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  • IEC 61643-21:2000+AMD1:2008+AMD2:2012 CSV

    Current The latest, up-to-date edition.

    Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods

    Available format(s):  Hardcopy, PDF, PDF 3 Users, PDF 5 Users, PDF 9 Users

    Language(s):  English - French

    Published date:  27-07-2012

    Publisher:  International Electrotechnical Committee

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    Table of Contents - (Show below) - (Hide below)

    FOREWORD
    INTRODUCTION
    1 General
    2 Normative references
    3 Definitions
    4 Service and test conditions
    5 Requirements
    6 Type test
    Annex A (informative) - Devices with current-limiting
            components only
    Annex B (Void)
    Annex C (Void)
    Annex D (informative) - Measurement accuracy
    Annex E (informative) - Determination of let-through
            current (I[p])
    Annex F (informative) - Basic configurations for
            measuring U[p]
    Annex G (informative) - Special resistibility in
            telecommunication systems
    Bibliography

    Abstract - (Show below) - (Hide below)

    IEC 61643-21:2000+A1:2008+A2:2012 is applicable to devices for surge protection of telecommunications and signalling networks against indirect and direct effects of lightning or other transient overvoltages. The purpose of these SPDs is to protect modern electronic equipment connected to telecommunications and signalling networks with nominal system voltags up to 1 000 V (r.m.s.) a.c. and 1 500 V d.c. The contents of the corrigendum of March 2001 have been included in this copy. This consolidated version consists of the first edition (2000), its amendment 1 (2008) and amendment 2 (2012). Therefore, no need to order amendment in addition to this publication.

    General Product Information - (Show below) - (Hide below)

    Development Note Stability Date: 2020. (11/2017)
    Document Type Standard
    Publisher International Electrotechnical Committee
    Status Current

    Standards Referenced By This Book - (Show below) - (Hide below)

