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EN 62305-4:2011/AC:2016-11

Current

Current

The latest, up-to-date edition.

Protection against lightning - Part 4: Electrical and electronic systems within structures

Amendment of

EN 62305-4:2011

Published date

04-11-2016

FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Lightning current parameters
5 Damage due to lightning
6 Need and economic justification for lightning protection
7 Protection measures
8 Basic criteria for protection of structures
Annex A (informative) - Parameters of lightning current
Annex B (informative) - Time functions of the lightning
        current for analysis purposes
Annex C (informative) - Simulation of the lightning current
        for test purposes
Annex D (informative) - Test parameters simulating the effects
        of lightning on LPS components
Annex E (informative) - Surges due to lightning at different
        installation points
Annex ZA (normative) - Normative references to international
         publications with their corresponding European
         publications
Bibliography

Gives general principles to be followed for protection of structures against lightning, including their installations and contents, as well as persons.

Committee
TC 81X
DocumentType
Standard
PublisherName
European Committee for Standards - Electrical
Status
Current

CEI EN 62561-4 : 2012 LIGHTNING PROTECTION SYSTEM COMPONENTS (LPSC) - PART 4: REQUIREMENTS FOR CONDUCTOR FASTENERS
UNE-EN 61400-24:2011 Wind turbines - Part 24: Lightning protection
CLC/TS 62603-1:2014 Industrial process control systems - Guideline for evaluating process control systems - Part 1: Specifications
S.R. HD 60364-5-534:2016 LOW-VOLTAGE ELECTRICAL INSTALLATIONS - PART 5-53: SELECTION AND ERECTION OF ELECTRICAL EQUIPMENT - ISOLATION, SWITCHING AND CONTROL - CLAUSE 534: DEVICES FOR PROTECTION AGAINST TRANSIENT OVERVOLTAGES
BS EN 61000-4-5:2014 Electromagnetic compatibility (EMC) Testing and measurement techniques. Surge immunity test
08/30152055 DC : DRAFT APR 2008 BS EN 50518-1 - MONITORING AND ALARM RECEIVING CENTER - PART 1: LOCATION AND CONSTRUCTION REQUIREMENTS
BS EN 61822:2009 Electrical installations for lighting and beaconing of aerodromes. Constant current regulators
BS EN 60794-3-60:2008 Optical fibre cables Outdoor cables. Family specification for drinking water pipe cables and subducts for installation by blowing and/or pulling/dragging/floating in drinking water pipes
BS EN 62305-3:2011 Protection against lightning Physical damage to structures and life hazard
BS EN 50164-1:2008 Lightning protection components (LPC) Requirements for connection components
BS EN 50164-5:2009 Lightning protection components (LPC) Requirements for earth electrode inspection housings and earth electrode seals
17/30360253 DC : 0 BS EN 15288-1 - SWIMMING POOLS - PART 1: SAFETY REQUIREMENTS FOR DESIGN
I.S. EN 50164-6:2009 LIGHTNING PROTECTION COMPONENTS (LPC) - PART 6: REQUIREMENTS FOR LIGHTNING STRIKE COUNTERS
S.R. CEN TS 12977-1:2010 THERMAL SOLAR SYSTEMS AND COMPONENTS - CUSTOM BUILT SYSTEMS - PART 1: GENERAL REQUIREMENTS FOR SOLAR WATER HEATERS AND COMBISYSTEMS
DIN EN 13084-6:2016-02 FREE-STANDING CHIMNEYS - PART 6: STEEL LINERS - DESIGN AND EXECUTION
BS EN 13084-6:2015 Free-standing chimneys Steel liners. Design and execution
EN 60794-3-60:2008 Optical fibre cables - Part 3-60: Outdoor cables - Family specification for drinking water pipe cables and subducts for installation by blowing and/or pulling/dragging/floating in drinking water pipes
