Information referenced from tables C1, C4, and C8 in the National Electric Code of 2008.

Combination of Table C10 (PVC Schedule 40) and Table C9 (PVC Schedule 80) Based on Table 1 Chapter 9 of the 2005 National Electric Code.

Flexible Metal Conduit table based on Table 1 Chapter 9 of the 2005 National Electric Code.

Liquidtight Flexible Metal Conduit table based on Table 1 Chapter 9 of the 2005 National Electric Code.