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  • EN 50020:2002

    View superseded by
    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    Electrical apparatus for potentially explosive atmospheres - Intrinsic safety 'i'

    Available format(s): 

    Superseded date:  01-01-2007

    Language(s): 

    Published date:  14-06-2002

    Publisher:  European Committee for Standards - Electrical

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

    1. Scope
    2. Normative references
    3. Definitions
    4. Grouping and classification of intrinsically safe
        apparatus and associated apparatus
    5. Intrinsically safe levels of protection of electrical
        apparatus
    6. Apparatus construction
    7. Components on which intrinsic safety depends
    8. Infallible components, infallible assemblies of
        components and infallible connections
    9. Diode safety barriers
    10. Type verifications and type tests
    11. Routine verifications and tests
    12. Marking
    13. Documentation
    Annex A (normative) Assessment of intrinsically safe circuits
    Annex B (normative) Spark test apparatus for intrinsically safe
            circuits
    Annex C (informative) Measurement of creepage distances,
            clearances and separation distances through casting
            compound and through solid insulation
    Annex D (normative) Encapsulation
    Annex E (normative) Certification requirements for torches

    Abstract - (Show below) - (Hide below)

    Specifies the construction and testing of intrinsically safe apparatus, meant for use in potentially explosive atmospheres and for associated apparatus, which is meant for connection to intrinsically safe circuits which enter such atmospheres. Coverage includes: documentation, marking, and diode safety barriers. Also gives detailed definitions and annexes.

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

    Committee CLC/TC 31
    Development Note To be read in conjunction with EN 50014:1997. (09/2002)
    Document Type Standard
    Publisher European Committee for Standards - Electrical
    Status Superseded
    Superseded By

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

    IEEE 303-2004 IEEE Recommended Practice for Auxiliary Devices for Rotating Electrical Machines in Class I, Division 2 and Zone 2 Locations
    SAE AS 5116 : 2003 MINIMUM OPERATIONAL PERFORMANCE SPECIFICATION FOR GROUND ICE DETECTION SYSTEMS
    I.S. EN 145:1998 RESPIRATORY PROTECTIVE DEVICES - SELF-CONTAINED CLOSED-CIRCUIT BREATHING APPARATUS COMPRESSED OXYGEN OR COMPRESSED OXYGEN-NITROGEN TYPE - REQUIREMENTS, TESTING, MARKING
    03/119040 DC : DRAFT NOV 2003 PREN 1010-1 - SAFETY OF MACHINERY - SAFETY REQUIREMENTS FOR THE DESIGN AND CONSTRUCTION OF PRINTING AND PAPER CONVERTING MACHINES - PART 1: COMMON REQUIREMENTS
    DIN EN 14593-1:2005-07 RESPIRATORY PROTECTIVE DEVICES - COMPRESSED AIR LINE BREATHING APPARATUS WITH DEMAND VALVE - PART 1: APPARATUS WITH A FULL FACE MASK - REQUIREMENTS, TESTING, MARKING
    02/710618 DC : DRAFT SEP 2002 BS EN 13852-2 - CRANES - OFFSHORE CRANES - PART 2: FLOATING CRANES
    PD CLC/TR 50427:2004 Assessment of inadvertent ignition of flammable atmospheres by radio-frequency radiation. Guide
    DD CEN/TS 13763-27:2003 Explosives for civil uses. Detonators and relays Definitions, methods and requirements for electronic initiation systems
    97/720419 DC : DRAFT DEC 1997 PREN 1009-3 - FEEDING, CRUSHING, MILLING, SIZING AND SORTING MACHINES FOR MECHANICAL PROCESSING OF MINERALS AND SIMILAR SOLID MATERIALS - SAFETY - PART 3: CRUSHING AND MILLING MACHINERY
    94/712993 DC : DRAFT NOV 1994 PREN 45511 - GUIDE FOR PROCUREMENT - ELECTRICAL EQUIPMENT - SWITCHGEAR AND CONTROLGEAR
    BS EN 50054:1999 Electrical apparatus for the detection and measurement of combustible gases. General requirements and test methods
