IEC 61057 Ed. 1.0 b:1991
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Aerial devices with insulating boom used for live working
International Electrotechnical Commission , 06/25/1991
Pages: 116
Applies to aerial devices (mobile elevating work platforms (MEWP)), with or without the possibility of an additional jib, as a minimum with an insulating upper boom (extending structure) used for live working on the rated voltage, which is between 1 kW r.m.s. and 800 kV r.m.s., at power frequency.
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