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  • BS 5501-1(1977) : 1977

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    ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - GENERAL REQUIREMENTS

    Available format(s):  Hardcopy, PDF

    Withdrawn date:  01-11-2003

    Language(s):  English

    Published date:  01-01-1977

    Publisher:  British Standards Institution

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

    IEC Publications referred to in European Standard
    EN 50014
    ISO Standards referred to in European Standard EN 50014
    European Standards referred to in European Standard
    EN 50014
    Section 1. General
    1. Scope
    2. Definitions
    3. Grouping and classification of electrical apparatus
    4. Temperature
    Section II. Requirements for all electrical apparatus
    5. General
    6. Non-metallic enclosures and non-metallic parts of
        enclosures
    7. Light alloy enclosures
    8. Fasteners
    9. Interlocking devices
    10. Bushings
    11. Materials used for cementing
    12. Connections
    13. Connection facilities for earthing or bonding
        conductors
    14. Connection facilities and terminal compartments
    15. Cable and conduit entries
    Section III. Supplementary requirements for certain
    electrical apparatus
    16. Rotating electrical machines
    17. Switchgear
    18. Fuses
    19. Plugs and sockets
    20. Luminaires
    21. Hand lamps and caplamps
    Section IV. Verifications and tests
    22. Type verifications and tests
    23. Routine verifications and tests
    24. Manufacturer's responsibility
    25. Verifications and tests on modified or repaired
        electrical apparatus
    Section V. Marking
    26. Marking
    Annex A. Subdivision of gases and vapours according to
              their maximum experimental safe gaps and
              minimum ignition currents
    Annex B. Example of test rig for impact test
    Annex C. Methods of measurement of the insulation
              resistance of parts of enclosures of plastics
              materials
    Annex D. Practical examples of legible and durable
              marking
    Annex E. Declaration by the manufacturer

    Abstract - (Show below) - (Hide below)

    Describes construction and testing of electrical apparatus for use in potentially explosive atmospheres. It is supplemented by the 'o', 'p', 'q', 'd', 'e' and 'i' protection types.

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

    Committee GEL/114
    Document Type Standard
    Publisher British Standards Institution
    Status Withdrawn
    Superseded By
    Supersedes

