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20.50.05.00.htm 20.50.05.00. Title 20 PUBLIC SERVICE COMMISSION Subtitle 50 SERVICE SUPPLIED BY ELECTRIC COMPANIES Chapter 05 Meter Requirements Authority: Public Utility Companies Article, ยง2-121, 5-101, 7-301, and 7-302, Annotated Code of Maryland
20.50.05.01.htm 20.50.05.01. 01 Metering of Electricity.. A. Customer Use. All electricity sold by a utility shall be on the basis of meter measurement, except for installations where the usage is constant and the consumption may readily be computed, or as provided for in its filed rates.B. Utility Use. Wherever practicable, consumption of electricity within the utility itself, or by administrative units associated with it, shall be metered, except for installations where the usage is constant and the consump
20.50.05.02.htm 20.50.05.02. 02 Metering Installation.. A. Condition. A meter may not be installed if it is mechanically or electrically defective, has incorrect constants, or has not been tested in accordance with the requirements of COMAR 20.50.02.02.B. Capacity. The capacity of the metering installation and the index mechanism should be consistent with the electrical requirements of the customer.
20.50.05.03.htm 20.50.05.03. 03 Meter Multiplier.. If it is necessary to apply a multiplier to a meter reading, the multiplier shall be marked on the face of the meter register.
20.50.05.04.htm 20.50.05.04. 04 Demand Meter Registration.. Demand meter installations for billing purposes should be designed, where practicable, so that the highest annual demand reading used for billing should appear in the upper half of the meter's range.
20.50.05.05.htm 20.50.05.05. 05 Meter Reading Interval.. Meters shall be read at approximate monthly intervals, unless otherwise authorized by the Commission.
20.50.05.06.htm 20.50.05.06. 06 Meter Reading Records.. The meter reading records from which bills are prepared shall show:. A. Customer's name, address, and rate schedule;. B. Identifying number or description of the meter;. C. Meter readings;. D. Date of meter reading;. E. If the reading has been estimated;. F. Any applicable multiplier or constant..
20.50.05.07.htm 20.50.05.07. 07 Inventory Records.. Each utility shall maintain records of each meter and associated metering device which will identify each item as to its design, capacity, and application. The identifying information may include, as applicable: manufacturer, number, type, voltage, amperes, phase, number of wires, number of stators, disk constant (Kh) demand interval, and ratio.
20.50.05.08.htm 20.50.05.08. 08 History Records.. Each utility shall maintain records for each meter and associated metering device which shall show the dates of installation and removal from service, together with the location.
20.50.05.09.htm 20.50.05.09. 09 Test Records.. Each utility shall maintain test records for each meter which shall include the following:. A. The date and reason for the test;. B. The reading of the meter before making the test;. C. The accuracy "as found" at light and heavy loads; and. D. The accuracy "as left" at light and heavy loads..
20.50.05.9999.htm 20.50.05.9999. Administrative History Effective date: May 22, 1942 (Order No. 38330). Chapter revised effective May 18, 1960 (Order No. 54348). Chapter revised effective June 1, 1965 (Order No. 55819). Regulation .02A amended effective June 2, 1997 (24:11 Md. R. 795). Regulation .06 amended effective June 2, 1997 (24:11 Md. R. 795).
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