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IEC 62561-8 Ed. 1.0 en:2026

Lightning protection system components (LPSC) - Part 8: Requirements for components for electrically insulated LPS
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IEC 62561-8 Ed. 1.0 en:2026

Lightning protection system components (LPSC) - Part 8: Requirements for components for electrically insulated LPS

PUBLISH DATE 2026
IEC 62561-8 Ed. 1.0 en:2026

IEC 62561-8:2026 specifies the requirements and tests for components used for electrically insulated LPS. These components, which can reduce the separation distance, are as follows:

  • insulating stand-offs, used in conjunction with an air-termination system and down-conductors with the aim of maintaining the proper separation distance;
  • insulating down conductors, including their specific fasteners.

Testing of insulating stand-offs and insulating down-conductor components for an explosive atmosphere is not covered by this document.

This first edition cancels and replaces IEC TS 62561-8 published in 2018. This edition constitutes a technical revision.

This edition includes the following significant technical changes with respect to IEC TC 62561-8:2018:

  • a) title and scope of the standard has been adjusted;
  • b) the document has been updated in line with IEC 60068-2-52:2017 on salt mist treatment;
  • c) the document has been updated in line with ISO 22479:2019 on humid sulphureous atmosphere treatment;
  • d) two different possible example configurations for pull out tests have been introduced;
  • e) additional information on pollution has been included;
  • f) an alternate test arrangement for high voltage impulse test has been included;
  • g) a new normative Annex H for applicability of previous tests has been introduced;
  • h) pass criteria for high voltage impulse testing updated;
  • i) explanation on high voltage impulse testing with negative polarity has been added.
SDO IEC: International Electrotechnical Commission
Document Number IEC 62561
Publication Date June 1, 2026
Language en - English
Page Count 57
Revision Level 1.0
Supercedes
Committee 81
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