Conduit Fill Calculator

Based on CEC 2024 Table 9 (conduit) and Table 10 (insulated conductor area), with Rule 12-910 fill limits. Select wire insulation, AWG/kcmil size, and conduit type.

Conductors

Pick insulation type (Table 10) and conductor size for each row.

Conduit / Tubing

Choose raceway type (Table 9) and trade size.