Harold, I would lean toward the 210.52 side, no matter how many months this is habitable space. What? we don't care about summer only hazards? The intent is not to have extension cords strung about the place.
I might give a guy a break if he had a place in his cabana, virtually impossible to get a wire to but he better have one as close as he can get.
I had my elecrical plan done before my structurals but I am an electrical inspector.
"Here are my outlets, build walls around them"
