The requirements for connecting motors and electrical apparatus shall be as follows. Motors:
(A) The utility reserves the right to select the type of service to be supplied and shall be consulted before equipment is purchased or ordered by a customer, regarding the general characteristics of service, including those services having motors 5 H.P. and larger or where the aggregate load of smaller motors is more than 7-½ H.P.
(B) In general, 7-½ H.P. and larger motors will be three-phase and motors smaller than 7-½ H.P. may be single-phase. There may be, at the city’s sole discretion, exceptions to this rule.
(1) In outlying and residential areas where three-phase energy is not readily available, larger single phase motors may be permitted, but only with prior approval of the Superintendent of the Electrical Department.
(2) Where the customer is already using three phase energy, motors small than 7-½ H.P. may be added to the three phase service, upon notification to the city.
(3) Three phase service is not normally available for residential customers and is considered non-standard service.
(C) Motors and motorized equipment will generally be approved for use on the Municipal System only if the Total Locked Rotor current does not exceed an acceptable level, as determined by the Superintendent of the Electrical Department.
(D) If starting currents are objectionable and will cause interference on the Municipal System in the judgment of the Superintendent of the Electrical Department reduced voltage starting or such other methods as the Superintendent of the Electrical Department determines feasible, will be required to be furnished by the Customer.
(Ord. 624, passed 9-20-93; Am. Ord. 635A, passed 1-17-94)