Reference boundary

Dimensional reference only. Product series, wall type, fittings, support spacing, and manufacturer data govern actual use.

Reference table

Reference common rigid PVC conduit trade-size labels, metric designators, and rounded dimensional planning values.

Reference basis uses common rigid PVC conduit trade-size and metric designator dimensional conventions.
Trade sizeMetric designatorNominal ID (mm)Nominal OD (mm)Area from nominal ID (mm2)Boundary
1/2 in1616.121.3204Rigid PVC dimensional reference only; product data governs exact dimensions
3/4 in2121.426.7360Rigid PVC dimensional reference only; product data governs exact dimensions
1 in2727.333.4585Rigid PVC dimensional reference only; product data governs exact dimensions
1-1/4 in3536.142.21024Rigid PVC dimensional reference only; product data governs exact dimensions
1-1/2 in4141.848.31372Rigid PVC dimensional reference only; product data governs exact dimensions
2 in5353.460.32240Rigid PVC dimensional reference only; product data governs exact dimensions
2-1/2 in6363.8733197Rigid PVC dimensional reference only; product data governs exact dimensions
3 in7878.988.94889Rigid PVC dimensional reference only; product data governs exact dimensions
4 in103103.4114.38397Rigid PVC dimensional reference only; product data governs exact dimensions
Use notes
  • Use this table for preliminary reference and arithmetic checks only.
  • Confirm equipment ratings, product markings, installation conditions, utility requirements, and the local authority requirements before design or field use.