    BS EN 50033:1991 Specification for construction and testing of miners\' caplamps in relation to the risk of explosion, for mines susceptible to firedamp
    10/30227671 DC : 0 BS EN 14678-1 - LPG EQUIPMENT AND ACCESSORIES - CONSTRUCTION AND PERFORMANCE OF LPG EQUIPMENT FOR AUTOMOTIVE FILLING STATIONS - PART 1: DISPENSERS
    I.S. CLC TR 50427:2005 ASSESSMENT OF INADVERTENT IGNITION OF FLAMMABLE ATMOSPHERES BY RADIO-FREQUENCY RADIATION - GUIDE
    04/30115503 DC : DRAFT JUN 2004 EN 14986 - DESIGN OF FANS WORKING IN POTENTIALLY EXPLOSIVE ATMOSPHERES
    VDE 0660-212 : 2000 LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 5-6: CONTROL CIRCUIT DEVICES AND SWITCHING ELEMENTS - DC INTERFACE FOR PROXIMITY SENSORS AND SWITCHING AMPLIFIERS (NAMUR)
    07/30166909 DC : DRAFT AUG 2007 BS EN 15714-2 - INDUSTRIAL VALVES - ACTUATORS - PART 2: ELECTRIC ACTUATORS FOR INDUSTRIAL VALVES - BASIC REQUIREMENTS
    DIN EN 45510-2-7:2003-12 GUIDE FOR PROCUREMENT OF POWER STATION EQUIPMENT - PART 2-7: ELECTRICAL EQUIPMENT - SWITCHGEAR AND CONTROLGEAR
    BS EN 50019:2000 Electrical apparatus for potentially explosive atmospheres. Increased safety \'e\'
    CEI EN 50033 : 1998 ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - CAPLAMPS FOR MINES SUSCEPTIBLE TO FIREDAMP
    BS EN 50021:1999 Electrical apparatus for potentially explosive atmospheres. Type of prot ection \'n\'
    I.S. EN 61779-1:2003 ELECTRICAL APPARATUS FOR THE DETECTION AND MEASUREMENT OF FLAMMABLE GASES - PART 1: GENERAL REQUIREMENTS AND TEST METHODS
    DIN EN 60947-5-6 : 2000 LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 5-6: CONTROL CIRCUIT DEVICES AND SWITCHING ELEMENTS, DC INTERFACE FOR PROXIMITY SENSORS AND SWITCHING AMPLIFIERS (NAMUR)
    DIN EN 13763-26:2004-11 Explosives for civil uses - Detonators and relays - Part 26: Definitions, methods and requirements for devices and accessories for reliable and safe function of detonators and relays; German version EN 13763-26:2004
    DIN EN 13135-1:2011-04 CRANES - EQUIPMENT - PART 1: ELECTROTECHNICAL EQUIPMENT
    DIN EN 12012-3:2010-02 PLASTICS AND RUBBER MACHINES - SIZE REDUCTION MACHINES - PART 3: SAFETY REQUIREMENTS FOR SHREDDERS
    BS EN 13763-26:2004 Explosives for civil uses. Detonators and relays Definitions, methods and requirements for devices and accessories for reliable and safe functioning of detonators and relays
    BS EN 13616:2004 Overfill prevention devices for static tanks for liquid petroleum fuels
    BS EN 12921-1 : 2005 MACHINES FOR SURFACE CLEANING AND PRE-TREATMENT OF INDUSTRIAL ITEMS USING LIQUIDS OR VAPOURS - PART 1: COMMON SAFETY REQUIREMENTS
    EN 12753:2005+A1:2010 Thermal cleaning systems for exhaust gas from surface treatment equipment - Safety requirements
    DIN EN 137:2007-01 RESPIRATORY PROTECTIVE DEVICES - SELF-CONTAINED OPEN-CIRCUIT COMPRESSED AIR BREATHING APPARATUS WITH FULL FACE MASK - REQUIREMENTS, TESTING, MARKING
    DIN EN 12312-5:2009-08 Aircraft ground support equipment - Specific requirements - Part 5: Aircraft fuelling equipment (includes Amendment A1:2009)
    HD 637 S1:1999/corrigendum:2005 POWER INSTALLATIONS EXCEEDING 1 KV A.C.
    EN 61784-5-3:2013 Industrial communication networks - Profiles - Part 5-3: Installation of fieldbuses - Installation profiles for CPF 3
    EN 50021 : 99 COR 2000 ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - TYPE OF PROTECTION "N"
    EN 12405 : 2002 GAS METERS - GAS-VOLUME ELECTRONIC CONVERSION DEVICES
    EN 50381 : 2004 COR 2005 TRANSPORTABLE VENTILATED ROOMS WITH OR WITHOUT AN INTERNAL SOURCE OF RELEASE
    DIN EN ISO 12100-2:2004-04 SAFETY OF MACHINERY - BASIC CONCEPTS, GENERAL PRINCIPLES FOR DESIGN - PART 2: TECHNICAL PRINCIPLES
    EN 13616:2004/AC:2006 OVERFILL PREVENTION DEVICES FOR STATIC TANKS FOR LIQUID PETROLEUM FUELS
