Determine the MINIMUM trade size electrical metallic tubing (EMT) required to enclose eight (8) size 6 AWG copper conductors with THHW insulation, when installed in a 50 foot conduit run. 1 ¼” Annex C, Table C.1 is to be applied where the EMT, more than 24 inches in length, encloses conductors of the same size, with the same type of insulation. When referring to the tables in Annex C, be careful to select the correct raceway and conductor insulation and size.