A: The ID for a 2" coupling is 2.22.
A: Model #12415
A: Doubtful. 3/4" pipe had and I.D of 3/4. This is made for 3/4" conduit which is much thinner wall than pipe so it probably won't fit. Go to home depot and try it in the store.
A: This can be used and the pipe won't spin.
A: The ID is .9488 in. (24.1 mm)
|Name||3/4 in. Standard Fitting Electric Metallic Tube (EMT) Set-Screw Coupling (5-Pack)||1/2 in. Electrical Metallic Tube (EMT) Compression Coupling (5-Pack)||3/4 in. Electrical Metallic Tube (EMT) 90° Large Radius Elbow||3/4 in. Electric Metallic Tube (EMT) Compression Coupling (5-Pack)|
|Trade Size (in.)||3/4||1/2||3/4||3/4|
|Material||Galvanized Steel||Galvanized Steel||Galvanized Steel||Galvanized Steel|
|View Product||View Product||View Product||View Product|