Wis. Admin. Code Public Service Commission PSC 113.0912

Current through October 28, 2024

Section PSC 113.0912 - Testing of self-contained polyphase meters

In this section, "meter" or "meters" may refer to metering system(s).

(1) Self-contained polyphase meters 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 and 50% 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) Within 60 days after 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: Thermal and mechanical 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) A stator balance test shall be performed on all new meters before being placed in service.

(3) Meters with electronic programmable registers may be shop tested on a periodic basis.

Wis. Admin. Code Public Service Commission PSC 113.0912

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.