AS 2381.10-1989

1 - AS 2381.10-1989 ELECTRICAL EQUIPMENT FOR EXPLOSIVE ATMOSPHERES-SELECTION, INSTALLATION AND MAINTENANCE - EQUIPMENT IN COMBUST ..
4 - PREFACE
5 - CONTENTS
6 - SECTION 1. SCOPE AND GENERAL
6 - 1.1 SCOPE
6 - 1.2 REFERENCED DOCUMENTS
6 - 1.3 DEFINITIONS.
6 - 1.3.1 Area, hazardous
6 - 1.3.2 Combustible dust
6 - 1.3.3 Compounded joint
6 - 1.3.4 Dust
6 - 1.3.5 Enclosure, dust-excluding ignition-proof (DIP enclosure)
6 - 1.3.6 Equipotential bonding
6 - 1.3.7 Fibre
6 - 1.3.8 Flyings
6 - 1.3.9 Inherently explosive dusts
7 - 1.3.10 Minimum cloud ignition energy
7 - 1.3.11 Temperature, cloud ignition
7 - 1.3.12 Temperature, layer ignition
7 - 1.3.13 Explosion venting
7 - 1.4 ELECTRICAL RATING
7 - 1.5 PROTECTION AGAINST STATIC
7 - 1.6 PROTECTION AGAINST LIGHTNING
7 - 1.7 OTHER CONSIDERATIONS
8 - SECTION 2. SELECTION OF EQUIPMENT
8 - 2.1 SCOPE OF SECTION
8 - 2.2 PERMITTED TYPES OF PROTECTION
8 - 2.2.1 General
8 - 2.2.2 Dust-excluding ignition-proof enclosures (DIP)
8 - 2.2.3 Encapsulated equipment (Ex m)
8 - 2.2.4 Intrinsically safe equipment (Ex i)
8 - 2.3 TEMPERATURE CLASSIFICATION
8 - 2.3.1 General
9 - 2.3.2 Differential required.
9 - 2.3.3 Example of temperature calculation
9 - 2.3.4 Ambient temperature consideration
9 - 2.4 PHYSICAL CHARACTERISTICS
9 - 2.4.1 Enclosure shape
9 - 2.4.2 Exterior panels
9 - 2.4.3 Cleaning and housekeeping
9 - 2.5 HEATING EQUIPMENT
10 - SECTION 3. INSTALLATION
10 - 3.1 SCOPE OF SECTION
10 - 3.2 WIRING SYSTEMS
10 - 3.2.1 General
10 - 3.2.2 Intrinsically safe circuits
10 - 3.2.3 Sheathed cables
10 - 3.2.4 MIMS cable
10 - 3.2.5 Armoured cables
10 - 3.2.6 Use of conduit
10 - 3.2.7 Flexible connections
11 - 3.3 SUPPORTS FOR WIRING
11 - 3.3.1 General
11 - 3.3.2 Prevention of sagging
11 - 3.3.3 Supports
11 - 3.3.4 Distances between supports
11 - 3.4 DRAINAGE
11 - 3.5 THREADED CONNECTIONS
11 - 3.5.1 General
11 - 3.5.2 Thread form
11 - 3.5.3 Length of thread
11 - 3.5.4 Sealing of threaded joints
11 - 3.6 EARTHING
11 - 3.7 EQUIPOTENTIAL BONDING
11 - 3.8 SOCKET-OUTLETS
11 - 3.8.1 Permitted types
11 - 3.8.2 Automatic isolation
12 - 3.8.3 Mounting
12 - 3.8.4 Location
12 - 3.9 PROTECTION
12 - 3.9.1 General
12 - 3.9.2 Motors.
12 - 3.10 ISOLATION
12 - 3.11 ABRASION PROTECTION
13 - SECTION 4. INSPECTION, TESTING AND MAINTENANCE
13 - 4.1 GENERAL
13 - 4.2 DOCUMENTATION.
13 - 4.3 FORMS OF INSPECTION
13 - 4.4 ON SITE ELECTRICAL TESTING
13 - 4.4.1 General
13 - 4.4.2 Installation tests
13 - 4.4.3 Periodical tests
13 - 4.5 MAINTENANCE
14 - APPENDIX A - GENERAL CONSIDERATIONS
14 - A1 HOUSEKEEPING
14 - A2 EXCLUSION OF ELECTRICAL EQUIPMENT FROM CLASS II AREAS
14 - A3 VIBRATION
14 - A4 BUILDING DESIGN
15 - A5 HOT SURFACES
16 - APPENDIX B - INFORMATION REGARDING INSTALLATION
16 - B1 GENERAL.
16 - B2 INFORMATION REQUIRED.
17 - APPENDIX C - INSPECTION, TESTING AND MAINTENANCE
17 - C1 FORMS OF INSPECTION
17 - C2 INSPECTION CHECKS
17 - C2.1 Area classification
17 - C2.2 Modifications
17 - C2.3 Surface temperature class
17 - C2.4 Marking
17 - C2.5 Circuit loop number/identification tag
17 - C2.6 Lamps and fuses
17 - C2.7 Earthing
17 - C2.8 Electrical connections
17 - C2.9 Damage
18 - C2.10 Compliance with documentation
18 - C3 MAINTENANCE
18 - C3.1 General
18 - C3.2 Check list
18 - C3.3 Removal of electrical equipment
18 - C3.4 Modification or repair.
19 - C3.5 Inspection after maintenance
19 - C4 RECORDS