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  2. ANSI C12.20 - Wikipedia

    en.wikipedia.org/wiki/ANSI_C12.20

    ANSI C12.20 is an ANSI standard that describes an American National Standard for Electricity Meters - accuracy and performance. The C12.20 standard established the physical aspects and performance criteria for a meter's accuracy class. It refines certain details in ANSI C12.1 and ANSI C12.10. The existing ANSI accuracy classes for electric ...

  3. Electricity Supply (Meters) Act 1936 - Wikipedia

    en.wikipedia.org/wiki/Electricity_Supply_(Meters...

    It placed duties on the Electricity Commissioners to appoint meter examiners to examine and certify meters; and on electricity undertakings to supply and maintain apparatus to examine, test and regulate meters. The Act established that meters already in use on the appointed day (1 July 1938) be deemed as proper meters to measure the supply of ...

  4. Electricity meter - Wikipedia

    en.wikipedia.org/wiki/Electricity_meter

    North American domestic analog (Ferraris disk) electricity meter. Electricity meter with transparent plastic case (Israel) An electricity meter, electric meter, electrical meter, energy meter, or kilowatt-hour meter is a device that measures the amount of electric energy consumed by a residence, a business, or an electrically powered device over a time interval.

  5. Measurement category - Wikipedia

    en.wikipedia.org/wiki/Measurement_category

    Schematic representation of measurement categories. Measurement category is a method of classification by the International Electrotechnical Commission (IEC) [1] of live electric circuits used in measurement and testing of installations and equipment, usually in the relation within a building (residential or industrial).

  6. Electrical safety testing - Wikipedia

    en.wikipedia.org/wiki/Electrical_safety_testing

    A dielectric voltage withstand test (also known as a hipot test) is done by applying a voltage higher than operating voltage to the device or installation under test. In this test, the electric insulation of a product or installation is put under a voltage stress much higher than its normal operating voltage.

  7. AEP meter label format - Wikipedia

    en.wikipedia.org/wiki/AEP_Meter_Label_Format

    AEP meter label format follows ANSI C12.10 requirements for format of the electric meter labels. (See below) The format for the barcode label is: . AABYYYYYYYYYZZZZZ where AA is the meter test code B is an identifier for the meter manufacturer YYYYYYYYY is the manufacturer’s serial number or utility number ZZZZZ is user specified

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