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IEC 61057:1991

Superseded Date published:

Warning: Superseded Standard. This document has been replaced by:

IEC 61057:2017

Aerial devices with insulating boom used for live working

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. The contents of the corrigendum of July 1999 have been included in this copy.

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IEC 61057:1991

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