(Figure) (1) Wiring Methods. Metal raceways, Type AC cable, and Type MC cable without a nonmetallic cover, electrical metallic tubing, intermediate metal conduit, rigid metal conduit, flexible metal ...

What wiring methods does the NEC allow above ... cable without a nonmetallic cover, and flexible metal conduit (FMC) can be installed in a cavity plenum space. If accessible, surface metal raceways or ...