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AS
AS 1076.7-1977

AS 1076.7-1977

Withdrawn

Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

Code of practice for selection, installation and maintenance of electrical apparatus and associated equipment for use in explosive atmospheres (other than mining applications) - Apparatus with type of protection 'n' - Non-sparking apparatus

Available format(s)

Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users

Withdrawn date

26-06-2021

Language(s)

English

Published date

01-01-1977

Publisher

Standards Australia

Preview

1 - AS 1076, PART 7-1977 SELECTION, INSTALLATION AND MAINTENANCE OF ELECTRICAL APPARATUS AND ASSOCIATED EQUIPMENT FOR USE .....
4 - PREFACE
6 - CONTENTS
7 - FOREWORD
9 - SECTION 1. GENERAL
9 - 1.1 SCOPE
9 - 1.2 DEFINITIONS
9 - 1.2.1 Type of Protection ‘n’
9 - 1.2.2 Enclosure
9 - 1.2.3 Restricted-breathing enclosure
9 - 1.2.4 Enclosed-break device
9 - 1.2.5 Hermetically sealed device
9 - 1.2.6 Clearance
9 - 1.2.7 Creepage distance
9 - 1.3 DESCRIPTION OF TECHNIQUE
10 - 1.4 RELEVANT SPECIFICATIONS
10 - 1.5 PERMISSIBLE ZONE OF USE
11 - 1.6 CONCEPT OF ZONE 2 AREA CLASSIFICATION
11 - 1.7 CERTIFICATION AND ASSESSMENT OF APPARATUS AND SYSTEMS
11 - 1.8 CLASS I ZONE 2 ‘DIVISION 2 APPROVED’ APPARATUS
12 - SECTION 2. THE SELECTION OF APPARATUS
12 - 2.1 GENERAL
12 - 2.2 TEMPERATURE CLASS
12 - 2.3 CONDITIONS OF USE
12 - 2.3.1 Electrical and Mechanical
12 - 2.3.2 Chemical Compatibility
12 - 2.4 APPARATUS GROUPING
13 - SECTION 3. INSTALLATION RECOMMENDATIONS
13 - 3.1 GENERAL
13 - 3.2 WIRING SYSTEMS
13 - 3.2.1 Choice of System
13 - 3.2.2 Permissible Types of Cable
14 - 3.2.3 Installation of Conduit Systems
14 - 3.2.4 Installation of Ducting Systems
14 - 3.2.5 Installation of Cables
15 - 3.2.6 Connection of Conductors
15 - 3.3 TESTS
16 - SECTION 4. INSPECTION AND MAINTENANCE
16 - 4.1 GENERAL
16 - 4.2 INITIAL AND PERIODIC INSPECTIONS
16 - 4.3 SPECIFIC MAINTENANCE REQUIREMENTS
17 - 4.4 ‘CLASS I DIVISION 2 APPROVED’ APPARATUS
20 - APPENDIX A - APPARATUS MARKING
20 - A1 GENERAL
20 - A2 MARKING REQUIREMENTS
20 - A3 APPARATUS GROUPING
21 - A4 TEMPERATURE CLASS.
21 - A5 APPARATUS WITH MULTIPLE TYPES OF PROTECTION
21 - A6 EXAMPLE OF MARKING
22 - A7 MARKING REQUIREMENTS FOR DIVISION 2 APPARATUS
22 - A7.1 Lighting Fittings
22 - A7.2 Other Apparatus
23 - APPENDIX B - COMPARISON BETWEEN TYPE OF PROTECTION ‘n’, AND ‘CLASS I DIVISION 2 APPROVED’ APPARATUS
23 - B1 INTRODUCTION
23 - B2 TEMPERATURE CLASS
23 - B3 IMPACT TEST
23 - B4 ENCLOSED-BREAK DEVICE
23 - B5 RESTRICTED BREATHING
24 - APPENDIX C - TEST FOR RESTRICTED BREATHING
24 - C1 ENCLOSURES
24 - C2 LIGHTING FITTINGS

Deals with apparatus certified or assessed in accordance with the requirements of type of protection 'n'. It does not apply to underground mining, but may be applied to certain surface mining installations. For the purpose of the Standard, explosion risks due to the presence of combustible gases and vapours only are considered.

This Part of the code offers guidance in the selection, installation and maintenance in Class 1 Zone 2 hazardous areas of electrical apparatus which is certified or assessed in accordance with the requirements of Type of Protection 'n': Non-sparking Apparatus. (For relevant specifications, see Rule 1.4.) For the purposes of this Part of the code, explosion risks due only to the presence of combustible gases and vapours are considered.

Committee
EL-014
DocumentType
Standard
ISBN
0 7262 1150 8
Pages
16
PublisherName
Standards Australia
Status
Withdrawn
Supersedes

Made Obsolescent 19-08-2013Under Revision See DR 95232

AS/NZS 2381.1:2005 Electrical equipment for explosive gas atmospheres - Selection, installation and maintenance - General requirements
HB 13-2007 Electrical equipment for hazardous areas
HB 13-2000 Electrical equipment for hazardous areas
MP 69-1993 Explosion-protected electrical equipment - Certification scheme - Policy
AS/NZS 2243.2:2006 Safety in laboratories Chemical aspects

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Hardcopy - English
PDF 1 User - English
PDF 3 Users - English
PDF 5 Users - English
PDF 9 Users - English
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