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EN 62305-3:2011

Current
Current

The latest, up-to-date edition.

Protection against lightning - Part 3: Physical damage to structures and life hazard
Published date

03-04-2011

FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Lightning protection system (LPS)
5 External lightning protection system
6 Internal lightning protection system
7 Maintenance and inspection of an LPS
8 Protection measures against injury to living beings due to
  touch and step voltages
Annex A (normative) - Positioning the air-termination system
Annex B (normative) - Minimum cross-section of the entering
        cable screen in order to avoid dangerous sparking
Annex C (informative) - Evaluation of the separation
        distance s
Annex D (informative) - Additional information for LPS in the
        case of structures with a risk of explosion
Annex E (informative) - Guidelines for the design, construction,
        maintenance and inspection of lightning protection
        systems
Bibliography

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).

DocumentType
Standard
PublisherName
European Committee for Standards - Electrical
Status
Current

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EN 60728-11:2017 Cable networks for television signals, sound signals and interactive services - Part 11: Safety
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I.S. EN 50174-1:2009 INFORMATION TECHNOLOGY - CABLING INSTALLATION - PART 1: INSTALLATION SPECIFICATION AND QUALITY ASSURANCE
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I.S. EN 62305-2:2012 PROTECTION AGAINST LIGHTNING - PART 2: RISK MANAGEMENT (IEC 62305-2:2010 (MOD))
I.S. EN 50164-4:2008 LIGHTNING PROTECTION COMPONENTS (LPC) - PART 4: REQUIREMENTS FOR CONDUCTOR FASTENERS
EN 62561-4:2017 Lightning protection system components (LPSC) - Part 4: Requirements for conductor fasteners
I.S. EN 62305-4:2011 PROTECTION AGAINST LIGHTNING - PART 4: ELECTRICAL AND ELECTRONIC SYSTEMS WITHIN STRUCTURES
UNI EN 12977-5 : 2012 THERMAL SOLAR SYSTEMS AND COMPONENTS - CUSTOM BUILT SYSTEMS - PART 5: PERFORMANCE TEST METHODS FOR CONTROL EQUIPMENT
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I.S. EN 50164-1:2008 LIGHTNING PROTECTION COMPONENTS (LPC) - PART 1: REQUIREMENTS FOR CONNECTION COMPONENTS
BS EN 12976-2:2017 Thermal solar systems and components. Factory made systems Test methods
CLC/TR 50450:2006 Resistibility requirements for equipment having (a) telecommunication port(s)
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I.S. EN 12977-5:2012 THERMAL SOLAR SYSTEMS AND COMPONENTS - CUSTOM BUILT SYSTEMS - PART 5: PERFORMANCE TEST METHODS FOR CONTROL EQUIPMENT
S.R. CLC/TS 61643-12:2009 LOW-VOLTAGE SURGE PROTECTIVE DEVICES - PART 12: SURGE PROTECTIVE DEVICES CONNECTED TO LOW-VOLTAGE POWER DISTRIBUTION SYSTEMS - SELECTION AND APPLICATION PRINCIPLES
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DIN EN 12186:2014-12 GAS INFRASTRUCTURE - GAS PRESSURE REGULATING STATIONS FOR TRANSMISSION AND DISTRIBUTION - FUNCTIONAL REQUIREMENTS
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PREN 50174-1 : DRAFT 2017 INFORMATION TECHNOLOGY - CABLING INSTALLATION - PART 1: INSTALLATION SPECIFICATION AND QUALITY ASSURANCE
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I.S. EN 1127-1:2011 EXPLOSIVE ATMOSPHERES - EXPLOSION PREVENTION AND PROTECTION - PART 1: BASIC CONCEPTS AND METHODOLOGY
