definition of galvanized conduit
Galvanized Rigid Steel Conduit (GRC, RMC) Galvanized Rigid Steel Conduit (GRC, RMC) is the heaviest weight and thickest wall of electrical conduits. Allied Tube & ConduitÂ®âs Galvanized Rigid Steel Conduit is hot-dip galvanized for corrosion resistance and is considered non-combustible. Galvanized Rigid Steel Conduit (GRC, RMC) can be used indoors, outdoors, underground, concealed or exposed.