1. (1) Meter Adjustments - Demand meters must be adjusted to meet the following accuracy requirements before installation and after periodic or any other test.

   1. (a) Solid State Meters:

      1. 1. Electrical Element - Error shall not exceed 2 percent of full scale rating.
      2. 2. Timing Element (rate) - 0.25 percent.

   2. (b) Integrated-Demand Meters:

      1. 1. Electrical Element - Tolerance specified in 770-X-3-.04 for service watt-hour meters.
      2. 2. Timing Element Where the timing element serves only to measure the demand interval, it should be adjusted if its rate is more than plus or minus 2 percent in error. Where the timing element serves also to keep a record of the time of day at which the demand occurs, it should be adjusted if its average rate is more than plus or minus 0.25 percent in error.

Author: Alabama Public Service Commission

Statutory Authority: Code of Ala. 1975, §§37-1-32, 37-1-38, 37-1-53.

History: Effective January 1968. Amended October 1988. Amended November 2003. Filed with LRS February 5, 2013. Filed for Codification in the Alabama Administrative Code by the Alabama Public Service Commission on February 5, 2013, pursuant to Code of Ala. 1975, §41-22-7.