BS 5501-1:1977

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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Withdrawn date: 01-11-2003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
ISBN
Pages
Published
Publisher	British Standards Institution
Status	Withdrawn
Superseded By	BS EN 50020:2002 (published 2006-07) BS EN 50014:1998
Supersedes	BS 5501-1(1972) : LATEST

International Equivalents – Equivalent Standard(s) & Relationship - (Show below) - (Hide below)

Equivalent Standard(s)	Relationship
NFC 23 514 : 1986	Identical

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

DEFSTAN 02-357(PT3)/1(2003) : 2003	REQUIREMENTS FOR GASEOUS FIREFIGHTING SYSTEMS FOR MAIN MACHINERY SPACES AND COMPARTMENTS OF SURFACE SHIPS - PART 3: BCF (HALON 1211) SYSTEM
BS EN 50059:1991	SPECIFICATION FOR ELECTROSTATIC HAND-HELD SPRAYING EQUIPMENT FOR NON-FLAMMABLE MATERIAL FOR PAINTING AND FINISHING
BS 6656:1986	GUIDE TO PREVENTION OF INADVERTENT IGNITION OF FLAMMABLE ATMOSPHERES BY RADIO FREQUENCY RADIATION
BS 7117-1:1991	METERING PUMPS AND DISPENSERS TO BE INSTALLED AT FILLING STATIONS AND USED TO DISPENSE LIQUID FUEL - PART 1: SPECIFICATION FOR CONSTRUCTION
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
DEFSTAN 02-564/2(2003) : 2003	GUIDE TO INTERNAL COMMUNICATION EQUIPMENT - SOUND POWERED TELEPHONE ASSEMBLIES AND ASSOCIATED ITEMS (EXCLUDING EXCHANGE TELEPHONE EQUIPMENT) CATEGORY 2
BS 6656:1991	GUIDE TO PREVENTION OF INADVERTENT IGNITION OF FLAMMABLE ATMOSPHERES BY RADIO-FREQUENCY RADIATION
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 7117-1:1989	METERING PUMPS AND DISPENSERS TO BE INSTALLED AT FILLING STATIONS AND USED TO DISPENSE LIQUID FUEL - SPECIFICATION FOR CONSTRUCTION
BS 5958-1:1991	CODE OF PRACTICE FOR CONTROL OF UNDESIRABLE STATIC ELECTRICITY - GENERAL CONSIDERATIONS
BS 7244:1990	SPECIFICATION FOR FLAME ARRESTERS FOR GENERAL USE
BS 5908:1980	CODE OF PRACTICE FOR FIRE PRECAUTIONS IN CHEMICAL PLANT
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 5501-5:1977	ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - FLAMEPROOF ENCLOSURE 'D'
BS 6651:1992	CODE OF PRACTICE FOR PROTECTION OF STRUCTURES AGAINST LIGHTNING
BS 5067:1985 (published 1985-07)	Specification for flameproof transformers for use in mines
BS 5345-1:1989	CODE OF PRACTICE FOR SELECTION, INSTALLATION & MAINTENANCE OF ELECTRICAL APPARATUS FOR USE IN POTENTIALLY EXPLOSIVE ATMOSPHERES
BS 5345-5:1983	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 5501-7:1977	ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - INTRINSIC SAFETY 'I'
BS 6680:1985	SPECIFICATION FOR FLAMEPROOF EQUIPMENT FOR DIESEL ENGINES FOR USE IN COAL MINES AND OTHER MINES SUSCEPTIBLE TO FIREDAMP
BS 7575:1992	SPECIFICATION FOR RESISTANCE THERMOMETERS AND THERMOCOUPLES FOR THE MEASUREMENT OF TEMPERATURE IN TANKS CONTAINING REFRIGERATED LIGHT HYDROCARBON FLUIDS
BS 7535:1992	GUIDE TO THE USE OF ELECTRICAL APPARATUS COMPLYING WITH BS 5501 OR BS 6941 IN THE PRESENCE OF COMBUSTIBLE DUSTS
BS 6704:1987 (published 1987-08)	Code of Practice for selection, installation and maintenance of intrinsically safe electrical equipment in coal mines
BS 5958-1:1980	CODE OF PRACTICE FOR CONTROL OF UNDESIRABLE STATIC ELECTRICITY - GENERAL CONSIDERATIONS
BS 6739:1986	CODE OF PRACTICE FOR INSTRUMENTATION IN PROCESS CONTROL SYSTEMS: INSTALLATION DESIGN AND PRACTICE
