BS EN 62305-2:2006 - Protection against lightning. Risk management – BSI British Standards

BS EN 62305-2:2006

Protection against lightning. Risk management

Status : Revised, Superseded, Withdrawn   Published : September 2006 Replaced By : BS EN 62305-2:2012

*To ask about withdrawn titles contact the
Customer Relations, +44 345 086 9001

Lightning flashes to earth may be hazardous to structures and to services.To reduce the loss due to lightning, protection measures may be required. Whether they are needed, and to what extent, should be determined by risk assessment.     

BS EN 62305-2:2006 is applicable to risk assessment for a structure or for a service due to lightning flashes to earth. Its purpose is to provide a procedure for the evaluation of such a risk. Once an upper tolerable limit for the risk has been selected, this procedure allows the selection of appropriate protection measures to be adopted to reduce the risk to or below the tolerable

BS EN 62305-2:2006 includes:

  • Normative references
  • Terms, definitions, symbols and abbreviations
  • Explanation of terms 
  • Risk management
  • Assessment of risk components for a structure
  • Assessment of risk components for a service

This standard, together with BS EN 62305-1:2006, BS EN 62305-3:2006 and BS EN 62305-4:2006, supersedes BS 6651:1999 which will be withdrawn on 31 August 2008.

Simplified IEC Risk Assessment Calculator (SIRAC)

This software, as mentioned in Annex J of BS EN 62305-2: 2006, is intended to help users of BS EN 62305-2 make simple risk assessment calculations for stuructures.

Read more and buy your copy

A guide book for lightning protection is also available

Do you need guidance for this standard and lightning protection?

Protection against lightning - A UK guide to the practical application of BS EN 62305 is a comprehensive companion guide to the new British standard BSEN62305.

Standard NumberBS EN 62305-2:2006
TitleProtection against lightning. Risk management
StatusRevised, Superseded, Withdrawn
Publication Date29 September 2006
Withdrawn Date31 January 2014
Normative References(Required to achieve compliance to this standard)IEC 62305-1, ITU-T Recommendation K.47:2000, IEC 62305-3, IEC 62305-5, IEC 61241-10:2004, ITU-T Recommendation K.46:2000, IEC 60079-10:2002, IEC 62305-4
Informative References(Provided for Information)ITU-T Recommendation K.20:2003, IEC 60664-1:1992, IEC 61643-1:2005, IEC 61000-4-5:1995
Replaced ByBS EN 62305-2:2012
ReplacesBS 6651:1999
International RelationshipsEN 61663-1:1999,IEC 62305-2:2006
Amended ByCorrigendum, April 2009
DescriptorsLightning protection, Structures, Damage, Risk assessment, Surge protection, Electrical protection equipment, Management, Lightning, Lightning conductors, Electrical safety, Electrical equipment, Climatic zones, Hazards, Hazard prevention in buildings, Buildings, Telecommunication systems, Building services, Mathematical calculations, Fire safety in buildings, Electrical installations, Climatic hazards, Climatic protection
Title in FrenchProtection contre la foudre. Evaluation du risque
Title in GermanBlitzschutz. Risiko-Management
ISBN978 0 580 66206 5
File Size4.091 MB

*To ask about withdrawn titles contact the
Customer Relations, +44 345 086 9001
 Your basket
Your basket is empty

Multi-user access to over 3,500 medical device standards, regulations, expert commentaries and other documents

Worldwide Standards
We can source any standard from anywhere in the world


Access, view and download standards with multiple user access, across multiple sites with BSOL

Develop a PAS

Develop a fast-track standardization document in 9-12 months

Customers who bought this product also bought

  • BS EN 62305-3:2011
    Protection against lightning Physical damage to structures and life hazard
  • BS 812-124:2009
    Testing aggregates Method for determination of frost heave
  • BS EN 1011-1:2009
    Welding. Recommendations for welding of metallic materials General guidance for arc welding
  • BS 6739:2009
    Code of practice for instrumentation in process control systems: installation design and practice