The 7the Ed' (2020) FBC & FFPC reference the 2017 NEC. However the Florida Building Code section 104.11 allows for alternative construction methods provided, "An alternative material, design or method of construction shall be approved where the building official finds that the proposed design is satisfactory and complies with the intent of the provisions of this code..." The decision is up to the AHJ to ensure the requirements contained in 104.11 have been met.