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

    BS 5308-1(1986) : 1986 INSTRUMENTATION CABLES - SPECIFICATION FOR POLYETHYLENE INSULATED CABLES
    BS 5501-5(1977) : 1977 ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - FLAMEPROOF ENCLOSURE 'D'
    BS 4999-101(1987) : 1987 GENERAL REQUIREMENTS FOR ROTATING ELECTRICAL MACHINES - SPECIFICATION FOR RATING AND PERFORMANCE
    BS 5501-9(1982) : 1982 ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - SPECIFICATION FOR INTRINSICALLY SAFE ELECTRICAL SYSTEMS 'I'
    BS 3905(1995) : 1995 SPECIFICATION FOR 3.8/6.6 KV, 300 A BOLTED FLAMEPROOF CABLE COUPLERS AND ADAPTORS, FOR USE IN COAL MINES
    BS 5308-2(1986) : 1986 INSTRUMENTATION CABLES - SPECIFICATION FOR PVC INSULATED CABLES
    BS 6742-2:1987 ELECTROSTATIC PAINTING AND FINISHING EQUIPMENT USING FLAMMABLE MATERIALS - SPECIFICATION FOR SELECTION, INSTALLATION AND USE OF HAND-HELD PAINT SPRAY GUNS (ENERGY LIMIT OF 0,24 MJ) AND ASSOCIATED APPARATUS
    BS 6020-2(1981) : 1981 INSTRUMENTS FOR THE DETECTION OF COMBUSTIBLE GASES - SPECIFICATION FOR SAFETY AND PERFORMANCE REQUIREMENTS FOR GROUP I INSTRUMENTS READING UP TO 5% METHANE IN AIR
    BS 7117-3:1991 METERING PUMPS AND DISPENSERS TO BE INSTALLED AT FILLING STATIONS AND USED TO DISPENSE LIQUID FUEL - GUIDE TO MAINTENANCE AFTER INSTALLATION
    BS 7117-1(1991) : 1991 METERING PUMPS AND DISPENSERS TO BE INSTALLED AT FILLING STATIONS AND USED TO DISPENSE LIQUID FUEL - PART 1: SPECIFICATION FOR CONSTRUCTION
    BS 638-7(1984) : 1984 ARC WELDING POWER SOURCES, EQUIPMENT AND ACCESSORIES - SPECIFICATION FOR SAFETY REQUIREMENTS FOR INSTALLATION AND USE
    BS 5908(1990) : 1990 CODE OF PRACTICE FOR FIRE PRECAUTIONS IN THE CHEMICAL AND ALLIED INDUSTRIES
    BS 5501-7(1977) : 1977 ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - INTRINSIC SAFETY 'I'
    BS 7202:1989 (published 1990-02) Specification for non-incendive low voltage control/interlock and low voltage earth fault monitoring circuits for use in mines
    BS 7244:1990 SPECIFICATION FOR FLAME ARRESTERS FOR GENERAL USE
    BS 5345-5(1983) : 1983 CODE OF PRACTICE FOR SELECTION, INSTALLATION & MAINTENANCE OF ELECTRICAL APPARATUS FOR USE IN POTENTIALLY EXPLOSIVE ATMOSPHERES (OTHER THAN MINING APPLICATIONS OR EXPLOSIVE PROCESSING) (AND MANUFACTURE) - INSTALLATION AND MAINTENANCE REQUIREMENTS FOR ELECTRICAL APPARATUS PROTECTED BY PRESSURIZATION 'P' AND BY CONTINUOUS DILUTION, AND FOR PRESSURIZED ROOMS
    BS 7575(1992) : 1992 SPECIFICATION FOR RESISTANCE THERMOMETERS AND THERMOCOUPLES FOR THE MEASUREMENT OF TEMPERATURE IN TANKS CONTAINING REFRIGERATED LIGHT HYDROCARBON FLUIDS
    BS EN 50059:1991 SPECIFICATION FOR ELECTROSTATIC HAND-HELD SPRAYING EQUIPMENT FOR NON-FLAMMABLE MATERIAL FOR PAINTING AND FINISHING
    BS 6680(1985) : 1985 SPECIFICATION FOR FLAMEPROOF EQUIPMENT FOR DIESEL ENGINES FOR USE IN COAL MINES AND OTHER MINES SUSCEPTIBLE TO FIREDAMP
    BS 6020-1(1981) : 1981 INSTRUMENTS FOR THE DETECTION OF COMBUSTIBLE GASES - SPECIFICATION FOR GENERAL REQUIREMENTS AND TEST METHODS
    BS 5345-3(1979) : 1979 CODE OF PRACTICE FOR SELECTION INSTALLATION & MAINTENANCE OF ELECTRICAL APPARATUS FOR USE IN POTENTIALLY EXPLOSIVE ATMOSPHERES (OTHER THAN MINING APPLICATIONS OR EXPLOSIVE PROCESSING AND MANUFACTURE) - INSTALLATION AND MAINTENANCE REQUIREMENTS FOR ELECTRICLA APPARATUS WITH TYPE OF PROTECTION 'D' FLAMEPROOF ENCLOSURES
    BS 5000-17:1981 (published 1981-12) Rotating electrical machines of particular types or for particular applications Machines with flameproof enclosure
    BS 5501-3(1977) : 1977 ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - PRESSURIZED APPARATUS 'P'
    BS 6351-1(1983) : 1983 ELECTRIC SURFACE HEATING - SPECIFICATION FOR ELECTRIC SURFACE HEATING DEVICES
    BS 7117-1(1989) : 1989 METERING PUMPS AND DISPENSERS TO BE INSTALLED AT FILLING STATIONS AND USED TO DISPENSE LIQUID FUEL - SPECIFICATION FOR CONSTRUCTION
    BS 5345-1(1989) : 1989 CODE OF PRACTICE FOR SELECTION, INSTALLATION & MAINTENANCE OF ELECTRICAL APPARATUS FOR USE IN POTENTIALLY EXPLOSIVE ATMOSPHERES
    BS 5908(1980) : LATEST CODE OF PRACTICE FOR FIRE PRECAUTIONS IN CHEMICAL PLANT
    BS 6020-4(1981) : 1981 INSTRUMENTS FOR THE DETECTION OF COMBUSTIBLE GASES - SPECIFICATION FOR PERFORMANCE REQUIREMENTS FOR GROUP II INSTRUMENTS READING UP TO 100% LOWER EXPLOSIVE LIMIT
    BS 6742-3:1990 ELECTROSTATIC PAINTING AND FINISHING EQUIPMENT USING FLAMMABLE MATERIALS - ELECTROSTATIC PAINTING AND FINISHING EQUIPMENT USING FLAMMABLE MATERIALS - SPECIFICATION FOR SELECTION, INSTALLATION AND USE OF HAND-HELD POWDER SPRAY GUNS (ENERGY LIMIT OF 5 MJ) AND THEIR ASSOCIATED APPARATUS
    BS 5501-4(1977) : 1977 ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - POWDER FILLING 'Q'
