BS-7856 › Specification for special design and other features of alternating current watthour meters for active energy for use in the UK (Accuracy Classes A and B)
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Electric current, Power measurement (electric), Dimensions, Single-phase current, Two-phase current, Electricity supply meters, Electrical measurement, Wattmeters, Electromechanical devices, Alternating current, Circuit diagrams, Design, Three-phase current
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July 24, 2017