EN 62561-2:2012 Lightning Protection System Components (LPSC) - Part 2: Requirements for conductors and earth electrodes
EN 50164-4:2008 Lightning Protection Components (LPC) - Part 4: Requirements for conductor fasteners
EN 62305-4:2011/AC:2016 PROTECTION AGAINST LIGHTNING - PART 4: ELECTRICAL AND ELECTRONIC SYSTEMS WITHIN STRUCTURES (IEC 62305-4:2010)
EN 12779:2015 Safety of woodworking machines - Chip and dust extraction systems with fixed installation - Safety requirements
HD 60364-5-534:2016 Low-voltage electrical installations - Part 5-53: Selection and erection of electrical equipment - Isolation, switching and control - Clause 534: Devices for protection against transient overvoltages
EN 61822:2009 ELECTRICAL INSTALLATIONS FOR LIGHTING AND BEACONING OF AERODROMES - CONSTANT CURRENT REGULATORS
EN 50164-1:2008 Lightning Protection Components (LPC) - Part 1: Requirements for connection components
EN 12186:2014 Gas infrastructure - Gas pressure regulating stations for transmission and distribution - Functional requirements
EN 61000-4-5:2014/A1:2017 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 4-5: TESTING AND MEASUREMENT TECHNIQUES - SURGE IMMUNITY TEST (IEC 61000-4-5:2014/A1:2017)
I.S. EN 50164-5:2009 LIGHTNING PROTECTION COMPONENTS (LPC) - PART 5: REQUIREMENTS FOR EARTH ELECTRODE INSPECTION HOUSINGS AND EARTH ELECTRODE SEALS
PREN 13243 : DRAFT 2013 SAFETY REQUIREMENTS FOR CABLEWAY INSTALLATIONS DESIGNED TO CARRY PERSONS - ELECTRICAL EQUIPMENT OTHER THAN FOR DRIVE SYSTEMS
BS EN 62858:2015 Lightning density based on lightning location systems (LLS). General principles
BS EN 50164-7:2008 Lightning protection components (LPC) Requirements for earthing enhancing compounds
BS EN 50164-6:2009 Lightning protection components (LPC) Requirements for lightning strike counters
DD CEN/TS 12977-1:2010 Thermal solar systems and components. Custom built systems General requirements for solar water heaters and combisystems
07/30166781 DC : 0 BS EN 50164-2 AMD 2 - LIGHTNING PROTECTION COMPONENTS (LPC) - PART 2: REQUIREMENTS FOR CONDUCTORS AND EARTH ELECTRODES
PD CLC/TR 50450:2006 Resistibility requirements for equipment having (a) telecommunication port(s)
08/30180781 DC : DRAFT APR 2008 BS EN 50164-6 - LIGHTNING PROTECTION COMPONENTS (LPC) - PART 6: REQUIREMENTS FOR LIGHTNING STRIKE COUNTERS
UNE-EN 62561-1:2012 Lightning Protection System Components (LPSC) - Part 1: Requirements for connection components
CLC/TS 50539-22:2010 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. CLC/TR 50450:2006 RESISTIBILITY REQUIREMENTS FOR EQUIPMENT HAVING (A) TELECOMMUNICATION PORT(S)
I.S. EN 50164-3:2006 LIGHTNING PROTECTION COMPONENTS (LPC) - PART 3: REQUIREMENTS FOR ISOLATING SPARK GAPS
I.S. EN 50164-2:2008 LIGHTNING PROTECTION COMPONENTS (LPC) - PART 2: REQUIREMENTS FOR CONDUCTORS AND EARTH ELECTRODES
CEI EN 62305-3 : 2013 PROTECTION AGAINST LIGHTNING - PART 3: PHYSICAL DAMAGE TO STRUCTURES AND LIFE HAZARD
CEI EN 62305-4 : 2013 PROTECTION CONTRE LA FOUDRE - PARTIE 4: RESEAUX DE PUISSANCE ET DE COMMUNICATION DANS LES STRUCTURES
UNE-EN 12186:2015 Gas infrastructure - Gas pressure regulating stations for transmission and distribution - Functional requirements
I.S. EN 12186:2014 GAS INFRASTRUCTURE - GAS PRESSURE REGULATING STATIONS FOR TRANSMISSION AND DISTRIBUTION - FUNCTIONAL REQUIREMENTS
I.S. EN 12779:2015 SAFETY OF WOODWORKING MACHINES - CHIP AND DUST EXTRACTION SYSTEMS WITH FIXED INSTALLATION - SAFETY RELATED PERFORMANCES AND SAFETY REQUIREMENTS