    14/30316036 DC : 0 BS EN 61643-32 - LOW-VOLTAGE SURGE PROTECTIVE DEVICES - SURGE PROTECTIVE DEVICES FOR SPECIFIC USE INCLUDING D.C. - PART 32: SELECTION AND APPLICATION PRINCIPLES - SPDS CONNECTED TO PHOTOVOLTAIC INSTALLATIONS
    BS EN 62475:2010 High-current test techniques. Definitions and requirements for test currents and measuring systems
    IEC 61643-352:2018 Components for low-voltage surge protection - Part 352: Selection and application principles for telecommunications and signalling network surge isolation transformers (SITs)
    UNE-EN 61400-24:2011 Wind turbines - Part 24: Lightning protection
    03/305095 DC : DRAFT MAR 2003 IEC 62305-4 - PROTECTION AGAINST LIGHTNING - PART 4: ELECTRICAL AND ELECTRONIC SYSTEMS WITHIN STRUCTURES
    15/30314469 DC : 0 BS EN 62548 ED.1 - PHOTOVOLTAIC (PV) ARRAYS - DESIGN REQUIREMENTS
    BS EN 61643-312:2013 Components for low-voltage surge protective devices Selection and application principles for gas discharge tubes
    BS IEC 61000-6-6:2003 Electromagnetic compatibility (EMC) Generic standards - HEMP immunity for indoor equipment
    CEI EN 62475 : 2011 HIGH-CURRENT TEST TECHNIQUES - DEFINITIONS AND REQUIREMENTS FOR TEST CURRENTS AND MEASURING SYSTEMS
    CEI EN 62305-1 : 2013 PROTECTION AGAINST LIGHTNING - PART 1: GENERAL PRINCIPLES
    10/30184592 DC : 0 BS EN 61643-311 ED 2.0 - COMPONENTS FOR LOW-VOLTAGE SURGE PROTECTIVE DEVICES - PART 311: TEST SPECIFICATION FOR GAS DISCHARGE TUBES
    BS EN 62305-3:2011 Protection against lightning Physical damage to structures and life hazard
    BS EN 61400-24:2010 Wind turbines Lightning protection
    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
    S.R. CLC/TS 61643-22:2016 LOW-VOLTAGE SURGE PROTECTIVE DEVICES - PART 22: SURGE PROTECTIVE DEVICES CONNECTED TO TELECOMMUNICATIONS AND SIGNALLING NETWORKS - SELECTION AND APPLICATION PRINCIPLES
    I.S. EN 61643-311:2013 COMPONENTS FOR LOW-VOLTAGE SURGE PROTECTIVE DEVICES - PART 311: PERFORMANCE REQUIREMENTS AND TEST CIRCUITS FOR GAS DISCHARGE TUBES (GDT) (IEC 61643-311:2013 (EQV))
    I.S. EN 61010-2-201:2013 SAFETY REQUIREMENTS FOR ELECTRICAL EQUIPMENT FOR MEASUREMENT, CONTROL AND LABORATORY USE - PART 2-201: PARTICULAR REQUIREMENTS FOR CONTROL EQUIPMENT (IEC 61010-2-201:2013 (EQV))
    I.S. EN 61000-4-5:2014 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 4-5: TESTING AND MEASUREMENT TECHNIQUES - SURGE IMMUNITY TEST
    NFPA 780 : 2017 INSTALLATION OF LIGHTNING PROTECTION SYSTEMS
    CSA C22.2 No. 62368-1 : 2014 AUDIO/VIDEO, INFORMATION AND COMMUNICATION TECHNOLOGY EQUIPMENT - PART 1: SAFETY REQUIREMENTS
    BS EN 61010-2-201:2013 Safety requirements for electrical equipment for measurement, control and laboratory use Particular requirements for control equipment
    CLC/TS 61643-22:2016 Low-voltage surge protective devices - Part 22: Surge protective devices connected to telecommunications and signalling networks - Selection and application principles
    EN 62305-4:2011/AC:2016 PROTECTION AGAINST LIGHTNING - PART 4: ELECTRICAL AND ELECTRONIC SYSTEMS WITHIN STRUCTURES (IEC 62305-4:2010)
    EN 60950-1:2006/A2:2013 INFORMATION TECHNOLOGY EQUIPMENT - SAFETY - PART 1: GENERAL REQUIREMENTS (IEC 60950-1:2005/A2:2013, MODIFIED)
    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)
    EN 62475 : 2010 HIGH-CURRENT TEST TECHNIQUES - DEFINITIONS AND REQUIREMENTS FOR TEST CURRENTS AND MEASURING SYSTEMS
    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
