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    AS/NZS 3835.1:2006

    Current The latest, up-to-date edition.

    Earth potential rise - Protection of telecommunications network users, personnel and plant Code of practice

    Available format(s):  Hardcopy, PDF 1 User, PDF 3 Users, PDF 5 Users, PDF 9 Users

    Language(s):  English

    Published date:  27-09-2006

    Publisher:  Standards Australia

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

    1 - AS/NZS 3835.1:2006 EARTH POTENTIAL RISE-PROTECTION OF TELECOMMUNICATIONS NETWORK USERS, PERSONNEL AND PLANT - CODE OF...
    4 - PREFACE
    5 - CONTENTS
    7 - FOREWORD
    8 - SECTION 1 SCOPE AND GENERAL
    8 - 1.1 SCOPE
    8 - 1.2 EXCLUSIONS
    9 - 1.3 APPLICATION
    9 - 1.4 GENERAL
    10 - 1.5 REFERENCED DOCUMENTS
    12 - SECTION 2 DEFINITIONS
    12 - 2.1 DEFINITIONS RELATING TO POWER SYSTEMS
    12 - 2.1.1 Distribution substation
    12 - 2.1.2 HV site
    12 - 2.1.3 Voltage
    12 - 2.1.4 Multiple earthed neutral (MEN) system
    12 - 2.1.5 Normal operation or ‚normally™
    12 - 2.1.6 Overvoltage
    12 - 2.1.7 Power utility
    13 - 2.1.8 Total stress voltage
    13 - 2.2 DEFINITIONS RELATING TO HV CIRCUITS
    13 - 2.2.1 Category A circuit
    13 - 2.2.2 Category B circuit
    13 - 2.2.3 Category C circuit
    13 - 2.2.4 High reliability circuit
    14 - 2.3 DEFINITIONS RELATING TO HV INSTALLATION EARTHING
    14 - 2.3.1 Earthing system and elements
    15 - 2.3.2 Grid impedance
    15 - 2.3.3 Soil resistivity
    15 - 2.4 DEFINITIONS RELATING TO EARTH POTENTIALS
    15 - 2.4.1 Earth potential
    15 - 2.4.2 Earth potential rise (EPR)
    15 - 2.4.3 Hazard zone
    15 - 2.4.4 Remote earth
    15 - 2.4.5 Standing voltage
    15 - 2.4.6 Voltage gradient
    16 - 2.5 DEFINITIONS RELATING TO TELECOMMUNICATIONS
    16 - 2.5.1 Surge protection device (SPD)
    16 - 2.5.2 HV isolating link
    16 - 2.5.3 HV isolation device
    16 - 2.5.4 Low frequency induction (LFI)
    16 - 2.5.5 Main distribution frame (MDF)
    16 - 2.5.6 Public switched telephone network (PSTN)
    16 - 2.5.7 Telecommunications carrier
    16 - 2.5.8 Telecommunications facilities
    16 - 2.5.9 Telecommunications network boundary
    16 - 2.5.10 Hybrid fibre coax network
    17 - SECTION 3 EPR COORDINATION-PRINCIPLES AND PROCEDURES
    17 - 3.1 EPR HAZARD INVESTIGATION
    17 - 3.2 PLANNING
    18 - 3.3 CONSIDERATION OF POWER UTILITY CONSTRUCTION PROPOSALS
    18 - 3.3.1 HV sites (excluding distribution substations)
    18 - 3.3.2 HV circuits
    18 - 3.3.3 Distribution substations and miscellaneous HV earths
    19 - 3.4 CONSIDERATION OF TELECOMMUNICATIONS CARRIER CONSTRUCTION PROPOSALS
    19 - 3.5 AGREEMENT ON SOLUTION
    19 - 3.6 MINIMIZATION OF COSTS
    20 - SECTION 4 EPR HAZARD VOLTAGE LIMITS
    20 - 4.1 AUSTRALIAN LIMITS
    20 - 4.1.1 Australian EPR hazard voltage limits
    20 - 4.1.2 Limits for telecommunications exchanges and street located carrier equipment
    21 - 4.2 NEW ZEALAND EPR HAZARD VOLTAGE LIMITS
    22 - SECTION 5 ASSESSMENT OF EPR
    22 - 5.1 INTRODUCTION
    22 - 5.2 CONSIDERATION IN CONJUNCTION WITH LOW FREQUENCY INDUCTION (LFI)
    23 - SECTION 6 FIELD TESTS AND MEASUREMENTS
    23 - 6.1 GENERAL
    23 - 6.2 SAFETY PRECAUTIONS
    24 - SECTION 7 MITIGATION
    24 - 7.1 INTRODUCTION
    24 - 7.2 SCOPE OF MITIGATION
    24 - 7.3 MITIGATION MEASURES
    25 - 7.4 MITIGATION MEASURES APPLIED TO THE POWER SYSTEM PLANT
    25 - 7.5 MITIGATION MEASURES APPLIED TO TELECOMMUNICATIONS PLANT
    25 - 7.5.1 General
    25 - 7.5.2 Mitigation measures for telecommunications plant passing through an EPR hazard zone
    26 - 7.5.3 Mitigation measures for telecommunications plant terminating within a HV site or an EPR hazard zone
    31 - 7.5.4 Lightning and surge protection for telecommunications equipment at HV sites or within an EPR hazard zone
    31 - 7.5.5 Safety equipment and work practices for telecommunications personnel working at a HV site
    34 - APPENDIX A - SUBJECTS FOR AGREEMENT BETWEEN POWER UTILITIES AND TELECOMMUNICATIONS CARRIERS
    34 - A1 COST OBJECTIVE
    34 - A2 ALLOCATION OF COSTS (IN AUSTRALIA)
    35 - A3 ALLOCATION OF COSTS (IN NEW ZEALAND)
    35 - A4 COST ESTIMATES
    36 - APPENDIX B - REQUIREMENTS FOR HV ISOLATION EQUIPMENT
    36 - B1 SCOPE
    36 - B2 HV ISOLATING LINKS
    36 - B2.1 Classification
    36 - B2.2 Voltage withstand
    36 - B2.3 Accessibility of conductive parts
    36 - B3 HV ISOLATION DEVICES
    36 - B3.1 Voltage rating
    36 - B3.2 Voltage withstand
    38 - APPENDIX C - LIST OF ACRONYMS AND ABBREVIATIONS
    39 - APPENDIX D - BIBLIOGRAPHY