I.S. EN 13084-6:2015 FREE-STANDING CHIMNEYS - PART 6: STEEL LINERS - DESIGN AND EXECUTION
VDI 3786 Blatt 3:2012-10 Environmental meteorology - Meteorologial measurements - Air temperature
VDI 2166 Blatt 2:2015-10 Planning of electrical installations in buildings - Advice for electric mobility
VDI 3786 Blatt 4:2013-06 Environmental meteorology - Meteorological measurements - Air humidity
VDI 3564 Blatt 1:2017-05 Fire protection - Recommendations for high-bay warehouses
VDI 2262 Blatt 1:2013-06 Workplace air - Reduction of exposure to air pollutants - Legal principles, terms and definitions, basic organisational measures for industrial safety and environmental protection
PD CLC/TS 50539-12:2013 Low-voltage surge protective devices. Surge protective devices for specific application including d.c. Selection and application principles. SPDs connected to photovoltaic installations
08/30180770 DC : DRAFT APR 2008 BS EN 50164-3 AMD 1 - LIGHTNING PROTECTION COMPONENTS (LPC) - PART 3: REQUIREMENTS FOR ISOLATING SPARK GAPS
BS EN 50164-3 : 2006 LIGHTNING PROTECTION COMPONENTS (LPC) - PART 3: REQUIREMENTS FOR ISOLATING SPARK GAPS
I.S. EN 62858:2015 LIGHTNING DENSITY BASED ON LIGHTNING LOCATION SYSTEMS (LLS) - GENERAL PRINCIPLES
BS EN 50164-4:2008 Lightning protection components (LPC) Requirements for conductor fasteners
PD CLC/TS 62603-1:2014 Industrial process control systems. Guideline for evaluating process control systems Specifications
BS EN 62305-4:2011 Protection against lightning Electrical and electronic systems within structures
UNI CEN/TS 12977-1 : 2010 THERMAL SOLAR SYSTEMS AND COMPONENTS - CUSTOM BUILT SYSTEMS - PART 1: GENERAL REQUIREMENTS FOR SOLAR WATER HEATERS AND COMBISYSTEMS
UNE-EN 62561-2:2012 Lightning Protection System Components (LPSC) - Part 2: Requirements for conductors and earth electrodes
I.S. EN 62561-2:2012 LIGHTNING PROTECTION SYSTEM COMPONENTS (LPSC) - PART 2: REQUIREMENTS FOR CONDUCTORS AND EARTH ELECTRODES (IEC 62561-2:2012 (MOD))
PREN 12779 : DRAFT 2014 SAFETY OF WOODWORKING MACHINES - CHIPS AND DUST EXTRACTION SYSTEMS WITH FIXED INSTALLATIONS - SAFETY REQUIREMENTS
I.S. CLC TS 61643-22:2006 LOW-VOLTAGE SURGE PROTECTIVE DEVICES - PART 22: SURGE PROTECTIVE DEVICES CONNECTED TO TELECOMMUNICATIONS AND SIGNALLING NETWORKS - SELECTION AND APPLICATION PRINCIPLES
I.S. EN 62305-3:2011 PROTECTION AGAINST LIGHTNING - PART 3: PHYSICAL DAMAGE TO STRUCTURES AND LIFE HAZARD
I.S. EN 50164-4:2008 LIGHTNING PROTECTION COMPONENTS (LPC) - PART 4: REQUIREMENTS FOR CONDUCTOR FASTENERS
I.S. EN 62305-2:2012 PROTECTION AGAINST LIGHTNING - PART 2: RISK MANAGEMENT (IEC 62305-2:2010 (MOD))
UNE-EN 62305-3:2011 Protection against lightning -- Part 3: Physical damages to structures and life hazard
I.S. EN 62305-4:2011 PROTECTION AGAINST LIGHTNING - PART 4: ELECTRICAL AND ELECTRONIC SYSTEMS WITHIN STRUCTURES
I.S. EN 50164-1:2008 LIGHTNING PROTECTION COMPONENTS (LPC) - PART 1: REQUIREMENTS FOR CONNECTION COMPONENTS
CLC/TR 50450:2006 Resistibility requirements for equipment having (a) telecommunication port(s)
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
EN 12977-1:2018 Thermal solar systems and components - Custom built systems - Part 1: General requirements for solar water heaters and combisystems
DIN EN 12186:2014-12 GAS INFRASTRUCTURE - GAS PRESSURE REGULATING STATIONS FOR TRANSMISSION AND DISTRIBUTION - FUNCTIONAL REQUIREMENTS
DIN EN 12779:2016-03 Safety of woodworking machines - Chip and dust extraction systems with fixed installation - Safety requirements
UNE-EN 13084-6:2016 Free-standing chimneys - Part 6: Steel liners - Design and execution