    PD CLC/TS 61643-22:2016 Low-voltage surge protective devices Surge protective devices connected to telecommunications and signalling networks. Selection and application principles
    15/30324832 DC BS EN 62305-4. Protection against lightning. Part 4. Electrical and electronic systems within structures
    04/30097421 DC : DRAFT APR 2004 IEC 60950-1 ED.2 - INFORMATION TECHNOLOGY EQUIPMENT - SAFETY - PART 1: GENERAL REQUIREMENTS
    15/30324817 DC BS EN 62305-1. Protection against lightning. Part 1. General principles
    CSA IEC 61400-24 : 2012 : R2017 WIND TURBINES - PART 24: LIGHTNING PROTECTION
    17/30347375 DC : 0 BS EN 62368-1 ED 3.0 - AUDIO/VIDEO; INFORMATION AND COMMUNICATION TECHNOLOGY EQUIPMENT - PART 1: SAFETY REQUIREMENTS
    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
    IEC 61000-6-6:2003 Electromagnetic compatibility (EMC) - Part 6-6: Generic standards - HEMP immunity for indoor equipment
    I.S. EN IEC 61643-352:2018 COMPONENTS FOR LOW-VOLTAGE SURGE PROTECTION - PART 352: SELECTI AND APPLICATION PRINCIPLES FOR TELECOMMUNICATIONS AND SIGNALLIN NETWORK SURGE ISOLATION TRANSFORMERS (SITS)
    BIS IS/IEC 61400-24 : 2010 WIND TURBINES - PART 24: LIGHTNING PROTECTION
    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
    IEC 61643-22:2015 Low-voltage surge protective devices - Part 22: Surge protective devices connected to telecommunications and signalling networks - Selection and application principles
    IEC 62305-3:2010 Protection against lightning - Part 3: Physical damage to structures and life hazard
    14/30311240 DC : 0 BS EN 61010-1 ED 3 AMD 1 - SAFETY REQUIREMENTS FOR ELECTRICAL EQUIPMENT FOR MEASUREMENT, CONTROL, AND LABORATORY USE - PART 1: GENERAL REQUIREMENTS
    BIS IS 13252-1 : 2010 AMD 1 2013 INFORMATION TECHNOLOGY EQUIPMENT - SAFETY - PART 1: GENERAL REQUIREMENTS
    BS EN 61643-311:2013 Components for low-voltage surge protective devices Performance requirements and test circuits for gas discharge tubes (GDT)
    00/246962 DC : DRAFT JAN 2001 IEC 61643-22 ED 1.0 - SURGE PROTECTIVE DEVICES CONNECTED TO TELECOMMUNICATIONS AND SIGNALING NETWORKS - PART 22: SELECTION AND APPLICATION PRINCIPLES
    BS EN 62305-1:2011 Protection against lightning General principles
    BS EN 62305-4:2011 Protection against lightning Electrical and electronic systems within structures
    10/30184605 DC : 0 BS EN 61643-313 ED 1.0 - COMPONENTS FOR LOW-VOLTAGE SURGE PROTECTIVE DEVICES - PART 313: SELECTION AND APPLICATION PRINCIPLES FOR GAS DISCHARGE TUBES (GDT)
    UNE-EN 61000-4-5:2015 Electromagnetic compatibility (EMC) - Part 4-5: Testing and measurement techniques - Surge immunity test
    IEC 61643-32:2017 Low-voltage surge protective devices - Part 32: Surge protective devices connected to the d.c. side of photovoltaic installations - Selection and application principles
    EN IEC 61204-7:2018 Low-voltage switch mode power supplies - Part 7: Safety requirements
    I.S. EN 62305-3:2011 PROTECTION AGAINST LIGHTNING - PART 3: PHYSICAL DAMAGE TO STRUCTURES AND LIFE HAZARD
    CLC/TR 50552 : 2010 HOME AND BUILDING ELECTRONIC SYSTEMS (HBES) - OPEN COMMUNICATION SYSTEM - INTERFACES - MEDIUM INTERFACE, TWISTED PAIR, CLASS 1
    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
    CAN/CSA-C22.2 NO. 61010-2-201:18 Safety requirements for electrical equipment for measurement, control, and laboratory use - Part 2-201: Particular requirements for control equipment (Adopted IEC 61020-2-201:2017, second edition, 2017-03, with Canadian deviations) | Exigences de sécurité pour appareils électriques de mesurage, de régulation et de laboratoire — Partie 2-201 : Exigences particulières pour les équipements de commande (norme IEC 61010-2-201:2017 adoptée, deuxième édition, 2017-03, avec exigences propres au Canada)
