1. A. Creeping: No watt-hour meter which registers on “no load” when the applied voltage is less than one hundred and ten (110%) percent of standard service voltage shall be placed in service or allowed to remain in service.

2. B. No watt-hour meter shall be placed in service which is in any way defective to impair its performance, or which has incorrect constants or which has not been tested individually or under a sample meter testing plan approved by the commission for accuracy of measurements and adjusted, as specified in 103-373(2), if necessary, to meet these requirements:

   Average error not over 0.5% plus or minus;

   Error at “Full Load” (test amperes) not over 0.5% plus or minus;

   Error at “Light Load” not over 1.0% plus or minus.

HISTORY: Amended by State Register Volume 14, Issue No. 3, eff March 23, 1990; State Register Volume 32, Issue No. 5, eff May 23, 2008.