DD CLC/TS 61643-12:2009 Low-voltage surge protective devices Surge protective devices connected to low-voltage power distribution systems. Selection and application principles
UNE-EN 62305-4:2011 Protection against lightning -- Part 4: Electrical and electronic systems within structures
EEMUA 207 : 2009 DOUBLE CONCRETE TANKS FOR LIQUEFIED GAS - GUIDE TO DESIGN, CONSTRUCTION AND OPERATION
UNI EN 12186 : 2014 GAS INFRASTRUCTURE - GAS PRESSURE REGULATING STATIONS FOR TRANSMISSION AND DISTRIBUTION - FUNCTIONAL REQUIREMENTS
EN 50164-3 : 2006 AMD 1 2009 LIGHTNING PROTECTION COMPONENTS (LPC) - PART 3: REQUIREMENTS FOR ISOLATING SPARK GAPS
DIN EN 12977-1:2016-08 (Draft) THERMAL SOLAR SYSTEMS AND COMPONENTS - CUSTOM BUILT SYSTEMS - PART 1: GENERAL REQUIREMENTS FOR SOLAR WATER HEATERS AND COMBISYSTEMS
CEI EN 61400-24 : 2011 WIND TURBINES - PART 24: LIGHTNING PROTECTION
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
BS EN 50164-2:2008 Lightning protection components (LPC) Requirements for conductors and earth electrodes
13/30294291 DC : 0 BS EN 62561-8 - LIGHTNING PROTECTION SYSTEM COMPONENTS (LPSC) - PART 8: REQUIREMENTS FOR COMPONENTS FOR ISOLATED LPS
13/30277110 DC : 0 BS EN 13243 - SAFETY REQUIREMENTS FOR CABLEWAY INSTALLATIONS DESIGNED TO CARRY PERSONS - ELECTRICAL EQUIPMENT OTHER THAN FOR DRIVE SYSTEMS
CEI EN 62305-2 : 2013 PROTECTION AGAINST LIGHTNING - PART 2: RISK MANAGEMENT
BS EN 12977-1:2012 Thermal solar systems and components. Custom built systems General requirements for solar water heaters and combisystems
05/30134962 DC : DRAFT JUN 2005 CENELEC TS 61643-22 - LOW-VOLTAGE SURGE PROTECTIVE DEVICES - PART 22: SURGE PROTECTIVE DEVICES CONNECTED TO TELECOMMUNICATIONS AND SIGNALLING NETWORKS - SELECTION AND APPLICATION PRINCIPLES
CEI CLC/TS 50539-12 : 2011 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
DD CLC/TS 61643-22:2006 Low-voltage surge protective devices Surge protective devices connected to telecommunications and signalling networks. Selection and application principles
I.S. EN 61400-24:2010 WIND TURBINES - PART 24: LIGHTNING PROTECTION
UNI EN 12977-1 : 2012 THERMAL SOLAR SYSTEMS AND COMPONENTS - CUSTOM BUILT SYSTEMS - PART 1: GENERAL REQUIREMENTS FOR SOLAR WATER HEATERS AND COMBISYSTEMS
I.S. EN 50164-7:2008 LIGHTNING PROTECTION COMPONENTS (LPC) - PART 7: REQUIREMENTS FOR EARTHING ENHANCING COMPOUNDS
I.S. EN 61822:2009 ELECTRICAL INSTALLATIONS FOR LIGHTING AND BEACONING OF AERODROMES - CONSTANT CURRENT REGULATORS
BS EN 12186:2014 Gas infrastructure. Gas pressure regulating stations for transmission and distribution. Functional requirements
UNE-CLC/TS 61643-12:2012 Low-voltage surge protective devices -- Part 12: Surge protective devices connected to low-voltage power distribution systems - Selection and application principles
BS EN 12779:2015 Safety of woodworking machines. Chip and dust extraction systems with fixed installation. Safety requirements
UNE-HD 60364-5-534:2016 Low-voltage electrical installations - Part 5-53: Selection and erection of electrical equipment - Isolation, switching and control - Clause 534: Devices for protection against transient overvoltages
17/30326406 DC : 0 BS EN 17168 - RAILWAY APPLICATIONS - PLATFORM BARRIER SYSTEMS
EI MODEL CODE SAFE PRACTICE PT1 : 2010 THE SELECTION, INSTALLATION, INSPECTION, AND MAINTENANCE OF ELECTRICAL AND NON ELECTRICAL APPARATUS IN HAZARDOUS AREAS
EI 1540 : 2014 DESIGN, CONSTRUCTION, COMMISSIONING, MAINTENANCE AND TESTING OF AVIATION FUELLING FACILITIES
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)