    EN 12921-1:2005+A1:2010 Machines for surface cleaning and pre-treatment of industrial items using liquids or vapours - Part 1: Common safety requirements
    EN 12215:2004+A1:2009 Coating plants - Spray booths for application of organic liquid coating materials - Safety requirements
    EN 50073:1999 Guide for selection, installation, use and maintenance of apparatus for the detection and measurement of combustible gases or oxygen
    EN 12757-1:2005+A1:2010 Mixing machinery for coating materials - Safety requirements - Part 1: Mixing machinery for use in vehicle refinishing
    EN 12499:2003/AC:2006 INTERNAL CATHODIC PROTECTION OF METALLIC STRUCTURES
    EN 12012-3:2001+A1:2008 Plastics and rubber machines - Size reduction machines - Part 3: Safety requirements for shredders
    EN 50014:1997/A2:1999 ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - GENERAL REQUIREMENTS
    EN 12012-2:2001+A2:2008 Plastics and rubber machines - Size reduction machines - Part 2: Safety requirements for strand pelletisers
    DIN EN 14492-2:2010-05 CRANES - POWER DRIVEN WINCHES AND HOISTS - PART 2: POWER DRIVEN HOISTS
    EN 50054:1998 Electrical apparatus for the detection and measurement of combustible gases - General requirements and test methods
    06/30150265 DC : 0 EN 1474-1 - INSTALLATION AND EQUIPMENT FOR LIQUEFIED NATURAL GAS - DESIGN AND TESTING OF MARINE TRANSFER SYSTEMS - PART 1: DESIGN AND TESTING OF TRANSFER ARMS
    UNI EN ISO 8230-3 : 2009 SAFETY REQUIREMENTS FOR DRY-CLEANING MACHINES - PART 3: MACHINES USING COMBUSTIBLE SOLVENTS
    02/637047 DC : DRAFT APR 2002 BS EN 50174-3 - INFORMATION TECHNOLOGY - CABLING INSTALLATION - PART 3: INSTALLATION PLANNING AND PRACTICES OUTSIDE BUILDINGS
    CEI EN 50394-1 : 2005 ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - GROUP 1 - INSTRINSICALLY SAFE SYSTEMS - PARTE 1: COSTRUZIONI E PROVE
    I.S. EN 12405:2002 GAS METERS - GAS-VOLUME ELECTRONIC CONVERSION DEVICES
    04/30115023 DC : DRAFT JUL 2004 CLC TR 50427 - ASSESSMENT OF INADVERTENT IGNITION OF FLAMMABLE ATMOSPHERES BY RADIO-FREQUENCY RADIATION - GUIDE
    BS EN 45510-2-7:2002 Guide for the procurement of power station equipment. Electrical equipment Switchgear and controlgear
    BS EN 50281-1-1:1999 Electrical apparatus for use in the presence of combustible dust. Electrical apparatus protected by enclosures Construction and testing
    CLC/TR 50404:2003 Electrostatics - Code of practice for the avoidance of hazards due to static electricity
    BS EN 50227:1999 Control circuit devices and switching elements proximity sensors, d.c. interface for proximity sensors and switching amplifiers (NAMUR)
    05/30132851 DC : DRAFT APR 2005 EN 15208 - TANKS FOR TRANSPORT OF DANGEROUS GOODS - SEALED PARCEL DELIVERY SYSTEMS - WORKING PRINCIPLES AND INTERFACE SPECIFICATIONS
    CSA PLUS 2203 : 2001 HAZARDOUS LOCATIONS - GUIDE FOR THE DESIGN, TESTING, CONSTRUCTION, AND INSTALLATION OF EQUIPMENT IN EXPLOSIVE ATMOSPHERES
    05/30127970 DC : DRAFT JAN 2005 EN 1127-1 - EXPLOSIVE ATMOSPHERES - EXPLOSION PREVENTION AND PROTECTION - PART 1: BASIC CONCEPTS AND METHODOLOGY
    CEI UNI EN 45510-2-7 : 2006 GUIDE FOR PROCUREMENT OF POWER STATION EQUIPMENT - PART 2-7: ELECTRICAL EQUIPMENT - SWITCHGEAR AND CONTROLGEAR
    BS EN 50381:2004 Transportable ventilated rooms with or without an internal source of release
    BS EN 50016:2002 Electrical apparatus for potentially explosive atmospheres. Pressurized apparatus \'p\'
    ISA 12.13.01 : 2003 PERFORMANCE REQUIREMENTS FOR COMBUSTIBLE GAS DETECTORS
    SAE AS 6479 : 2014 SPLICER, FUSION, FIBER OPTIC, AEROSPACE
    NF EN 50303 : 2000 GROUP I, CATEGORY M1 EQUIPMENT INTENDED TO REMAIN FUNCTIONAL IN ATMOSPHERES ENDANGERED BY FIREDAMP AND/OR COAL DUST
    I.S. EN 50059:1991 SPECIFICATION FOR ELECTROSTATIC HAND-HELD SPRAYING EQUIPMENT FOR NON-FLAMMABLE MATERIAL FOR PAINTING AND FINISHING