BS 6941:1988	SPECIFICATION FOR ELECTRICAL APPARATUS FOR EXPLOSIVE ATMOSPHERES WITH TYPE OF PROTECTION N
BS 5501-2:1977	ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - OIL IMMERSION 'O'
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 5000-15:1980	SPECIFICATION FOR ROTATING ELECTRICAL MACHINES OF PARTICULAR TYPES OR FOR PARTICULAR APPLICATIONS - MACHINES WITH TYPE OF PROTECTION 'E' (INCREASED SAFETY)
BS 5345-3:1979	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 6467-1:1985	ELECTRICAL APPARATUS WITH PROTECTION BY ENCLOSURE FOR USE IN THE PRESENCE OF COMBUSTIBLE DUSTS - SPECIFICATION FOR APPARATUS
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 5501-3:1977	ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - PRESSURIZED APPARATUS 'P'
BS 5501-6:1977	ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - INCREASED SAFETY 'E'
BS 5908:1990	CODE OF PRACTICE FOR FIRE PRECAUTIONS IN THE CHEMICAL AND ALLIED INDUSTRIES
BS 5308-1:1986	INSTRUMENTATION CABLES - SPECIFICATION FOR POLYETHYLENE INSULATED CABLES
BS 6704:1996 (published 1996-11)	Code of practice for selection, installation and maintenance of intrinsically safe electrical equipment in coal mines
BS 5501-4:1977	ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - POWDER FILLING 'Q'
BS 638-7:1984	ARC WELDING POWER SOURCES, EQUIPMENT AND ACCESSORIES - SPECIFICATION FOR SAFETY REQUIREMENTS FOR INSTALLATION AND USE
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 5000-17:1981 (published 1981-12)	Rotating electrical machines of particular types or for particular applications Machines with flameproof enclosure
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
BS 5501-9:1982	ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - SPECIFICATION FOR INTRINSICALLY SAFE ELECTRICAL SYSTEMS 'I'
BS 6351-1:1983	ELECTRIC SURFACE HEATING - SPECIFICATION FOR ELECTRIC SURFACE HEATING DEVICES
BS 6742-1:1987	ELECTROSTATIC PAINTING AND FINISHING EQUIPMENT USING FLAMMABLE MATERIALS - SPECIFICATION FOR HAND HELD SPRAY GUNS AND ASSOCIATED APPARATUS
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 5308-2:1986	INSTRUMENTATION CABLES - SPECIFICATION FOR PVC INSULATED CABLES
BS 5501-8:1988	ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - ENCAPSULATION 'M'
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 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 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

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

BS 5691-1:1979	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 2782-5:Method 540B: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	ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - POWDER FILLING 'Q'
BS 5501-7:1977	ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - INTRINSIC SAFETY 'I'
BS 5501-6:1977	ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - INCREASED SAFETY 'E'
BS 5501-5:1977	ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - FLAMEPROOF ENCLOSURE 'D'
BS 5501-2:1977	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	GUIDE FOR THE DETERMINATION OF THERMAL ENDURANCE PROPERTIES OF ELECTRICAL INSULATING MATERIALS - LIST OF MATERIALS AND AVAILABLE TESTS
BS 5501-3:1977	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
BS 3643-1:1963	ISO METRIC SCREW THREADS - THREAD DATA AND STANDARD THREAD SERIES

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