Indiana Administrative Code
Title 170 - INDIANA UTILITY REGULATORY COMMISSION
Article 4 - ELECTRIC UTILITIES
Rule 5 - Electric Submeters of Master Meter Accounts
Section 5-7 - Submeter accuracy

Universal Citation: 170 IN Admin Code 5-7

Current through March 20, 2024

Authority: IC 8-1-1-3; IC 8-1-2-36.5

Affected: IC 8-1-2-36.5

Sec. 7.

Submeter Accuracy.

(a) Limits: No submeter that exceeds the test calibration limits for self-contained watt-hour meters as set by the ANSI C12.1-1982, shall be placed in service or left in service. All electric current transformers, potential transformers, or other such devices used in conjunction with submeters shall be considered part of the submeter and must also meet test calibrations and phase angle limits set by ANSI C12.1-1982 and ANSI/IEEE C57.13-1978 for revenue billing. Whenever on installation, inspection, periodic, or other tests, a submeter or transformer is found to exceed these limits, it shall be adjusted, repaired, or replaced.

(b) Adjustments: Submeters shall be adjusted as close as possible to the condition of zero error. The tolerances are specified only to allow for necessary variations.

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