    VDE 0745-200 : 1992 SPECIFICATION FOR ELECTROSTATIC HAND-HELD SPRAYING EQUIPMENT FOR NON-FLAMMABLE MATERIAL FOR PAINTING AND FINISHING
    I.S. EN 14492-2:2006 CRANES - POWER DRIVEN WINCHES AND HOISTS - PART 2: POWER DRIVEN HOISTS
    DIN EN 12215:2010-06 COATING PLANTS - SPRAY BOOTHS FOR APPLICATION OF ORGANIC LIQUID COATING MATERIALS - SAFETY REQUIREMENTS
    DIN EN 12981:2010-06 COATING PLANTS - SPRAY BOOTHS FOR APPLICATION OF ORGANIC POWDER COATING MATERIAL - SAFETY REQUIREMENTS
    DIN EN 15198 E : 2007 METHODOLOGY FOR THE RISK ASSESSMENT OF NON-ELECTRICAL EQUIPMENT AND COMPONENTS FOR INTENDED USE IN POTENTIALLY EXPLOSIVE ATMOSPHERES
    BS EN 12757-1 : 2005 MIXING MACHINERY FOR COATING MATERIALS - SAFETY REQUIREMENTS - PART 1: MIXING MACHINERY FOR USE IN VEHICLE REFINISHING
    BS EN 12981 : 2005 COATING PLANTS - SPRAY BOOTHS FOR APPLICATION OF ORGANIC POWDER COATING MATERIAL - SAFETY REQUIREMENTS
    I.S. EN 14492-1:2006 CRANES - POWER DRIVEN WINCHES AND HOISTS - PART 1: POWER DRIVEN WINCHES
    DIN EN 12012-2:2010-02 PLASTICS AND RUBBER MACHINES - SIZE REDUCTION MACHINES - PART 2: SAFETY REQUIREMENTS FOR STRAND PELLETISERS
    I.S. EN 137:2006 RESPIRATORY PROTECTIVE DEVICES - SELF-CONTAINED OPEN-CIRCUIT COMPRESSED AIR BREATHING APPARATUS WITH FULL FACE MASK - REQUIREMENTS, TESTING, MARKING
    I.S. EN 12757-1:2005 MIXING MACHINERY FOR COATING MATERIALS - SAFETY REQUIREMENTS - PART 1: MIXING MACHINERY FOR USE IN VEHICLE REFINISHING
    I.S. EN 12215:2004 COATING PLANTS - SPRAY BOOTHS FOR APPLICATION OF ORGANIC LIQUID COATING MATERIALS - SAFETY REQUIREMENTS
    DIN EN 14492-1:2010-06 Cranes - Power driven winches and hoists - Part 1: Power driven winches (includes Amendment A1:2009)
    DIN EN 13616:2004-09 OVERFILL PREVENTION DEVICES FOR STATIC TANKS FOR LIQUID PETROLEUM FUELS
    I.S. EN 12981:2005 COATING PLANTS - SPRAY BOOTHS FOR APPLICATION OF ORGANIC POWDER COATING MATERIAL - SAFETY REQUIREMENTS
    I.S. EN 12921-3:2005 MACHINES FOR SURFACE CLEANING AND PRE-TREATMENT OF INDUSTRIAL ITEMS USING LIQUIDS OR VAPOURS - PART 3: SAFETY OF MACHINES USING FLAMMABLE CLEANING LIQUIDS
    DIN EN 13135-1:2004-05 CRANES - EQUIPMENT - PART 1: ELECTROTECHNICAL EQUIPMENT
    DIN EN 13852-2:2005-03 Cranes - Offshore cranes - Part 2: Floating cranes
    DIN EN 12405:2003-10 GAS METERS - GAS-VOLUME ELECTRONIC CONVERSION DEVICES
    I.S. EN 12312-5:2005 AIRCRAFT GROUND SUPPORT EQUIPMENT - SPECIFIC REQUIREMENTS - PART 5: AIRCRAFT FUELLING EQUIPMENT
    DIN EN 13636:2004-10 Cathodic protection of buried metallic tanks and related piping; German version EN 13636:2004
    I.S. EN 12012-3:2001 PLASTICS AND RUBBER MACHINES - SIZE REDUCTION MACHINES - PART 3: SAFETY REQUIREMENTS FOR SHREDDERS
    EN 12312-5:2005+A1:2009 Aircraft ground support equipment - Specific requirements - Part 5: Aircraft fuelling equipment
    I.S. EN 12012-2:2001 PLASTICS AND RUBBER MACHINES - SIZE REDUCTION MACHINES - PART 2: SAFETY REQUIREMENTS FOR STRAND PELLETISERS
    DIN EN 12012-2:2004-03 PLASTICS AND RUBBER MACHINES - SIZE REDUCTION MACHINES - PART 2: SAFETY REQUIREMENTS FOR STRAND PELLETISERS
    I.S. EN 12753:2005 THERMAL CLEANING SYSTEMS FOR EXHAUST GAS FROM SURFACE TREATMENT EQUIPMENT - SAFETY REQUIREMENTS
    I.S. EN 12921-1:2005 MACHINES FOR SURFACE CLEANING AND PRE-TREATMENT OF INDUSTRIAL ITEMS USING LIQUIDS OR VAPOURS - PART 1: COMMON SAFETY REQUIREMENTS
    UNI EN 764-7 : 2004 PRESSURE EQUIPMENT - SAFETY SYSTEMS FOR UNFIRED PRESSURE EQUIPMENT
    VDE 0165-10 : 1999 ELECTRICAL APPARATUS FOR EXPLOSIVE GAS ATMOSPHERES - PART 17: INSPECTION AND MAINTENANCE OF ELECTRICAL INSTALLATIONS IN HAZARDOUS AREAS (OTHER THAN MINES)
    DIN EN 50303 : 2001-05 GROUP 1, CATEGORY M1 EQUIPMENT INTENDED TO REMAIN FUNCTIONAL IN ATMOSPHERES ENDANGERED BY FIREDAMP AND/OR COAL DUST
