The 2020 NEC now recognizes that GFCI protection for mobile and manufactured homes must be equal to that of stick-built and modular type dwellings. Construction Codes, in general, have always been less restrictive for mobile-type dwellings. This may be because mobile homes are often titled with the Motor Vehicle Department, and this type of housing is built, inspected, tested, and listed off-site at a manufacturing plant.
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