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IEC 60120 Ed.4.0 Edition 07/2020
Ball and socket couplings of string insulator units - Dimensions
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  • 236.5 / copy
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Abstract

IEC 60120:2020 define the dimensions of a series of standard ball and socket couplings using the standard locking devices (see IEC 60372) in order to permit the assembly of insulators or metal fittings supplied by different manufacturers. This document applies to string insulator units of the cap and pin and long rod types and their associated metal fittings. For the pin ball and the socket, dimensions apply to the finished product after any surface treatment. Extreme positions of the pin ball in the socket are given in annex. Typical examples of gauges for checking the dimensions of pin balls and sockets are given in annex.

Status

Standard - Active

Origin

Technical Committee :
36 : Insulators

Implementation

start of the vote on the project      date of ratification (dor)   
end of the vote on the project      date of anouncement (doa)   
start of the vote on the final project      date of publication (dop)   
end of the vote on the final project      date of withdrawal (dow)   


Publication Official Journal
of the Grand-Duchy of Luxembourg
Reference

Relations

Relations to older standards
IEC 60120 Ed. 3.0

International Classification for Standards (ICS codes) :

29.080.10 : Insulators
29.240.20 : Power transmission and distribution lines

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