International Electrotechnical Commission

Publication detail

Reference	IEC 62305-3 ed2.0 withdrawn corrigendum	> preview
Title	Protection against lightning - Part 3: Physical damage to structures and life hazard
Publication date	2010-12-09
Format, price (Swiss francs) and language	330.- 155 pages 330.- 4725 Kb
Abstract	IEC 62305-3:2010(E) provides the requirements for protection of a structure against physical damage by means of a lightning protection system (LPS), and for protection against injury to living beings due to touch and step voltages in the vicinity of an LPS (see IEC 62305-1). 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) Minimum thicknesses of metal sheets or metal pipes given in Table 3 for air-termination systems are assumed as not able to prevent hot-spot problems. 2) Steel with electro-deposited copper is introduced as material suitable for LPS. 3) Some cross-sectional areas of LPS conductors were slightly modified. 4) For bonding purposes, isolating spark gaps are used for metal installations and SPD for internal systems. 5) Two methods - simplified and detailed - are provided for evaluation of separation distance. 6) Protection measures against injuries of living beings due to electric shock are considered also inside the structure. 7) Improved information for LPS in the case of structures with a risk of explosion are given in Annex D (normative).
Technical Committee	81 - Lightning protection
ICS Codes	29.020 Electrical engineering in general *Including voltages, general electrical terminology, electrical documentation, electrical tables, safety, fire hazard testing, etc. *Electrical diagrams and charts, see 01.100.25 *Electrical power stations, see 27.100 *Electromagnetic compatibility, see 33.100 91.120.40 Lightning protection
Replaced by
Stability date	2018
Work in progress	Project Stage code Forecast publication date No project under development - -

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