    BS 6656(1991) : 1991 GUIDE TO PREVENTION OF INADVERTENT IGNITION OF FLAMMABLE ATMOSPHERES BY RADIO-FREQUENCY RADIATION
    BS 6941(1988) : 1988 SPECIFICATION FOR ELECTRICAL APPARATUS FOR EXPLOSIVE ATMOSPHERES WITH TYPE OF PROTECTION N
    BS 6704(1996) : 1996 CODE OF PRACTICE FOR SELECTION, INSTALLATION AND MAINTENANCE OF INTRINSICALLY SAFE ELECTRICAL EQUIPMENT IN COAL MINES
    BS 6704:1987 (published 1987-08) Code of Practice for selection, installation and maintenance of intrinsically safe electrical equipment in coal mines
    BS 5958-1(1991) : 1991 CODE OF PRACTICE FOR CONTROL OF UNDESIRABLE STATIC ELECTRICITY - GENERAL CONSIDERATIONS
    BS 7924:1999 (published 1999-11) Code of practice for the repair and overhaul of certified electrical apparatus intended for use in mines susceptible to firedamp
    BS 6742-1(1987) : 1987 ELECTROSTATIC PAINTING AND FINISHING EQUIPMENT USING FLAMMABLE MATERIALS - SPECIFICATION FOR HAND HELD SPRAY GUNS AND ASSOCIATED APPARATUS
    BS 3454(1995) : 1995 SPECIFICATION FOR 1.9/3.3 kV. 300 A BOLTED FLAMEPROOF CABLE COUPLERS AND ADAPTORS (INCLUDING 380/660 V AND 640/1100 V, 300 A ADAPTORS) FOR USE IN COAL MINES
    BS 5958-1(1980) : 1980 CODE OF PRACTICE FOR CONTROL OF UNDESIRABLE STATIC ELECTRICITY - GENERAL CONSIDERATIONS
    BS 7535:1992 GUIDE TO THE USE OF ELECTRICAL APPARATUS COMPLYING WITH BS 5501 OR BS 6941 IN THE PRESENCE OF COMBUSTIBLE DUSTS
    BS 6881:1988 (published 1988-01) Specification for construction and testing of miners' caplamps in relation to the risk of explosion for mines susceptible to firedamp
    BS 6020-3(1982) : 1982 INSTRUMENTS FOR THE DETECTION OF COMBUSTIBLE GASES - SPECIFICATION FOR SAFETY AND PERFORMANCE REQUIREMENTS FOR GROUP I INSTRUMENTS READING UP TO 100% METHANE
    BS 5501-8(1988) : 1988 ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - ENCAPSULATION 'M'
    BS 6709:1986 (published 1986-07) Specification for interconnection of electrical apparatus, constructed to two or more British Standards, for use in mines susceptible to firedamp
    BS 5501-6(1977) : 1977 ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - INCREASED SAFETY 'E'
    BS 5067(1985) : 1985 SPECIFICATION FOR FLAMEPROOF TRANSFORMERS FOR USE IN MINES
    BS 6020-5(1982) : 1982 INSTRUMENTS FOR THE DETECTION OF COMBUSTIBLE GASES - SPECIFICATION FOR PERFORMANCE REQUIREMENTS FOR GROUP II INSTRUMENTS READING UP TO 100% GAS
    BS 5125(1990) : 1990 SPECIFICATION FOR 50 A 650 V FLAMEPROOF, RESTRAINED AND BOLTED PLUGS AND SOCKETS FOR USE IN COAL MINES
    BS 5501-2(1977) : 1977 ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - OIL IMMERSION 'O'
    BS 6742-4:1990 ELECTROSTATIC PAINTING AND FINISHING EQUIPMENT USING FLAMMABLE MATERIALS - ELECTROSTATIC PAINTING AND FINISHING EQUIPMENT USING FLAMMABLE MATERIALS - SPECIFICATION FOR SELECTION, INSTALLATION AND USE OF HAND-HELD FLOCK SPRAY GUNS (ENERGY LIMIT OF 0,24 MJ OR 5 MJ) AND THEIR ASSOCIATED APPARATUS
    BS 6656(1986) : 1986 GUIDE TO PREVENTION OF INADVERTENT IGNITION OF FLAMMABLE ATMOSPHERES BY RADIO FREQUENCY RADIATION
    BS 6739(1986) : 1986 CODE OF PRACTICE FOR INSTRUMENTATION IN PROCESS CONTROL SYSTEMS: INSTALLATION DESIGN AND PRACTICE
    BS 6467-1(1985) : 1985 ELECTRICAL APPARATUS WITH PROTECTION BY ENCLOSURE FOR USE IN THE PRESENCE OF COMBUSTIBLE DUSTS - SPECIFICATION FOR APPARATUS
    BS 5000-15(1980) : 1980 SPECIFICATION FOR ROTATING ELECTRICAL MACHINES OF PARTICULAR TYPES OR FOR PARTICULAR APPLICATIONS - MACHINES WITH TYPE OF PROTECTION 'E' (INCREASED SAFETY)
    DEFSTAN 02-564/2(2003) : 2003 GUIDE TO INTERNAL COMMUNICATION EQUIPMENT - SOUND POWERED TELEPHONE ASSEMBLIES AND ASSOCIATED ITEMS (EXCLUDING EXCHANGE TELEPHONE EQUIPMENT) CATEGORY 2
    EEMUA 186 : 2016 A PRACTITIONER'S HANDBOOK FOR POTENTIALLY EXPLOSIVE ATMOSPHERES
    BS 6651(1992) : 1992 CODE OF PRACTICE FOR PROTECTION OF STRUCTURES AGAINST LIGHTNING
    EEMUA 181 : 1995 GUIDE TO RISK BASED ASSESSMENTS OF IN-SITU LARGE EX 'E' AND EX 'N' MACHINES
    BS 5067:1985 (published 1985-07) Specification for flameproof transformers for use in mines
    BS 3905:1995 (published 1995-11) Specification for 3.8/6.6 kV, 300 A bolted flameproof cable couplers and adaptors, for use in coal mines.
    BS 5125:1990 (published 1990-07) Specification for 50 A 650 V flameproof, restrained and bolted plugs and sockets for use in coal mines
    BS 6704:1996 (published 1996-11) Code of practice for selection, installation and maintenance of intrinsically safe electrical equipment in coal mines
    BS 3454:1995 (published 1995-11) Specification for 1.9/3.3 kV, 300 A bolted flameproof cable couplers and adaptors (including 380/660 V and 640/1100 V, 300 A adaptors) for use in coal mines

