IEC 61057:1991
Aerial devices with insulating boom used for live working

Standard No.
IEC 61057:1991
Release Date
1991
Published By
International Electrotechnical Commission (IEC)
Status
Replace By
IEC 61057:1991/COR1:1999
Latest
IEC 61057:2017
Scope
Specifies the special technical characteristics, tests and checks of the insulating parts and of the conducting parts. Applies to devices used for nominal voltages between 1 kV and 800 kV.

IEC 61057:1991 history

Aerial devices with insulating boom used for live working



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