Free access shall at all proper hours be allowed to the employees of the city electric power system or any other person duly authorized by the director of the light department to any lot, premises or building containing any electrical appliance, motor or apparatus which interferes with any part of the city electric light, heat or power from the system, to examine the apparatus, the amount used, and the manner of using the electric current; and if any customer shall improperly use the current in any manner in violation of any rules and regulations for the control of the same and the provisions of this title, the electric current may be cut off from the customer. (Prior code § 8-5-1)