Dimensions of PVC Conduit for Electrical
Installations
Nominal
Size |
Outside
Diameter |
Tolerance
on outside dia |
Inside
diameter min |
Light |
Medium |
Heavy |
16 mm |
16 mm |
-0.3 |
13.7 |
13.0 |
12.2 |
20 mm |
20 mm |
-0.3 |
17.4 |
16.9 |
15.8 |
25 mm |
25 mm |
-0.4 |
22.1 |
21.4 |
20.6 |
32 mm |
32 mm |
-0.4 |
28.6 |
27.8 |
26.6 |
40 mm |
40 mm |
-0.4 |
35.8 |
35.4 |
34.4 |
50 mm |
50 mm |
-0.5 |
45.1 |
44.3 |
43.2 |
63 mm |
63 mm |
-0.6 |
57.0 |
- |
- |
|
•
All dimensions
are in millimeter
|