    I.S. EN IEC 61204-7:2018 LOW-VOLTAGE SWITCH MODE POWER SUPPLIES - PART 7: SAFETY REQUIREMENTS
    I.S. EN 60950-1:2006 INFORMATION TECHNOLOGY EQUIPMENT - SAFETY - PART 1: GENERAL REQUIREMENTS (IEC 60950-1:2005 (MOD))
    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
    IEC 61643-12:2008 Low-voltage surge protective devices - Part 12: Surge protective devices connected to low-voltage power distribution systems - Selection and application principles
    IEC 62368-1:2014 Audio/video, information and communication technology equipment - Part 1: Safety requirements
    IEC 61204-7:2016 EXV LOW-VOLTAGE SWITCH MODE POWER SUPPLIES - PART 7: SAFETY REQUIREMENTS
    IEC 61643-311:2013 Components for low-voltage surge protective devices - Part 311: Performance requirements and test circuits for gas discharge tubes (GDT)
    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
    CSA C22.2 No. 60950-1 :2007 INFORMATION TECHNOLOGY EQUIPMENT - SAFETY - PART 1: GENERAL REQUIREMENTS
    CSA C22.2 No. 60950-1 : 2007 : INC : AMD 1 : 2011 : R2012 INFORMATION TECHNOLOGY EQUIPMENT - SAFETY - PART 1: GENERAL REQUIREMENTS
    CSA C22.2 No. 60950-1 : 2007 : INC : AMD 2 : 2014 : R201200 INFORMATION TECHNOLOGY EQUIPMENT - SAFETY - PART 1: GENERAL REQUIREMENTS
    UNE-EN 60950-1:2007 Information technology equipment - Safety - Part 1: General requirements
    CSA C22.2 No. 60950-1 : 2007 : R2012 INFORMATION TECHNOLOGY EQUIPMENT - SAFETY - PART 1: GENERAL REQUIREMENTS
    CSA C22.2 No. 60950-1 : 2007 : INC : UPD 1 : 2011 INFORMATION TECHNOLOGY EQUIPMENT - SAFETY - PART 1: GENERAL REQUIREMENTS
    CSA C22.2 No. 60950-1 : 2007 : INC : AMD 2 : 2014 : R2016 INFORMATION TECHNOLOGY EQUIPMENT - SAFETY - PART 1: GENERAL REQUIREMENTS
    04/30116083 DC : DRAFT JUL 2004 IEC 62305-5 - PROTECTION AGAINST LIGHTNING - PART 5: SERVICES
    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
    IEC 62305-4:2010 Protection against lightning - Part 4: Electrical and electronic systems within structures
    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
    15/30324828 DC BS EN 62305-3. Protection against lightning. Part 3. Physical damage to structures and life hazard
    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
    07/30174637 DC : DRAFT DEC 2007 BS EN 62305-4 - PROTECTION AGAINST LIGHTNING - PART 4: ELECTRICAL AND ELECTRONIC SYSTEMS WITHIN STRUCTURES
    BS EN IEC 61643-352:2018 Components for low-voltage surge protection Selection and application principles for telecommunications and signalling network surge isolation transformers (SITs)
    CEI 103-1/12 : 2001 PRIVATE TELEPHONE EXCHANGES - PART 12: PROTECTION OF THE PRIVATE TELEPHONE EXCHANGES
    I.S. EN 61400-24:2010 WIND TURBINES - PART 24: LIGHTNING PROTECTION
    I.S. EN 62368-1:2014 AUDIO/VIDEO, INFORMATION AND COMMUNICATION TECHNOLOGY EQUIPMENT - PART 1: SAFETY REQUIREMENTS (IEC 62368-1:2014, MODIFIED)
    S.R. CLC/TR 50552:2010 HOME AND BUILDING ELECTRONIC SYSTEMS (HBES) - OPEN COMMUNICATION SYSTEM - INTERFACES - MEDIUM INTERFACE, TWISTED PAIR, CLASS 1
    I.S. EN 61643-312:2013 COMPONENTS FOR LOW-VOLTAGE SURGE PROTECTIVE DEVICES - PART 312: SELECTION AND APPLICATION PRINCIPLES FOR GAS DISCHARGE TUBES (IEC 61643-312:2013 (EQV) + CORRIGENDUM JUL. 2013 (EQV))
