# The Measuring Instruments Regulations 2016, Paragraph 5.4: Running with no load


When the voltage is applied with no current flowing in the current circuit (current circuit shall be open circuit), the meter shall not register energy at any voltage between 0.8 ∙ Un and 1.1 Un.

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Source: https://www.legislation.gov.uk/uksi/2016/1153/schedule/1E/paragraph/5.4 (the official version)
Page: https://openlegislation.uk/measuring-instruments-regulations-2016/schedule-1E/paragraph-5.4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.