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AS 2380.1-1989 electrical equipment for explosive atmospheres - explosion-protection techniques - general requirements

Standard Number:  AS 2380.1-1989
Title:  electrical equipment for explosive atmospheres - explosion-protection techniques - general requirements
Language:  English
Publication Date:  1989/11/13
Execute Date:  1989/11/13
Status:  Current
Publisher:  Australia Standards(AS)
Price:  
Number of Pages:18P.;A4  

Description:prescribes general requirements for the construction, marking and testing of electrical equipment intended for use in explosive atmospheres and is supplemented by other parts covering specific types of protection. this standard is similar to iec 79-0.  
Catalog:Document Contents
AS 2380.1-1989 ELECTRICAL EQUIPMENT FOR EXPLOSIVE ATMOSPHERES-EXPLOSION-PROTECTION TECHNI...
PREFACE
CONTENTS
FOREWORD
SECTION 1. SCOPE AND GENERAL
1.1 SCOPE.
1.2 APPLICATION.
1.3 REFERENCED DOCUMENTS.
1.4 DEFINITIONS.
1.4.1 Cable entry
1.4.2 Certifying authority
1.4.3 Clearance
1.4.4 Conduit entry
1.4.5 Creepage distance
1.4.6 Connection facilities
1.4.7 Degree of protection of enclosures
1.4.8 Electrical equipment
1.4.9 Electrical equipment for explosive gas atmospheres
1.4.10 Enclosure
1.4.11 Ex component
1.4.12 Explosion-protection
1.4.13 Explosive atmosphere
1.4.14 Area, hazardous
1.4.15 Ignition temperature
1.4.16 Maximum surface temperature
1.4.17 Temperature classification
1.4.18 Terminal compartment
1.4.19 Testing station
1.5 STANDARD ATMOSPHERIC CONDITIONS.
1.6 LOW ENERGY DEVICES.
1.7 GROUPING AND CLASSIFICATION OF ELECTRICAL EQUIPMENT.
1.7.1 Group designation.
1.7.2 Group II subdivision.
1.7.3 Particular explosive atmosphere.
1.8 TEMPERATURES.
1.8.1 Ambient temperature range.
1.8.2 Maximum surface temperature.
1.8.3 Unclassified Group II surface temperatures.
1.8.4 Ignition temperature safety margins.
1.9 MANUFACTURER'S RESPONSIBILITY
SECTION 2. REQUIREMENTS FOR ALL ELECTRICAL EQUIPMENT
2.1 GENERAL.
2.1.1 Compliance with Standards.
2.1.2 Workmanship.
2.1.3 Manufacturers' documents.
2.1.4 Enclosed equipment.
2.2 ENCLOSURES OF NON-METALLIC MATERIAL.
2.2.1 General.
2.2.2 Threaded holes.
2.2.3 Ignition by discharges of static electricity.
2.3 METALLIC ENCLOSURES.
2.3.1 Group I equipment.
2.3.2 Group II equipment.
2.4 FASTENERS.
2.4.1 General.
2.4.2 Special fasteners.
2.5 INTERLOCKING DEVICES.
2.6 BUSHINGS AND TERMINAL STUDS.
2.7 MATERIALS USED FOR CEMENTING AND SEALING.
2.8 CONNECTIONS.
2.9 CONNECTION FACILITIES FOR EARTHING OR BONDING CONDUCTORS.
2.9.1 Earthing facility.
2.9.2 Earthing size-internal.
2.9.3 Bonding facilities.
2.9.4 Earthing facility exceptions.
2.9.5 Protection against corrosion.
2.10 CONNECTION FACILITIES AND TERMINAL COMPARTMENTS.
2.10.1 Connection of external circuit conductors.
2.10.2 Access openings.
2.10.3 Explosion-protection.
2.11 CABLE AND CONDUIT ENTRIES.
2.11.1 General.
2.11.2 Conduit entry.
2.11.3 Blanking of entries.
2.11.4 Cable selection label.
SECTION 3. SUPPLEMENTARY REQUIREMENTS FOR CERTAIN ELECTRICAL EQUIPMENT
3.1 ROTATING ELECTRICAL MACHINES.
3.1.1 Ventilation openings for external fans.
3.1.2 Construction and mounting of ventilating systems.
3.1.3 Clearances for ventilating systems.
3.1.4 Plastics materials used for fans.
3.2 SWITCHGEAR.
3.2.1 Switchgear restrictions.
3.2.2 Isolators of Group I and Group II equipment.
3.2.3 Interlocks for covers.
3.2.4 Isolation of Group I switchgear.
3.2.5 Latching of Group I equipment.
3.2.6 Enclosures containing remotely controlled equipment.
3.3 ENCLOSURES CONTAINING FUSES.
3.4 PLUGS AND SOCKET-OUTLETS.
3.4.1 Interlocking.
3.4.2 Plugs.
3.5 LUMINAIRES.
3.5.1 Prohibited types.
3.5.2 Protection of source of light.
3.5.3 Marking of enclosure.
SECTION 4. MARKING
4.1 GENERAL.
4.2 INFORMATION TO BE MARKED.
4.3 MIXED TYPES OF EXPLOSION-PROTECTION.
4.4 ORDER OF MARKING.
4.5 MARKING OF Ex COMPONENTS.
4.6 MARKING OF SMALL ELECTRICAL EQUIPMENT.
4.7 METHOD OF MARKING.
4.7.1 General.
4.7.2 Adhesive metallic labels.
4.7.3 Nameplates.
4.7.4 Other forms of labelling.
4.8 EXAMPLES OF MARKING.
SECTION 5. VERIFICATION AND TEST
5.1 GENERAL AND APPLICATION.
5.1.1 Purpose.
5.1.2 Verification of documents and design.
5.1.3 Conduct of type tests.
5.1.4 Application of type tests.
5.2 IMPACT AND DROP TESTS.
5.2.1 Impact test.
5.2.2 Drop test.
5.2.3 Acceptance criteria.
5.3 DEGREE OF PROTECTION TEST.
5.4 TORQUE TESTS.
5.5 TEMPERATURE-RISE TEST.
5.6 THERMAL SHOCK TEST.
5.7 INSULATION RESISTANCE OF PLASTICS PARTS.
SECTION 6. ROUTINE TESTS
6.1 GENERAL.
6.2 HIGH VOLTAGE TEST.
APPENDIX A - IMPACT TEST
A1 SCOPE.
A2 TEST VALUES.
A3 TEST APPARATUS.
A4 TEST TEMPERATURE.
A5 SAMPLES.
A6 PROCEDURE.
A7 REPORTING OF RESULTS.
APPENDIX B - TEMPERATURE-RISE TEST
B1 SCOPE.
B2 TEST CONDITIONS.
B2.1 Power supply.
B2.2 Mounting.
B3 MEASURING DEVICES.
B4 PROCEDURE.
B5 REPORTING OF RESULTS.
APPENDIX C - INSULATION RESISTANCE TEST
C1 SCOPE.
C2 TEST CONDITIONS.
C3 TEST VOLTAGE.
C4 SAMPLE.
C5 PRECONDITIONING.
C6 TEST METHOD.
C6.1 General.
C6.2 Voltmeter-ammeter method.
C6.3 Comparative method.
C7 PROCEDURE.
C8 REPORTING OF RESULTS.
  
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