We pulled 2 x 2/0 aluminum, 1 x #1 aluminum, and a copper (can't remember the gauge) through ~180 ft of 2" conduit, with 3 x 90 degree angles. I hated every minute of it. 2-3 big bottles of lube, lots of grunting, and lots of breaks. If I were to do it all over again I would have used 3"...