Conduit fill calculator
conduit_fillRead-onlyIdempotent
Percent fill and maximum number of THHN/THWN-2 conductors of one size in EMT or PVC Schedule 40, from NEC Chapter 9 Tables 1, 4 and 5.
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| awg | Yes | THHN/THWN-2 size. "1" = 1 AWG; "2" = 2 AWG; "3" = 3 AWG; "4" = 4 AWG; "6" = 6 AWG; "8" = 8 AWG; "10" = 10 AWG; "12" = 12 AWG; "14" = 14 AWG; "1/0" = 1/0 AWG; "2/0" = 2/0 AWG; "3/0" = 3/0 AWG; "4/0" = 4/0 AWG. | 12 |
| size | Yes | Trade size. "1" = 1"; "2" = 2"; "3" = 3"; "4" = 4"; "1/2" = 1/2"; "3/4" = 3/4"; "1-1/4" = 1-1/4"; "1-1/2" = 1-1/2"; "2-1/2" = 2-1/2"; "3-1/2" = 3-1/2". | 3/4 |
| type | Yes | Conduit type. "EMT" = EMT; "PVC-40" = PVC Schedule 40. | EMT |
| count | Yes | Number of conductors. |
Output Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| ok | Yes | ||
| url | Yes | ||
| code | Yes | ||
| rows | Yes | ||
| table | No | ||
| inputs | Yes | ||
| summary | Yes |