Sec.210.8(B)(7),(B)(13), and (B)(15) in the 2023 edition] it is pretty clear on how we should be measuring the 6 ft distance when it comes to receptacle placement and whether GFCI protection would be ...
(1) Below permanent moisture level. If practicable, pipe electrodes must be embedded below the permanent moisture level and be free from nonconductive coatings such as paint or enamel. Exception: A ...