Rigid metal conduit — RMC (ferrous metal). RMC is a listed threaded metal raceway of circular cross section with a coupling, which can be either a standard straight tapped conduit coupling or the integral type (Photo 1).Jun 19, 2013
Is rigid pipe explosion proof?
The threaded connections allow the burning gas to cool as it escapes so that any explosion would be confined to the inside of the conduit. This connection is not designed to prevent an explosion, full prevention is not possible but the possibility is mitigated.Apr 16, 2018
What are rigid fittings?
Allied Tube & Conduit® Rigid Fittings are zinc plated and made from steel, malleable iron and grey iron for long-lasting durability. Our Rigid Fittings, or often referred to as GRC or RMC, are used to join two lengths of conduit and couple conduit when it cannot be turned.