This standard deals with electrical equipment using frequencies in the range of 3 kHz to 148,5 kHz to transmit information on low voltage electrical installations, either on the public supply system or within buildings. Frequency bands, limits for the output, limits for conducted and radiated interference and methods of measurement are defined. This revision aligns EN 50065-1 with CENELEC Guide 24; whilst not making technical changes to the standard. In addition the text on common-mode signalling has been clarified and account taken of use of mains signalling in relation to the charging of electric vehicles. Additional editorial changes have been made to clarify areas on which there have been queries.
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