think, as it stands now, the AHJ makes the final determination about the status of an area. This system seems to work, IMO. Thoughts?