    VDE 0400-40-1 : 2000 AMD 1 2004 SPECIFICATION FOR OPEN PATH APPARATUS FOR THE DETECTION OF COMBUSTIBLE OR TOXIC GASES AND VAPOURS - PART 1: GENERAL REQUIREMENTS AND TEST METHODS
    VDE 0170-12-2 : 2001-05 GROUP 1, CATEGORY M1 EQUIPMENT INTENDED TO REMAIN FUNCTIONAL IN ATMOSPHERES ENDANGERED BY FIREDAMP AND/OR COAL DUST
    VDI/VDE 2184:2008-06 Reliable operation and maintenance of field bus systems
    BS EN 50394-1:2004 Electrical apparatus for potentially explosive atmospheres. Group I. Intrinsically safe systems Construction and testing
    BS EN 50018:2000 Electrical apparatus for potentially explosive atmospheres. Flameproof enclosure \'d\'
    CLC/TR 50427:2004 Assessment of inadvertent ignition of flammable atmospheres by radio-frequency radiation - Guide
    00/707659 DC : DRAFT APR 2000 PREN 13852-1 - CRANES - OFFSHORE CRANES - PART 1: GENERAL PURPOSE OFFSHORE CRANES
    04/30124466 DC : DRAFT OCT 2004 EN 12405-1 - GAS METERS - CONVERSION DEVICES - PART 1: VOLUME CONVERSION
    BS EN 50241-1:1999 Specification for open path apparatus for the detection of combustible or toxic gases and vapours General requirements and test methods
    04/30112677 DC : 0 IEC 61779-1 ED.2 - ELECTRICAL APPARATUS FOR THE DETECTION AND MEASUREMENT OF FLAMMABLE GASES - PART 1: GENERAL REQUIREMENTS AND TEST METHODS
    BS EN 50015:1998 Electrical apparatus for potentially explosive atmospheres. Oil immersion \'o\'
    DIN EN ISO 8230-3:2009-05 SAFETY REQUIREMENTS FOR DRY-CLEANING MACHINES - PART 3: MACHINES USING COMBUSTIBLE SOLVENTS
    97/720418 DC : DRAFT DEC 1997 EN 1009-2 - FEEDING, CRUSHING, MILLING, SIZING AND SORTING MACHINES FOR MECHANICAL PROCESSING OF MINERALS AND SIMILAR SOLID MATERIALS - SAFETY - PART 2: FEEDING MACHINERY
    05/30131803 DC : DRAFT APR 2005 EN 15198 - METHODOLOGY FOR THE IGNITION HAZARD ASSESSMENT OF NON-ELECTRICAL EQUIPMENT AND COMPONENTS FOR INTENDED USE IN POTENTIALLY EXPLOSIVE ATMOSPHERES
    BS EN 50014:1998 Electrical apparatus for potentially explosive atmospheres. General requirements
    DIN VDE 0745-200 : 1992 SPECIFICATION FOR ELECTROSTATIC HAND-HELD SPRAYING EQUIPMENT FOR NON-FLAMMABLE MATERIAL FOR PAINTING AND FINISHING
    EN 50059:1990 Specification for electrostatic hand-held spraying equipment for non-flammable material for painting and finishing
    I.S. EN 50018:2001 ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - FLAMEPROOF ENCLOSURE "D"
    CEI EN 50381 : 2006 TRANSPORTABLE VENTILATED ROOMS WITH OR WITHOUT AN INTERNAL SOURCE OF RELEASE
    I.S. EN 45510-2-7:2002 GUIDE FOR PROCUREMENT OF POWER STATION EQUIPMENT - PART 2-7: ELECTRICAL EQUIPMENT - SWITCHGEAR AND CONTROLGEAR
    DIN EN 12921-1:2011-02 Machines for surface cleaning and pre-treatment of industrial items using liquids or vapours - Part 1: Common safety requirements (includes Amendment A1:2010)
    I.S. EN 50394-1:2004 ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - GROUP 1 - INTRINSICALLY SAFE SYSTEMS; PART 1: CONSTRUCTION AND TESTING
    DIN EN 1710:2008-08 EQUIPMENT AND COMPONENTS INTENDED FOR USE IN POTENTIALLY EXPLOSIVE ATMOSPHERES IN UNDERGROUND MINES
    EEMUA 186 : 2016 A PRACTITIONER'S HANDBOOK FOR POTENTIALLY EXPLOSIVE ATMOSPHERES
    DIN EN 12312-5 E : 2009 AIRCRAFT GROUND SUPPORT EQUIPMENT - SPECIFIC REQUIREMENTS - PART 5: AIRCRAFT FUELLING EQUIPMENT
    BS EN 292-2:1991 Safety of machinery. Basic concepts, general principles for design Technical principles and specifications
    BS EN 12921-3 : 2005 MACHINES FOR SURFACE CLEANING AND PRE-TREATMENT OF INDUSTRIAL ITEMS USING LIQUIDS OR VAPOURS - PART 3: SAFETY OF MACHINES USING FLAMMABLE CLEANING LIQUIDS
    BS EN 12312-5 : 2005 AIRCRAFT GROUND SUPPORT EQUIPMENT - SPECIFIC REQUIREMENTS - PART 5: AIRCRAFT FUELLING EQUIPMENT
    BS EN 12215 : 2004 COATING PLANTS - SPRAY BOOTHS FOR APPLICATION OF ORGANIC LIQUID COATING MATERIALS - SAFETY REQUIREMENTS
