Sockets and accessories for electronic plug-in devices. Part 3 : Sockets for crystal holders.

This document represents a supplementary update to the primary standard concerning the performance and testing of high-voltage bushings. Issued by the international organization responsible for global electrotechnical standardization, this revision serves to address specific technical developments or corrections identified in the original framework. The primary edition established foundational requirements for insulation systems used in electrical equipment operating at elevated voltage levels. This particular amendment focuses on refining test procedures, updating material specifications, or clarifying application guidelines to ensure continued alignment with industry advancements and safety expectations. It functions as an integral part of the broader series, providing necessary adjustments without replacing the core document entirely. The content aims to maintain technical consistency across international markets, ensuring that manufacturing and testing practices remain synchronized with the latest technical knowledge. By offering targeted updates, it helps professionals and regulators implement uniform standards without disrupting existing compliance frameworks. The revision reflects a collaborative effort within the global electrotechnical community to enhance reliability and interoperability of high-voltage components in power transmission and distribution systems.