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
S.R. CLC/TS 62603-1:2014 INDUSTRIAL PROCESS CONTROL SYSTEMS - GUIDELINE FOR EVALUATING PROCESS CONTROL SYSTEMS - PART 1: SPECIFICATIONS
DD CLC/TS 50539-12:2010 Low-voltage surge protective devices. Surge protective devices for specific application including d.c. Selection and application principles. SPDs connected to photovoltaic installations
14/30292850 DC : 0 BS EN 12779 - SAFETY OF WOODWORKING MACHINES - CHIPS AND DUST EXTRACTION SYSTEMS WITH FIXED INSTALLATIONS - SAFETY REQUIREMENTS
BS EN 62305-2:2012 Protection against lightning Risk management
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
S.R. CLC/TS 50539-22:2010 LOW-VOLTAGE SURGE PROTECTIVE DEVICES - SURGE PROTECTIVE DEVICES FOR SPECIFIC APPLICATION INCLUDING D.C. - PART 22: SELECTION AND APPLICATION PRINCIPLES - WIND TURBINE APPLICATIONS
BS EN 61400-24:2010 Wind turbines Lightning protection
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 12977-1:2012 THERMAL SOLAR SYSTEMS AND COMPONENTS - CUSTOM BUILT SYSTEMS - PART 1: GENERAL REQUIREMENTS FOR SOLAR WATER HEATERS AND COMBISYSTEMS
I.S. EN 60794-3-60:2008 OPTICAL FIBRE CABLES - PART 3-60: OUTDOOR CABLES - FAMILY SPECIFICATION FOR DRINKING WATER PIPE CABLES AND SUBDUCTS FOR INSTALLATION BY BLOWING AND/OR PULLING/DRAGGING/FLOATING IN DRINKING WATER PIPES
UNE-EN 12779:2016 Safety of woodworking machines - Chip and dust extraction systems with fixed installation - Safety requirements
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
CEN/TS 12977-1:2010 Thermal solar systems and components - Custom built systems - Part 1: General requirements for solar water heaters and combisystems
EN 50164-5:2009 Lightning Protection Components (LPC) - Part 5: Requirements for earth electrode inspection housings and earth electrode seals
EN 61400-24:2010 Wind turbines - Part 24: Lightning protection
DIN EN 12977-1:2012-06 THERMAL SOLAR SYSTEMS AND COMPONENTS - CUSTOM BUILT SYSTEMS - PART 1: GENERAL REQUIREMENTS FOR SOLAR WATER HEATERS AND COMBISYSTEMS
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 62858:2015 Lightning density based on lightning location systems (LLS) - General principles
EN 13084-6:2015 Free-standing chimneys - Part 6: Steel liners - Design and execution
EN 50164-6:2009 Lightning Protection Components (LPC) - Part 6: Requirements for lightning strike counters
EN 62305-3:2011 Protection against lightning - Part 3: Physical damage to structures and life hazard
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

EN 62305-4:2011/AC:2016 PROTECTION AGAINST LIGHTNING - PART 4: ELECTRICAL AND ELECTRONIC SYSTEMS WITHIN STRUCTURES (IEC 62305-4:2010)
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
EN 62305-3:2011 Protection against lightning - Part 3: Physical damage to structures and life hazard
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 60664-1:2007 Insulation coordination for equipment within low-voltage systems - Part 1: Principles, requirements and tests
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 62305-4:2010 Protection against lightning - Part 4: Electrical and electronic systems within structures
IEC 62305-2:2010 Protection against lightning - Part 2: Risk management
IEC 60664-1:2007 Insulation coordination for equipment within low-voltage systems - Part 1: Principles, requirements and tests
IEC 62305-3:2010 Protection against lightning - Part 3: Physical damage to structures and life hazard

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