Given: 4 copper type THHN conductors as follows: 2 size # 1 AWG, 1 size 1/0 AWG, 1 size 2/0 AWG. These 4 conductors are in a 10′ conduit, the size of the IMC conduit must be at least:

Given: 4 copper type THHN conductors as follows: 2 size # 1 AWG, 1 size 1/0 AWG, 1 size 2/0 AWG. These 4 conductors are in a 10′ conduit, the size of the IMC conduit must be at least: