Intermediate Metal Conduit - IMC
Lighter and lower cost metal conduits.
Intermediate Metal Conduit - IMC - dimensions:
| Trade Size | Average Outside Diameter | Average Wall Thickness | Approx. Weight | ||||
|---|---|---|---|---|---|---|---|
| (in) | (mm) | (in) | (mm) | (in) | (mm) | (lbs/100 ft) | (kg/30 m) |
| 1/2 | 16 | 0.815 | 20.7 | 0.07 | 1.79 | 62 | 28 |
| 3/4 | 21 | 1.029 | 26.13 | 0.075 | 1.9 | 84 | 38 |
| 1 | 27 | 1.29 | 32.76 | 0.085 | 2.16 | 119 | 54 |
| 1 1/4 | 35 | 1.638 | 41.6 | 0.085 | 2.16 | 158 | 72 |
| 1 1/2 | 41 | 1.883 | 47.82 | 0.09 | 2.29 | 194 | 88 |
| 2 | 53 | 2.36 | 59.94 | 0.095 | 2.41 | 256 | 116 |
| 2 1/2 | 63 | 2.857 | 72.56 | 0.14 | 3.56 | 441 | 200 |
| 3 | 78 | 3.476 | 88.29 | 0.14 | 3.56 | 543 | 246 |
| 3 1/2 | 91 | 3.971 | 100.86 | 0.14 | 3.56 | 629 | 285 |
| 4 | 103 | 4.466 | 113.43 | 0.14 | 3.56 | 700 | 318 |
IMC is covered by Article 342 of the National Electric Code (NEC).