S.R. HD 60364-5-54:2011 LOW-VOLTAGE ELECTRICAL INSTALLATIONS - PART 5-54: SELECTION AND ERECTION OF ELECTRICAL EQUIPMENT - EARTHING ARRANGEMENTS AND PROTECTIVE CONDUCTORS
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BS EN 12977-5:2012 Thermal solar systems and components. Custom built systems Performance test methods for control equipment
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I.S. HD 60364-4-444:2010 LOW-VOLTAGE ELECTRICAL INSTALLATIONS - PART 4-444: PROTECTION FOR SAFETY - PROTECTION AGAINST VOLTAGE DISTURBANCES AND ELECTROMAGNETIC DISTURBANCES
I.S. EN 61822:2009 ELECTRICAL INSTALLATIONS FOR LIGHTING AND BEACONING OF AERODROMES - CONSTANT CURRENT REGULATORS
EN 50174-1:2009/A2:2014 INFORMATION TECHNOLOGY - CABLING INSTALLATION - PART 1: INSTALLATION SPECIFICATION AND QUALITY ASSURANCE
BS EN 12976-1:2017 Thermal solar systems and components. Factory made systems General requirements
BS EN 12186:2014 Gas infrastructure. Gas pressure regulating stations for transmission and distribution. Functional requirements
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UNE-EN 62253:2012 Photovoltaic pumping systems - Design qualification and performance measurements
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BS EN 1127-2:2014 Explosive atmospheres. Explosion prevention and protection Basic concepts and methodology for mining
BS EN 50310:2016 Telecommunications bonding networks for buildings and other structures
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UNE-EN 50132-7:2013 Alarm systems - CCTV surveillance systems for use in security applications - Part 7: Application guidelines
BS EN 62561-2:2012 Lightning Protection System Components (LPSC) Requirements for conductors and earth electrodes
CEI CLC/TR 50450 : 2006 RESISTIBILITY REQUIREMENTS FOR EQUIPMENT HAVING (A) TELECOMMUNICATION PORT(S)
CEI EN 62561-5 : 2012 LIGHTNING PROTECTION SYSTEM COMPONENTS (LPSC) - PART 5: REQUIREMENTS FOR EARTH ELECTRODE INSPECTION HOUSINGS AND EARTH ELECTRODE SEALS
DD CLC/TS 50539-22:2010 Low-voltage surge protective devices. Surge protective devices for specific application including d.c. Selection and application principles. Wind turbine applications
S.R. CLC/TS 50539-12:2013 LOW-VOLTAGE SURGE PROTECTIVE DEVICES - SURGE PROTECTIVE DEVICES FOR SPECIFIC APPLICATION INCLUDING D.C. - PART 12: SELECTION AND APPLICATION PRINCIPLES - SPDS CONNECTED TO PHOTOVOLTAIC INSTALLATIONS
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UNE-EN 62561-4:2011 Lightning protection system components (LPSC) - Part 4: Requirements for conductor fasteners
BS EN 62561-5:2017 Lightning protection system components (LPSC) Requirements for earth electrode inspection housings and earth electrode seals
I.S. EN 60079-14:2014 EXPLOSIVE ATMOSPHERES - PART 14: ELECTRICAL INSTALLATIONS DESIGN, SELECTION AND ERECTION
CEI EN 50132-7 : 2014 ALARM SYSTEMS - CCTV SURVEILLANCE SYSTEMS FOR USE IN SECURITY APPLICATIONS - PART 7: APPLICATION GUIDELINES
08/30184703 DC : DRAFT JUNE 2008 BS EN 50164-5 - LIGHTNING PROTECTION COMPONENTS (LPC) - PART 5: REQUIREMENTS FOR EARTH ELECTRODE INSPECTION HOUSINGS AND EARTH ELECTRODE SEALS
BS EN 61400-24:2010 Wind turbines Lightning protection
CEI EN 60728-11 : 2014 CABLE NETWORKS FOR TELEVISION SIGNALS, SOUND SIGNALS AND INTERACTIVE SERVICES - PART 11: SAFETY
CEI CLC/TS 50539-22 : 2012 LOW-VOLTAGE SURGE PROTECTIVE DEVICES - SURGE PROTECTIVE DEVICES FOR SPECIFIC APPLICATION INCLUDING D.C. - PART 22: SELECTION AND APPLICATION PRINCIPLES - WIND TURBINE APPLICATIONS
