DS DS/EN 50186-1
DS DSEN 50186-1 1998-DEC-16 Lve-lne washng systems for power nstallatons wth nomnal voltages above 1 kV - Part 1 Common requrements
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This standard applies to the installation and operation of fixed and portable washing systems for the washing and cleaning of energized insulators on outdoor installations with voltages of over 1 kV.