The commission shall regulate the construction, reconstruction, operation, and maintenance of all electrical supply lines and signal lines located in, under, or across the public highways or public places in this state, within and without the limits of incorporated cities, to the extent necessary to avoid or mitigate interference from electrical supply lines and for the purpose of avoiding or minimizing the hazard of injury to persons or property by reason of the close association or proximity of electrical supply lines to or with signal lines.
N.D.C.C. § 49-20-02