31. Nominal Voltage and Phase Balance
31.1 All Electric Service provided by the PUD shall be in the form of sixty (60)-hertz alternating current.
31.2 The availability of phases and service voltage for the Customer shall be determined by the PUD before proceeding with the wiring or the installation of equipment.
31.3 The PUD will use its best efforts to maintain its delivery voltages within established standards of the industry.
31.4 The PUD requires that the current taken by each wire or phase of a service will be balanced within ten (10) percent of each other at maximum or near-maximum load.