I.S. EN 62253:2011 PHOTOVOLTAIC PUMPING SYSTEMS - DESIGN QUALIFICATION AND PERFORMANCE MEASUREMENTS
I.S. HD 60364-5-54:2011 LOW-VOLTAGE ELECTRICAL INSTALLATIONS - PART 5-54: SELECTION AND ERECTION OF ELECTRICAL EQUIPMENT - EARTHING ARRANGEMENTS AND PROTECTIVE CONDUCTORS
I.S. EN 62305-1:2011 PROTECTION AGAINST LIGHTNING - PART 1: GENERAL PRINCIPLES
I.S. EN IEC 62688:2018 CONCENTRATOR PHOTOVOLTAIC (CPV) MODULES AND ASSEMBLIES - SAFETY QUALIFICATION
PREN 1127-2 : DRAFT 2012 EXPLOSIVE ATMOSPHERES - EXPLOSION PREVENTION AND PROTECTION - PART 2: BASIC CONCEPTS AND METHODOLOGY FOR MINING
I.S. EN 50164-7:2008 LIGHTNING PROTECTION COMPONENTS (LPC) - PART 7: REQUIREMENTS FOR EARTHING ENHANCING COMPOUNDS
I.S. EN 1090-5:2017 EXECUTION OF STEEL STRUCTURES AND ALUMINIUM STRUCTURES - PART 5: TECHNICAL REQUIREMENTS FOR COLD-FORMED STRUCTURAL ALUMINIUM ELEMENTS AND COLD-FORMED STRUCTURES FOR ROOF, CEILING, FLOOR AND WALL APPLICATIONS
I.S. EN 61400-3:2009 WIND TURBINES - PART 3: DESIGN REQUIREMENTS FOR OFFSHORE WIND TURBINES
09/30205182 DC : 0 BS EN 50310 - APPLICATION OF EQUIPOTENTIAL BONDING AND EARTHING IN BUILDINGS WITH INFORMATION TECHNOLOGY EQUIPMENT
EN 1127-2:2014 Explosive atmospheres - Explosion prevention and protection - Part 2: Basic concepts and methodology for mining
EN 1090-5:2017 Execution of steel structures and aluminium structures - Part 5: Technical requirements for cold-formed structural aluminium elements and cold-formed structures for roof, ceiling, floor and wall applications
EN 62305-4:2011/AC:2016-11 Protection against lightning - Part 4: Electrical and electronic systems within structures
EN 62305-2:2012 Protection against lightning - Part 2: Risk management
EN 50164-2:2008 Lightning Protection Components (LPC) - Part 2: Requirements for conductors and earth electrodes
DIN EN 12977-5:2012-06 THERMAL SOLAR SYSTEMS AND COMPONENTS - CUSTOM BUILT SYSTEMS - PART 5: PERFORMANCE TEST METHODS FOR CONTROL EQUIPMENT
HD 60364-7-712:2016 Low-voltage electrical installations - Part 7-712: Requirements for special installations or locations - Photovoltaic (PV) systems
EN 1127-1:2011 Explosive atmospheres - Explosion prevention and protection - Part 1: Basic concepts and methodology
EN 50164-5:2009 Lightning Protection Components (LPC) - Part 5: Requirements for earth electrode inspection housings and earth electrode seals
HD 60364-4-444:2010/AC:2012 LOW-VOLTAGE ELECTRICAL INSTALLATIONS - PART 4-444: PROTECTION FOR SAFETY - PROTECTION AGAINST VOLTAGE DISTURBANCES AND ELECTROMAGNETIC DISTURBANCES
EN 61400-24:2010 Wind turbines - Part 24: Lightning protection
EN 50164-7:2008 Lightning Protection Components (LPC) - Part 7: Requirements for earthing enhancing compounds
CLC/TS 61643-12 : 2009 LOW-VOLTAGE SURGE PROTECTIVE DEVICES - PART 12: SURGE PROTECTIVE DEVICES CONNECTED TO LOW-VOLTAGE POWER DISTRIBUTION SYSTEMS - SELECTION AND APPLICATION PRINCIPLES
EN 50164-6:2009 Lightning Protection Components (LPC) - Part 6: Requirements for lightning strike counters
HD 60364-4-442:2012 Low-voltage electrical installations - Part 4-442: Protection for safety - Protection of low-voltage installations against temporary overvoltages due to earth faults in the high-voltage system and due to faults in the low voltage system
UNE-HD 60364-5-54:2015 Low-voltage electrical installations - Part 5-54: Selection and erection of electrical equipment - Earthing arrangements and protective conductors