    EN 62368-1:2014/AC:2017-03 AUDIO/VIDEO, INFORMATION AND COMMUNICATION TECHNOLOGY EQUIPMENT - PART 1: SAFETY REQUIREMENTS (IEC 62368-1:2014, MODIFIED)
    EN IEC 61643-352:2018 Components for low-voltage surge protection - Part 352: Selection and application principles for telecommunications and signalling network surge isolation transformers (SITs)
    IEC 60950-1:2005+AMD1:2009+AMD2:2013 CSV Information technology equipment - Safety - Part 1: General requirements
    EN 61010-2-201:2013/AC:2013 SAFETY REQUIREMENTS FOR ELECTRICAL EQUIPMENT FOR MEASUREMENT, CONTROL AND LABORATORY USE - PART 2-201: PARTICULAR REQUIREMENTS FOR CONTROL EQUIPMENT (IEC 61010-2-201:2013)
    IEC 62475:2010 High-current test techniques - Definitions and requirements for test currents and measuring systems
    BS EN 60950-1 : 2006 INFORMATION TECHNOLOGY EQUIPMENT - SAFETY - PART 1: GENERAL REQUIREMENTS
    BS IEC 62548:2016 Photovoltaic (PV) arrays. Design requirements
    IEC 61010-2-201:2017 RLV Safety requirements for electrical equipment for measurement, control, and laboratory use - Part 2-201: Particular requirements for control equipment
    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
    BS EN 61000-4-5:2014 Electromagnetic compatibility (EMC) Testing and measurement techniques. Surge immunity test
    IEEE C62.33-1982 TEST METHODS AND PERFORMANCE VALUES FOR METAL-OXIDE VARISTOR SURGE PROTECTIVE COMPONENTS
    10/30184598 DC : 0 BS EN 61643-312 ED 1.0 - COMPONENTS FOR LOW-VOLTAGE SURGE PROTECTIVE DEVICES - PART 312: PERFORMANCE SPECIFICATION FOR GAS DISCHARGE TUBES (GDT)
    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
    CSA IEC 61400-24:2012 WIND TURBINES - PART 24: LIGHTNING PROTECTION
    09/30190333 DC : 0 BS EN 61400-24 - WIND TURBINES - PART 24: LIGHTNING PROTECTION
    UNE-EN 62475:2012 High-current test techniques - Definitions and requirements for test currents and measuring systems
    I.S. EN 62475:2010 HIGH-CURRENT TEST TECHNIQUES - DEFINITIONS AND REQUIREMENTS FOR TEST CURRENTS AND MEASURING SYSTEMS
    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
    CEI CLC/TR 50552 : 2013 HOME AND BUILDING ELECTRONIC SYSTEMS (HBES) - OPEN COMMUNICATION SYSTEM - INTERFACES - MEDIUM INTERFACE, TWISTED PAIR, CLASS 1
    I.S. EN 62305-1:2011 PROTECTION AGAINST LIGHTNING - PART 1: GENERAL PRINCIPLES
    IEC 62305-1:2010 Protection against lightning - Part 1: General principles
    IEC 61010-2-201 REDLINE : 2ED 2017 SAFETY REQUIREMENTS FOR ELECTRICAL EQUIPMENT FOR MEASUREMENT, CONTROL, AND LABORATORY USE - PART 2-201: PARTICULAR REQUIREMENTS FOR CONTROL EQUIPMENT
    IEC 61400-24:2010 Wind turbines - Part 24: Lightning protection
    14/30317823 DC : 0 BS EN 61010-2-201 ED. 2.0 - SAFETY REQUIREMENTS FOR ELECTRICAL EQUIPMENT FOR MEASUREMENT, CONTROL, AND LABORATORY USE - PART 2-201: PARTICULAR REQUIREMENTS FOR CONTROL EQUIPMENT
    EN 62305-4:2011/AC:2016-11 Protection against lightning - Part 4: Electrical and electronic systems within structures
    EN 61643-311:2013 Components for low-voltage surge protective devices - Part 311: Performance requirements and test circuits for gas discharge tubes (GDT)
    EN 61400-24:2010 Wind turbines - Part 24: Lightning protection
    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 62305-3:2011 Protection against lightning - Part 3: Physical damage to structures and life hazard
    EN 61643-312 : 2013 COMPONENTS FOR LOW-VOLTAGE SURGE PROTECTIVE DEVICES - PART 312: SELECTION AND APPLICATION PRINCIPLES FOR GAS DISCHARGE TUBES (IEC 61643-312:2013 + CORRIGENDUM JUL. 2013)

