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Two Inch Electrical (53) Conduit Dimensions

Two Inch 2″ is the trade size, not the actual dimension of electrical conduit.  Fifty Three  53 is the metric designator not the actual dimension in millimeters.  The dimensions for various types of 2″ electrical conduits are below.  The information was derived from several sources and should not be considered precise.  Dimensions may vary slightly between manufacturers.  NOTE: Text links below go to products on Amazon. Two Inch Electrical Conduit Dimensions 2″ (53) Electrical Metallic Tubing (EMT or Thinwall) is a smooth lightweight galvanized metal conduit that has an inside diameter of 2.067" or 52.50mm.  The outside diameter is 2.197" or 55.8mm.  The wall thickness of 2″ EMT is .065" or 1.65mm.  100 feet of 2" EMT weighs approximately 148 pounds or 67.1 kilograms.  It requires a 2.5" hole for the conduit fittings.  A tap needs a 2 7/32" hole.  Threads per inch for the fittings is 11.5 NPT. 2″ (53) Rigid Metal Conduit (RMC) is a heavy weight conduit with a galvanized finish throughout.  It has factory threads with a 3/4″ per foot taper,  threads per inch 11.5 NPT.  100′ of 2" RMC weighs approximately 350 pounds or 158.7 kilograms.  It has an inside diameter of 2.067" or 52.50mm  It has an outside diameter of 2.375″ or 60.3mm.  The wall thickness is .146″ or 3.70mm.  2" Rigid requires a 2.5" hole for the conduit and fittings.  A tap needs a 2 7/32" hole. 2″ (53) Intermediate Metal Conduit (IMC) is a lighter weight version of RMC.  It has a galvanized finish inside and out and can be used in many of the same environments as RMC.  It has factory threads with a 3/4″ per foot taper, and 11.5 threads per inch NPT.  It also utilizes the same couplings and fittings as RMC.  100 feet of 2" IMC weighs approximately 256 pounds or 116.1 kilograms.  2" IMC has an inside diameter of 2.170" or 54.6mm.  It has an outside diameter of 2.36″ or 59.9mm.  The wall thickness is .105″ or 2.67mm. 2″ (53) Flexible Metal Conduit (FMC or Greenfield) is a galvanized finished flexible metal electrical conduit composed of a continuously formed interlocking metal strip.  100 feet of 2" Reduced Wall Steel Greenfield weighs approximately 133 pounds (60.33  kilograms).  Reduced Wall 2" Aluminum FMC weighs 40 pounds or 18.14368 kilograms.  2" FMC has a minimum inside diameter of 2.000" or 50.8mm and a maximum inside diameter of 2.080″ or 52.832mm.  It has a minimum outside diameter of 2.350″ or 59.69mm and a maximum outside diameter of 2.450″ or 62.23mm.  The minimum bending radius is 12 inches or 304.8mm.  2" Flex requires a 2.5" hole for the conduit fittings.  A tap needs a 2 7/32" hole.  Threads per inch for the fittings is 11.5 NPT. 2″ (53) Rigid Polyvinyl Chloride Conduit (PVC) schedule 40 is a nonmetallic, non-conductive electrical conduit that is good to use indoors and outdoors, or underground.  It has some flexibility with an inside diameter of 2.067″ or 52.5018mm.  It has an outside diameter of 2.375″ or 60.325mm.  The wall thickness is .154″...