RBM wrote:
The size the utility company uses, has no bearing on the size the
electrician uses at your house. Chances are it's an old service with
hard drawn #6 copper, and the house has a 100 amp service. I've
connected 2/0 copper to #6 from the utility company for a 200 amp
service. They play by different rules

Interesting; thank you. So in your example what happens if you actually
pull 200A, significant voltage drop?