| 摘要 |
What is disclosed is a current measuring apparatus comprising: a mains connector, such as a plug, for connecting to a wire of a mains supply; an apparatus connector, such as a socket, to provide for electrical conduction to an electrical apparatus; a coil in series between the mains connector and the apparatus connector; and a measurement circuit that is operative to measure a voltage drop across the coil. In particular the coil is one present to also filter the mains signal. Also disclosed is a mains voltage powered consumer product, a network and an adaptor utilising the current measuring apparatus.
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