Nec Conduit Raceway: EMT
NEC Chapter 9 conduit and raceway dimensions — internal diameter, total area, and fill areas for EMT, RMC, IMC, PVC conduit types
| conduit type | trade size in | area 1 wire pct53 in2 (in2) | area 2 wires pct31 in2 (in2) | area over2 wires pct40 in2 (in2) | internal diameter in (in) | total area in2 (in2) |
|---|---|---|---|---|---|---|
| EMT | 1 | 0.458 | 0.268 | 0.346 | 1.049 | 0.864 |
| EMT | 1-1/2 | 1.079 | 0.631 | 0.814 | 1.61 | 2.036 |
| EMT | 1-1/4 | 0.793 | 0.464 | 0.598 | 1.38 | 1.496 |
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