For my new house construction I would like to have an outside temporary breaker box. The house will be feed by a 200 amp service with 4/0 underground cable. 200 amp outside breaker boxes are expensive. I only need a 50-100 amp breaker box during construction; however, I cannot attach 4/0 cable to these smaller breaker boxes, they wont handle cable that big. Is there anyway to setup a smaller breaker box with this size cable?