220 ILCS 30/3.10

"Normal service connection point" means that point on a customer's premises where an electric connection to serve such premises would be made in accordance with accepted engineering practices. In the case of an incorporated municipality which is a customer, "normal service connection point" means that point within the corporate limits of the municipality where an electric connection to serve that municipality would be made in accordance with accepted engineering practices, or, if such connection is to be made outside the corporate limits, that point where the line from such connection crosses the corporate limits.