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EVS-EN IEC 62305-2:2025

Protection against lightning - Part 2: Risk management

General information

Valid from 01.10.2025
Base Documents
IEC 62305-2:2024; EN IEC 62305-2:2024
ICS Groups
29.020 Electrical engineering in general 91.120.40 Lightning protection
Directives or regulations
None

Standard history

Status
Date
Type
Name
01.10.2025
Main
EVS-EN IEC 62305-2:2025
05.03.2013
Main
EVS-EN 62305-2:2013

IEC 62305-2 applies to the risk management of 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 provides a means for the selection of appropriate protection measures to be adopted to reduce the risk to or below the tolerable limit.

Risk management also includes the evaluation of frequency of damage of internal systems caused by surges due to lightning flashes to earth. Once an upper tolerable limit for the frequency of damage has been selected, this procedure provides a means for the selection of appropriate protection measures to be adopted to reduce the frequency of damage to or below the tolerable limit.

IEC 62305-2:2024 text has been approved in Europe as EN IEC 62305-2:2024 without any changes.

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Standards designation

EVS Estonian standard
EN European standard (published by an CEN or CENELEC)
EN ISO International standard adopted as an European standard
ISO International Organization for Standardization’s standard
IEC International Electrotechnical Commission’s standard
HD CENELEC’s harmonisation document
   
EVS-EN European standard implemented in Estonia
EVS-EN ISO International standard adopted in Europe and implemented in Estonia
EVS-EN ISO/IEC International standard/International electrotechnical standard adopted in Europe and implemented in Estonia
EVS-IEC International electrotechnical standard implemented in Estonia
EVS-ISO International standard implemented in Estonia
   
A, AMD amedment
+A a full standard plus the amendment
/A only amendment
COR, AC corrigendum
+COR a full standard plus the corrigendum
NA national annex
+NA a full standard plus the national annex
/NA only national annex
TS technical specification
TR technical report
CWA agreement, developed by a CEN or CENELEC
prEVS-EN (etc) draft standard
   
et the standard is in Estonian only
en the standard is in English only
et-en the standard is in Parallel text Estonian-English