In this section, “meter” or “meters” may refer to metering system(s).
(1) Meters used with instrument transformers on single-phase service, together with associated equipment such as demand equipment, control devices, etc., shall be tested on the customer’s premises, a central testing facility or in a mobile test facility, except pars. (a) and (d), for accuracy at unity power factor under the following circumstances:
- (a) Before being placed in service. For new meters given a prior test by the manufacturer, the manufacturer’s certified test results may be substituted for this requirement.
- (b) When they are suspected of being inaccurate or damaged.
- (c) When the accuracy is questioned by a customer. (See s. PSC 113.0922.)
- (d) When they are removed from service.
- (e) Within a period of 6 months before or 6 months after 8 years of service for non-surge-proof and 12 years for surge-proof meters. Exception: Lagged-demand meters shall be tested every 8 years. Electronic (solid state) meters may be tested instead in accordance with the plan outlined in s. PSC 113.0921.
- (2) Meters equipped with electronic programmable registers may be shop tested on a periodic basis.
History
History: Cr. Register, July, 2000, No. 535, eff. 8-1-00; CR 02-027: am. (1) (intro.) and (a), Register December 2002 No. 564, eff. 1-1-03.