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Protection against Lightning and the new standard's key requirements

A summary of the key differences between BS 6651:1999 and it's 2008 replacement BS EN 62305 Protection against Lightning.

This short form document is to highlight the implications these changes will have on the English Heritage (now Historic England) and Ecclesiastical Insurance Group co-sponsored guidance documents:

Lightning Protection For Churches

Lightning Protection For Churches

Published 28 February 2000

A guide to design and installation based on statistical evidence for lightning strikes to churches and the consequences.

Surge Protection Equipment: A guide to selection and installation in historic buildings

Surge Protection Equipment: A guide to selection and installation in historic buildings

Published 1 June 2006

Historic buildings take many shapes and forms and as many uses, from simple places of worship to highly serviced office buildings. Nearly all these buildings, however, contain some form of electronic equipment such as alarm systems, telephones, computers, fax machines, modems, CCTV, tills and in places of worship, electronic organs, lightning controls and sound reproduction systems.

The new BS EN incorporates hundreds of changes and is considerably larger and more complex than its predecessor. There are four parts which cover:

  • General Principles
  • Risk Management
  • Physical Damage to Structures and Life Hazard
  • Electrical and Electronic systems within Structures

Additional Information

  • Series: Guidance
  • Publication Status: Completed


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