Reference2 (1).pdf - ERICO LIGHTNING PROTECTION HANDBOOK...

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ERICO LIGHTNING PROTECTION HANDBOOK DESIGNING TO THE IEC 62305 SERIES OF LIGHTNING PROTECTION STANDARDS
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2 www.erico.pentair.com Lightning Protection Consultant Handbook Pentair Engineered Electrical & Fastening Solutions is a leading global manufacturer and marketer of superior engineered products for niche electrical, mechanical and concrete applications. These Pentair products are sold globally under a variety of market-leading brands: ERICO welded electrical connections, facility electrical protection, and rail and industrial products; CADDY fixing, fastening and support products; ERIFLEX low voltage power and grounding connections; and LENTON engineered systems for concrete reinforcement. For more information on ERICO, CADDY, ERIFLEX and LENTON, please visit erico.pentair.com. NOTES: IEC ® and national standards continue to evolve. This handbook was written with reference to the current editions of these standards as of 2009. Due to regional variations, the terms earthing and grounding may be used interchangeably. Introduction This handbook is written to assist in the understanding of the IEC 62305 series of lightning protection standards. This guide simplifies and summarizes the key points of the standards for typical structures, and as such, the full standards should be referred to for final verification. This handbook does not document all IEC requirements, especially those applicable to less common or high risk structures such as those with thatched roofs or containing explosive materials. In many situations there are multiple methods available to achieve the same end result; this document offers Pentair’s interpretation of the standards and our recommended approach. In order to provide practical advice, information is included on industry accepted practices and from other standards. WARNING Pentair products shall be installed and used only as indicated in Pentair’s product instruction sheets and training materials. Instruction sheets are available at www.erico.pentair.com and from your Pentair customer service representative. Improper installation, misuse, misapplication or other failure to completely follow Pentair’s instructions and warnings may cause product malfunction, property damage, serious bodily injury and death and/or void your warranty.
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3 www.erico.pentair.com Key Terms and Abbreviations Term Definition Air-Termination Part of the lightning protection system to intercept the lightning flash (strike). For example, an air-terminal providing a protection angle to protected equipment, or horizontal or vertical conductor providing protection via the mesh method British Standards (BS) Body responsible for implementation of national British standards, identified by BS prefix CENELEC European Committee for Electrotechnical Standardisation (essentially European standard or Norm, identified by EN or NE prefix) Class (of LPS) Classification of lightning protection system. Class I, II, III, IV relate to the lightning protection level
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