Conduit Fill: 4 #8 THHN in 1-1/4" PVC Schedule 40
Underground 50-amp subpanel feed or large equipment circuit in PVC.
Results
Fill Percentage10.1%
Max Allowed40%
StatusPASS
Conductor Area0.1464sq in
Conduit Area1.453sq in
Need to adjust these values? Use the full calculator:
Open Full CalculatorRelated Calculations
Conduit Fill: 3 #12 THHN in 1/2" EMT
Common residential conduit fill calculation for three #12 THHN conductors in 1/2 inch EMT.
Conduit Fill: 3 #14 THHN in 1/2" EMT
Minimum conduit fill for three #14 THHN conductors in 1/2 inch EMT conduit.
Conduit Fill: 4 #12 THHN in 3/4" EMT
Standard conduit fill for four #12 THHN conductors in 3/4 inch EMT.
Conduit Fill: 6 #12 THHN in 3/4" EMT
Multi-circuit conduit fill with six #12 THHN conductors in 3/4 inch EMT.
Conduit Fill: 9 #12 THHN in 1" EMT
Large bundle of nine #12 THHN conductors in 1 inch EMT conduit.
Conduit Fill: 7 #10 THHN in 1" EMT
Larger wire bundle with seven #10 THHN conductors in 1 inch EMT.