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

    BS 5691-1(1979) : 1979 GUIDE FOR THE DETERMINATION OF THERMAL ENDURANCE PROPERTIES OF ELECTRICAL INSULATING MATERIALS - GEN PROCEDURES FOR THE DET OF THERMAL ENDURANCE PROP TEMP INDICES & THERMAL ENDURANCE PROFILES
    BS 4999-20(1972) : AMD 2228 GENERAL REQUIREMENTS FOR ROTATING ELECTRICAL MACHINES - CLASSIFICATION OF TYPES OF ENCLOSURE
    BS 3643-2(1966) : LATEST ISO METRIC SCREW THREADS - LIMITS AND TOLERANCES FOR COARSE PITCH SERIES THREADS - METRIC UNITS
    BS 2782-5.540B(1982) : 1982 METHODS OF TESTING PLASTICS - OPTICAL AND COLOUR PROPERTIES, WEATHERING - METHODS OF EXPOSURE TO LABORATORY LIGHT SOURCES, (XENON ARC LAMP, ENCLOSED CARBON ARC LAMP, OPEN-FLAME CARBON ARC LAMP, FLUORESCENT TUBE LAMPS)
    BS 4500-1(1969) : AMD 3703 ISO LIMITS AND FITS - GENERAL TOLERANCES AND DEVIATIONS
    BS 5501-4(1977) : 1977 ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - POWDER FILLING 'Q'
    BS 5501-7(1977) : 1977 ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - INTRINSIC SAFETY 'I'
    BS 5501-6(1977) : 1977 ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - INCREASED SAFETY 'E'
    BS 5501-5(1977) : 1977 ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - FLAMEPROOF ENCLOSURE 'D'
    BS 903-A16(1971) : AMD 1665
    BS 5501-2(1977) : 1977 ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - OIL IMMERSION 'O'
    BS 2782-3 Method 335A:1978 Methods of testing plastics. Mechanical properties Determination of flexural properties of rigid plastics
    ISO 179:1993 Plastics Determination of Charpy impact strength
    BS 5691-2(1979) : 1979 GUIDE FOR THE DETERMINATION OF THERMAL ENDURANCE PROPERTIES OF ELECTRICAL INSULATING MATERIALS - LIST OF MATERIALS AND AVAILABLE TESTS
    BS 3643-1(1963) : LATEST ISO METRIC SCREW THREADS - THREAD DATA AND STANDARD THREAD SERIES
    BS 5501-3(1977) : 1977 ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - PRESSURIZED APPARATUS 'P'
    BS 3643-3:1967 ISO METRIC SCREW THREADS - LIMITS AND TOLERANCES FOR FINE PITCH THREADS (CONSTANT PITCH SERIES)
    BS 4941-1(1979) : 1979 SPECIFICATION FOR MOTOR STARTERS FOR VOLTAGES UP TO AND INCLUDING 1000 V A.C. AND 1200 V D.C. - DIRECT ON LINE (FULL VOLTAGE) A.C. STARTERS
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