SR EN 62305-2:2013

Protection against lightning -- Part 2: Risk management

IEC 62305-2:2010(E) is applicable to risk assessment for a structure 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 limit. This second edition cancels and replaces the first edition, published in 2006, and constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: 1) Risk assessment for services connected to structures is excluded from the scope. 2) Injuries of living beings caused by electric shock inside the structure are considered. 3) Tolerable risk of loss of cultural heritage is lowered from 10-3 to 10-4. The value of tolerable risk of loss of economic value (RT = 10-3) is introduced, to be used when data for cost/benefit analysis are not available. 4) Extended damage to surroundings structures or to the environment is considered. 5) Improv

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General information

Status : Valid
Approval date : 2/28/2013
Withdrawal date : 10/31/2027
Number of pages : 102
ICS : 29.020 Electrical engineering in general,91.120.40 Lighting protection
Technical Committee : 346 - Lightning protection

Relations with other standards:

Replaces SR EN 62305-2:2006
Normative reference SR EN 62305-3:2011
Normative reference SR EN 62305-1:2011
Normative reference SR EN 62305-4:2011
Normative reference SR EN 62305-2:2013
Replaced by SR EN IEC 62305-2:2024