EN 50164-2:2008 Lightning Protection Components (LPC) - Part 2: Requirements for conductors and earth electrodes
IEC 60728-11:2016 Cable networks for television signals, sound signals and interactive services - Part 11: Safety
EN 60079-10-1:2015 Explosive atmospheres - Part 10-1: Classification of areas - Explosive gas atmospheres
EN 62305-4:2011/AC:2016 PROTECTION AGAINST LIGHTNING - PART 4: ELECTRICAL AND ELECTRONIC SYSTEMS WITHIN STRUCTURES (IEC 62305-4:2010)
NFPA 780 : 2017 INSTALLATION OF LIGHTNING PROTECTION SYSTEMS
EN 61557-4:2007 Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 4: Resistance of earth connection and equipotential bonding
EN 50164-7:2008 Lightning Protection Components (LPC) - Part 7: Requirements for earthing enhancing compounds
IEC 61400-24:2010 Wind turbines - Part 24: Lightning protection
EN 50164-6:2009 Lightning Protection Components (LPC) - Part 6: Requirements for lightning strike counters
EN 60079-10-2:2015 Explosive atmospheres - Part 10-2: Classification of areas - Explosive dust atmospheres
IEC 60079-10-1:2015 Explosive atmospheres - Part 10-1: Classification of areas - Explosive gas atmospheres
IEC TR 61000-5-2:1997 Electromagnetic compatibility (EMC) - Part 5: Installation and mitigation guidelines - Section 2: Earthing and cabling
IEC 61643-21:2000+AMD1:2008+AMD2:2012 CSV Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods
IEC 62561-1:2017 Lightning protection system components (LPSC) - Part 1: Requirements for connection components
EN 50164-5:2009 Lightning Protection Components (LPC) - Part 5: Requirements for earth electrode inspection housings and earth electrode seals
IEC 60050-426:2008 International Electrotechnical Vocabulary (IEV) - Part 426: Equipment for explosive atmospheres
IEC 62561-3:2017 Lightning protection system components (LPSC) - Part 3: Requirements for isolating spark gaps (ISG)
EN 62305-4:2011/AC:2016-11 Protection against lightning - Part 4: Electrical and electronic systems within structures
IEC 62305-1:2010 Protection against lightning - Part 1: General principles
IEC 61643-1:2005 Low-voltage surge protective devices - Part 1: Surge protective devices connected to low-voltage power distribution systems - Requirements and tests
EN 62561-3:2017 Lightning Protection System Components (LPSC) - Part 3: Requirements for isolating spark gaps (ISG)
EN 50164-3 : 2006 AMD 1 2009 LIGHTNING PROTECTION COMPONENTS (LPC) - PART 3: REQUIREMENTS FOR ISOLATING SPARK GAPS
EN 61643-21:2001/A2:2013 LOW VOLTAGE SURGE PROTECTIVE DEVICES - PART 21: SURGE PROTECTIVE DEVICES CONNECTED TO TELECOMMUNICATIONS AND SIGNALLING NETWORKS - PERFORMANCE REQUIREMENTS AND TESTING METHODS (IEC 61643-21:2000/A2:2012)
EN 62305-2:2012 Protection against lightning - Part 2: Risk management
IEC 60079-14:2013 Explosive atmospheres - Part 14: Electrical installations design, selection and erection
ISO 3864-1:2011 Graphical symbols Safety colours and safety signs Part 1: Design principles for safety signs and safety markings
EN 50164-1:2008 Lightning Protection Components (LPC) - Part 1: Requirements for connection components
EN 60079-14:2014/AC:2016 EXPLOSIVE ATMOSPHERES - PART 14: ELECTRICAL INSTALLATIONS DESIGN, SELECTION AND ERECTION (IEC 60079-14:2013/COR1:2016)
EN 62561-1:2017 Lightning Protection System Components (LPSC) - Part 1: Requirements for connection components
IEC 60050-826:2004 International Electrotechnical Vocabulary (IEV) - Part 826: Electrical installations
IEC 62305-4:2010 Protection against lightning - Part 4: Electrical and electronic systems within structures
IEC 61557-4:2007 Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 4: Resistance of earth connection and equipotential bonding
IEC 62305-2:2010 Protection against lightning - Part 2: Risk management
EN 50164-4:2008 Lightning Protection Components (LPC) - Part 4: Requirements for conductor fasteners

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