I am installing a 320a cont double lug meter base. My plan is to run one set of 2/0 cu condutors to a 200a MB panel located just behind the meter base. The second set of 2/0 cu conductors will be ran to a 200A disco also behind meter base. From the disco I will run about 75' to a 2nd 200A MB panel located at the opposite end of the home. I guess my question is will a 4/0 AL ser cable be sufficient to feed the second panel as long as the calculated load doesnt exceed 180A. If so are there any thoughts or recommendations that would work better in this situation. This will take place in a finished basement with a drop ceiling. Thanks