    DIN EN 15198:2007-11 Methodology for the risk assessment of non-electrical equipment and components for intended use in potentially explosive atmospheres
    BS EN 12753 : 2005 THERMAL CLEANING SYSTEMS FOR EXHAUST GAS FROM SURFACE TREATMENT EQUIPMENT - SAFETY REQUIREMENTS
    EN 13763-26 : 2004 EXPLOSIVES FOR CIVIL USES - DETONATORS AND RELAYS - PART 26: DEFINITIONS, METHODS AND REQUIREMENTS FOR DEVICES AND ACCESSORIES FOR RELIABLE AND SAFE FUNCTION OF DETONATORS AND RELAYS
    EN 137:2006 Respiratory protective devices - Self-contained open-circuit compressed air breathing apparatus with full face mask - Requirements, testing, marking
    UNI EN 12921-1 : 2010 MACHINES FOR SURFACE CLEANING AND PRE- TREATMENT OF INDUSTRIAL ITEMS USING LIQUIDS OR VAPOURS - PART 1: COMMON SAFETY REQUIREMENTS
    EN 50016:2002 Electrical apparatus for potentially explosive atmospheres - Pressurized apparatus "p"
    UNI EN ISO 12100-2 : 2009 SAFETY OF MACHINERY - BASIC CONCEPTS, GENERAL PRINCIPLES FOR DESIGN - PART 2: TECHNICAL PRINCIPLES
    UNI EN 12981 : 2009 COATING PLANTS - SPRAY BOOTHS FOR APPLICATION OF ORGANIC POWDER COATING MATERIAL - SAFETY REQUIREMENTS
    UNI EN 12012-3 : 2008 PLASTICS AND RUBBER MACHINES - SIZE REDUCTION MACHINES - PART 3: SAFETY REQUIREMENTS FOR SHREDDERS
    UNI EN 12757-1 : 2010 MIXING MACHINERY FOR COATING MATERIALS - SAFETY REQUIREMENTS - PART 1: MIXING MACHINERY FOR USE IN VEHICLE REFINISHING
    EN 50241-1 : 99 AMD 1 2004 SPECIFICATION FOR OPEN PATH APPARATUS FOR THE DETECTION OF COMBUSTIBLE OR TOXIC GASES AND VAPOURS - PART 1: GENERAL REQUIREMENTS AND TEST METHODS
    UNI EN 13616 : 2004 OVERFILL PREVENTION DEVICES FOR STATIC TANKS FOR LIQUID PETROLEUM FUELS
    UNI EN 12753 : 2010 THERMAL CLEANING SYSTEMS FOR EXHAUST GAS FROM SURFACE TREATMENT EQUIPMENT - SAFETY REQUIREMENTS
    UNI EN 14492-2 : 2009 CRANES - POWER DRIVEN WINCHES AND HOISTS - PART 2: POWER DRIVEN HOISTS
    UNI EN 1710 : 2008 EQUIPMENT AND COMPONENTS INTENDED FOR USE IN POTENTIALLY EXPLOSIVE ATMOSPHERES IN UNDERGROUND MINES
    UNI EN 12012-2 : 2008 PLASTICS AND RUBBER MACHINES - SIZE REDUCTION MACHINES - PART 2: SAFETY REQUIREMENTS FOR STRAND PELLETISERS
    UNI EN 12215 : 2010 COATING PLANTS - SPRAY BOOTHS FOR APPLICATION OF ORGANIC LIQUID COATING MATERIALS - SAFETY REQUIREMENTS
    UNI EN 14492-1 : 2009 CRANES - POWER DRIVEN WINCHES AND HOISTS - PART 1: POWER DRIVEN WINCHES
    UNI EN 12921-3 : 2009 MACHINES FOR SURFACE CLEANING AND PRE- TREATMENT OF INDUSTRIAL ITEMS USING LIQUIDS OR VAPOURS - PART 3: SAFETY OF MACHINES USING FLAMMABLE CLEANING LIQUIDS
    EN 50281-1-1 : 98 AMD 1 2002 ELECTRICAL APPARATUS PROTECTED BY ENCLOSURES - CONSTRUCTION AND TESTING FOR USE IN THE PRESENCE OF COMBUSTIBLE DUST - ELECTRICAL APPARATUS PROTECTED BY ENCLOSURES - CONSTRUCTION AND TESTING
    UNI EN 13135-1 : 2010 CRANES - EQUIPMENT - PART 1: ELECTROTECHNICAL EQUIPMENT
    02/564413 DC : DRAFT OCT 2002 PREN 14583 - WORKPLACE ATMOSPHERES - VOLUMETRIC BIOAEROSOL SAMPLING DEVICES - REQUIREMENTS AND TEST METHODS
    03/300203 DC : DRAFT FEB 2003 EN 50394-1 - ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - GROUP 1: INTRINSICALLY SAFE SYSTEMS - PART 1: CONSTRUCTION AND TESTING
    DIN EN 50014 : 2000 ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - GENERAL REQUIREMENTS
    I.S. EN 12941:1998 RESPIRATORY PROTECTIVE DEVICES - POWERED FILTERING DEVICES INCORPORATING A HELMET OR A HOOD - REQUIREMENTS, TESTING, MARKING
    DIN EN 50241-1 : 2000 AMD 1 2004 SPECIFICATION FOR OPEN PATH APPARATUS FOR THE DETECTION OF COMBUSTIBLE OR TOXIC GASES AND VAPOURS - PART 1: GENERAL REQUIREMENTS AND TEST METHODS
    I.S. EN 13616:2004 OVERFILL PREVENTION DEVICES FOR STATIC TANKS FOR LIQUID PETROLEUM FUELS
    PREN 14678-1 : DRAFT 2010 LPG EQUIPMENT AND ACCESSORIES - CONSTRUCTION AND PERFORMANCE OF LPG EQUIPMENT FOR AUTOMOTIVE FILLING STATIONS - PART 1: DISPENSERS