    Standards Referencing This Book - (Show below) - (Hide below)

    IEC 60060-2:2010 High-voltage test techniques - Part 2: Measuring systems
    IEC 60050-702:1992 International Electrotechnical Vocabulary (IEV) - Part 702: Oscillations, signals and related devices
    IEC 60068-1:2013 Environmental testing - Part 1: General and guidance
    IEC 60950:1999 Safety of information technology equipment
    AS IEC 62475:2019 High-current test techniques - Definitions and requirements for test currents and measuring systems
    IEC 61643-12:2008 Low-voltage surge protective devices - Part 12: Surge protective devices connected to low-voltage power distribution systems - Selection and application principles
    IEC 60364-5-51:2005 Electrical installations of buildings - Part 5-51: Selection and erection of electrical equipment - Common rules
    ISO/IEC 11801:2002 Information technology Generic cabling for customer premises
    IEEE C62.36-2014 TEST METHODS FOR SURGE PROTECTORS AND PROTECTIVE CIRCUITS USED IN INFORMATION AND COMMUNICATIONS TECHNOLOGY (ICT) CIRCUITS, AND SMART GRID DATA CIRCUITS
    IEC 60695-2-11:2014 Fire hazard testing - Part 2-11: Glowing/hot-wire based test methods - Glow-wire flammability test method for end-products (GWEPT)
    IEC 60068-2-38:2009 Environmental testing - Part 2-38: Tests - Test Z/AD: Composite temperature/humidity cyclic test
    IEC 60999-1:1999 Connecting devices - Electrical copper conductors - Safety requirements for screw-type and screwless-type clamping units - Part 1: General requirements and particular requirements for clamping units for conductors from 0,2 mm2 up to 35 mm2 (included)
    IEC 61643-22:2015 Low-voltage surge protective devices - Part 22: Surge protective devices connected to telecommunications and signalling networks - Selection and application 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
    IEC 60529:1989+AMD1:1999+AMD2:2013 CSV Degrees of protection provided by enclosures (IP Code)
    IEC 61643-11:2011 Low-voltage surge protective devices - Part 11: Surge protective devices connected to low-voltage power systems - Requirements and test methods
    IEC 60050-726:1982 International Electrotechnical Vocabulary (IEV) - Part 726: Transmission lines and waveguides
    IEC 60721-3-3:1994+AMD1:1995+AMD2:1996 CSV Classification of environmental conditions - Part 3-3: Classification of groups of environmental parameters and their severities - Stationary use at weatherprotected locations
    IEC 62305-4:2010 Protection against lightning - Part 4: Electrical and electronic systems within structures
    IEC 61180-1:1992 High-voltage test techniques for low voltage equipment - Part 1: Definitions, test and procedure requirements
    IEC 60060-1:2010 High-voltage test techniques - Part 1: General definitions and test requirements
    IEC 61083-1:2001 Instruments and software used for measurement in high-voltage impulse tests - Part 1: Requirements for instruments
    IEC 60664-1:2007 Insulation coordination for equipment within low-voltage systems - Part 1: Principles, requirements and tests
    IEC 60068-2-30:2005 Environmental testing - Part 2-30: Tests - Test Db: Damp heat, cyclic (12 h + 12 h cycle)
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