Earlier quoted context omitted.
Except for places that have not adopted the NEC, which are numerous and not at all difficult to find. Some places have not broadly adopted the NEC at all. For instance: In Ohio, NEC adoption is handled at a more-local level, and many places simply have never handled that at all. My point is that things like the National Electrical Code simply aren't "national" at all. Regardless of how it is named, it is a privately-…
the link is literally map showing where nec is adopted
What is it that you are hoping to add to this conversation?