IEC 60120:1984 

Dimensions of ball and socket couplings of string insulator units

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Abstract

Applies to string insulator units of the cap and pin and long rod types and their associated metal fittings for overhead lines. Includes six standard sizes designated by the nominal pin diameters which form the basis of the standard. Defines each standard size by the dimensions of the pin ball, of the socket and the hook-on 'Go' gauge. States dimensions of twin-balled pins for coupling of two sockets. Tabulates clearance and locking conditions. Appendices give information on extreme positions of the pin ball in the socket as well as on gauges for checking dimensions.

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Additional information

Publication typeInternational Standard
Publication date1984-01-01
Edition3.0
Available language(s)English/French
TC/SCTC 36 - Insulatorsrss
ICS29.080.10 - Insulators
29.240.20 - Power transmission and distribution lines
Stability date  2021
Pages34
File size1201 KB

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