    03/300200 DC : DRAFT JAN 2003 CENELEC TR 50404 - ELECTROSTATICS - CODE OF PRACTICE FOR THE AVOIDANCE OF HAZARDS DUE TO STATIC ELECTRICITY
    99/711217 DC : DRAFT JUL 1999 EN 13638 - NGV FILLING STATIONS
    BS EN 60947-5-6:2001 Specification for low-voltage switchgear and controlgear. Control circuit devices and switching elements DC interface for proximity sensors and switching amplifiers (NAMUR) - DC interface for proximity sensors and switching amplifiers (NAMUR)
    DIN EN 50284 : 2000 SPECIAL REQUIREMENTS FOR CONSTRUCTION, TEST AND MARKING OF ELECTRICAL APPARATUS OF EQUIPMENT GROUP II, CATEGORY 1 G
    04/19986707 DC : 0 BS EN 1804-4 - MACHINES FOR UNDERGROUND MINES - SAFETY REQUIREMENTS FOR HYDRAULIC POWERED ROOF SUPPORTS - PART 4: ELECTRO-HYDRAULIC CONTROL SYSTEMS
    09/30182347 DC : 0 BS EN 12621:2006/A1 - MACHINERY FOR THE SUPPLY AND CIRCULATION OF COATING MATERIALS UNDER PRESSURE - SAFETY REQUIREMENTS
    94/713480 DC : DRAFT NOV 1994 PREN 1710 - MACHINES FOR UNDERGROUND MINES - REQUIREMENTS FOR APPLICATIONS IN AREAS OF MINES WITH FIREDAMP HAZARD - SAFETY REQUIREMENTS
    97/720420 DC : DRAFT DEC 1997 EN 1009-4 - FEEDING, CRUSHING, MILLING, SIZING AND SORTING MACHINES FOR MECHANICAL PROCESSING OF MINERALS AND SIMILAR SOLID MATERIALS - SAFETY - PART 4: SIZING AND SORTING MACHINERY
    04/30078214 DC : DRAFT AUG 2004 IEC 61577-1 - RADIATION PROTECTION INSTRUMENTATION - RADON AND RADON DECAY PRODUCT MEASURING INSTRUMENTS - PART 1: GENERAL PRINCIPLES
    DIN EN 50021 : 2000 ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - TYPE OF PROTECTION "N"
    UNI CEI EN 45510-2-7 : 2011 GUIDE FOR PROCUREMENT OF POWER STATION EQUIPMENT - PART 2-7: ELECTRICAL EQUIPMENT - SWITCHGEAR AND CONTROLGEAR
    CEI CLC/TR 50427 : 2005 ASSESSMENT OF INADVERTENT IGNITION OF FLAMMABLE ATMOSPHERES BY RADIO-FREQUENCY RADIATION - GUIDE
    I.S. EN 50033:1992 ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - CAPLIGHTS FOR MINES SUSCEPTIBLE TO FIREDAMP
    I.S. EN 61784-5-3:2013 INDUSTRIAL COMMUNICATION NETWORKS - PROFILES - PART 5-3: INSTALLATION OF FIELDBUSES - INSTALLATION PROFILES FOR CPF 3
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    DIN EN 12261:2007-07 GAS METERS - TURBINE GAS METERS
    DD ENV 14236:2002 Ultrasonic domestic gas meters
    I.S. CLC/TR 50404:2006 ELECTROSTATICS - CODE OF PRACTICE FOR THE AVOIDANCE OF HAZARDS DUE TO STATIC ELECTRICITY
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    I.S. EN 50016:2002 ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - PRESSURIZED APPARATUS "P"
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    DIN EN 14435 E : 2004 RESPIRATORY PROTECTIVE DEVICES - SELF-CONTAINED OPEN-CIRCUIT COMPRESSED AIR BREATHING APPARATUS WITH HALF MASK DESIGNED TO BE USED WITH POSITIVE PRESSURE ONLY - REQUIREMENTS, TESTING, MARKING
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    DIN EN 14583 E : 2004 WORKPLACE ATMOSPHERES - VOLUMETRIC BIOAEROSOL SAMPLING DEVICES - REQUIREMENTS AND TEST METHODS
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    97/204928 DC : DRAFT APR 1997 PREN 50273 - INSTALLATION OF ELECTRICAL APPARATUS IN AREAS ENDANGERED BY EXPLOSIVE SUBSTANCES
    ISO 8230-3:2008 Safety requirements for dry-cleaning machines Part 3: Machines using combustible solvents
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    BS EN 145:1998 Respiratory protective devices. Self-contained closed-circuit breathing apparatus compressed oxygen or compressed oxygen-nitrogen type. Requirements, testing, marking
    BS EN 1710 : 2005 EQUIPMENT AND COMPONENTS INTENDED FOR USE IN POTENTIALLY EXPLOSIVE ATMOSPHERES IN UNDERGROUND MINES
    BS EN 12405:2002 Gas meters. Gas-volume electronic conversion devices
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    BS EN 13636:2004 Cathodic protection of buried metallic tanks and related piping
