Indiana Administrative Code
Title 170 - INDIANA UTILITY REGULATORY COMMISSION
Article 4 - ELECTRIC UTILITIES
Rule 5 - Electric Submeters of Master Meter Accounts
Section 5-6 - Submeter testing equipment and facilities

(a) Qualified expert: Each owner shall provide or engage an independent qualified expert to provide such instruments and other equipment and facilities as may be necessary to make the submeter tests required by 170 IAC 4-5. Such equipment and facilities shall generally conform to ANSI C12.1-1982, prescribed by the commission, and shall be acceptable to the commission and shall be available at all reasonable times for the inspection by its authorized representatives.

(b) Portable standards: Each owner engaged in electrical submetering shall, unless specifically excused by the commission, provide portable test instruments or utilize a testing firm as necessary for testing billing submeters.

(c) Reference standards: Each owner shall provide or have access to suitable indicating electrical instruments as reference standards for insuring the accuracy of shop and portable instruments used for testing billing submeters.

(d) Testing of reference standards: Reference standards of all kinds shall be submitted once each year or on a scheduled basis approved by the commission to a standardizing laboratory of recognized standing for the purpose of testing and adjustment.

(e) Calibration of test equipment: All shop and portable instruments used for testing billing submeters shall be calibrated by comparing them with a reference standard at least annually. Test equipment shall at all times be accompanied by a certified calibration card signed by the proper authority, giving the date when it was last certified and adjusted. Records of certifications and calibrations shall be kept on file in the office of the owner.