13.15.050 Interference with service.
   A.   Customers who operate equipment which caused detrimental voltage fluctuations (such as, but not limited to, hoists, welders, radio transmitters, X-ray apparatus, elevator _motors, compressors, and furnaces) must reasonably limit such fluctuations upon request by the city. The customer will be required to pay for whatever corrective measures are necessary.
   B.   Any customer who superimposes a current of any frequency upon any part of his electrical system, other than the current supplied by the city, shall, at his expense, prevent the transmission of such current beyond his electrical system.
(Ord. 588, 1991).