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IEC 60372 3rd Edition, 1984
Complete Document
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Locking Devices for Ball and Socket Couplings of String Insulator Units: Dimensions and Tests
Includes all amendments and changes through Amendment 2, May 2003
Additional Comments: BILINGUAL
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This standard is applicable to locking devices used with bal and socket couplings of string insulator units and used with the corresponding metal fittings standardized in IEC Publication 120: Dimensions of Ball and Socket Couplings of String Insulator Units, when they are supplied separately.

When these locking devices are supplied with an insulator or fitting, they shall be considered as an integral part of it. In this case, the relevant tests shall be included with those of insulators, as specified in IEC Publication 383: Tests of Insulators of Ceramic material or Glass for Overhead Lines with a Nominal Voltage Greater than 1 000 V. On request, a certificate shall be delivered confirming that the tests on locking devices as specified in this publication, have been carried out. The locking devices are usually supplied with the insulators or corresponding metal fittings.