Section PSC 113.0901 - Testing of metering installations-general requirements(1) The test of any unit of metering equipment shall consist of a comparison of its accuracy with a standard of known accuracy by a qualified person. Units not properly connected or not meeting the accuracy or other requirements of ss. PSC 113.0811, 113.0812 and at 113.0813 the time of test shall be reconnected and/or rebuilt to meet such requirements and adjusted to within the required accuracy and as close to 100% accurate as practicable or their use discontinued.(2) Each unit of metering equipment shall be inspected for mechanical and electrical faults whenever the accuracy of the device is checked.(3) Each meter tested shall have the register and the internal connections checked before the meter is first placed in service and whenever the meter is repaired.(4) Each meter shall have the connections to the customer's circuits, the disc rotation and any multiplier checked when the meter is installed or removed or an instrument transformer is changed.(5) Polyphase meters shall be tested for accuracy at 50% power factor before first being used for measuring customer's service either by a test of each meter or by a sample test plan approved under s. PSC 113.0911(1) (a).(6) The connections, phase sequence and multiplier of polyphase transformer-rated metering installations shall be checked for error by qualified personnel within 60 days after the meter is installed.(7) Special control devices, switches, etc., for time-of-use service shall be checked for proper operation whenever the associated meter is tested.Wis. Admin. Code Public Service Commission PSC 113.0901
CR Register, July, 2000, No. 535, eff. 8-1-00.