    EN 50284:1999 Special requirements for construction, test and marking of electrical apparatus of equipment group II, Category 1 G
    EN 1474 : 1997 INSTALLATION AND EQUIPMENT FOR LIQUEFIED NATURAL GAS - DESIGN AND TESTING OF LOADING/UNLOADING ARMS
    EN 292-2 : 91 AMD 1 95 SAFETY OF MACHINERY - BASIC CONCEPTS, GENERAL PRINCIPLES FOR DESIGN - TECHNICAL PRINCIPLES AND SPECIFICATION
    EN 1834-1:2000 Reciprocating internal combustion engines - Safety requirements for design and construction of engines for use in potentially explosive atmospheres - Part 1: Group II engines for use in flammable gas and vapour atmospheres
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    EN ISO 8230-3:2008 Safety requirements for dry-cleaning machines - Part 3: Machines using combustible solvents (ISO 8230-3:2008)
    EN 15198:2007 Methodology for the risk assessment of non-electrical equipment and components for intended use in potentially explosive atmospheres
    EN 14435:2004 Respiratory protective devices - Self-contained open-circuit compressed air breathing apparatus with half mask designed to be used with positive pressure only - Requirements, testing, marking
    EN 145:1997/A1:2000 RESPIRATORY PROTECTIVE DEVICES - SELF-CONTAINED CLOSED-CIRCUIT BREATHING APPARATUS COMPRESSED OXYGEN OR COMPRESSED OXYGEN-NITROGEN TYPE - REQUIREMENTS, TESTING, MARKING
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    BS EN 50073:1999 Guide for selection, installation, use and maintenance of apparatus for the detection and measurement of combustible gases or oxygen
    BS EN 50284:1999 Special requirements for construction, test and marking of electrical apparatus of equipment group II, category 1 G
    CEI EN 60947-5-6 : 2000 LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 5-6: CONTROL CIRCUIT DEVICES AND SWITCHING ELEMENTS DC INTERFACE FOR PROXIMITY SENSORS AND SWITCHING AMPLIFIERS (NAMUR)
    02/207214 DC : DRAFT JULY 2002 PREN 12499 - INTERNAL CATHODIC PROTECTION OF METALLIC STRUCTURES
    05/30135286 DC : 0 EN 15268 - PETROL FILLING STATIONS - SAFETY REQUIREMENTS FOR THE CONSTRUCTION AND PERFORMANCE OF SUBMERSIBLE PUMP ASSEMBLIES
    93/703129 DC : 0 FEEDING, CRUSHING, MILLING, SIZING AND SORTING MACHINES FOR MECHANICAL PROCESSING OF MINERALS AND SIMILAR SOLID MATERIALS - SAFETY REQUIREMENTS
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    PD CLC/TR 50404:2003 Electrostatics. Code of practice for the avoidance of hazards due to static electricity
    BS EN 50303:2000 Group I, Category M1 equipment intended to remain functional in atmospheres endangered by firedamp and/or coal dust
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    DIN EN 50018 : 2001 AMD 1 2003 ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - FLAMEPROOF ENCLOSURE "D"
    I.S. 231:1979 ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - GENERAL REQUIREMENTS
    I.S. EN ISO 8230-3:2008 SAFETY REQUIREMENTS FOR DRY-CLEANING MACHINES - PART 3: MACHINES USING COMBUSTIBLE SOLVENTS
    ANSI/ISO 12100-2 : 2007 SAFETY OF MACHINERY - BASIC CONCEPTS, GENERAL PRINCIPLES FOR DESIGN - PART 2: TECHNICAL PRINCIPLES
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    CEN/TS 13763-27 : 2003 EXPLOSIVES FOR CIVIL USES - DETONATORS AND RELAYS - PART 27: DEFINITIONS, METHODS AND REQUIREMENTS FOR ELECTRONIC INITIATION SYSTEMS
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    EN 50018 : 2000 AMD 1 2002 ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - FLAMEPROOF ENCLOSURE "D"
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    EN 50015:1998 Electrical apparatus for potentially explosive atmospheres - Oil immersion "o"
    EN 50303:2000 Group I, Category M1 equipment intended to remain functional in atmospheres endangered by firedamp and/or coal dust
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