NFPA 1221 5.5.2 states where installed in buildings, conductors and fiber optic cables shall be installed in accordance with NFPA 70 in anyone of the following wiring methods
electrical metallic tubing
intermediate metal conduit
rigid metal conduit
surface metal raceways
reinforced thermosetting resin conduit
is this talking about the power coming to the booster or the wiring for the antenna system?