    Abstract - (Show below) - (Hide below)

    Specifies requirements and code of practice to minimize hazards due to earth potential rise for the protection of telecommunications network users, personnel and plant.

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

    Committee ET-007
    Development Note Standard has been given Pending Revision status.
    Document Type Standard
    Product Note Pending Revision indicates that as a result of the Aged Standards review process, the document needs updating. If no project proposal, meeting the quality criteria, is received within the 12 month timeframe, the document shall be withdrawn.
    Publisher Standards Australia
    Status Current
    Supersedes

    History - (Show below) - (Hide below)

    First published as AS/NZS 3835.1:2006.

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

    AS 4262.1-1995 Telecommunication overvoltages Protection of persons
    AS/NZS 60479.1:2002 Effects of current on human beings and livestock General aspects
    AS 4262.2-1999 Telecommunication overvoltages Protection of equipment
    AS/NZS 60695.2.10:2001 Glowing/hot wire based test methods Glow-wire apparatus and common test procedure
    AS/NZS 60695.1.1:2001 Fire hazard testing Guidance for assessing the fire hazard of electrotechnical products - General guidelines
    AS/NZS 3000:2000 Electrical installations (known as the Australian/New Zealand Wiring Rules)
    AS/NZS 2053.1:2001 Conduits and fittings for electrical installations General requirements (Reconfirmed 2016)
    AS/NZS 60695.2.13:2001 Fire hazard testing Glowing/hot wire based test methods - Glow-wire ignitability test method for materials (IEC 60695-2-13:2000, IDT)
    AS/NZS 60695.11.4:2004 Fire hazard testing Test flames - 50 W flames - Apparatus and confirmational test methods
    AS/NZS 60695.11.5:2005 Fire hazard testing Test flames - Needle-flame test method - Apparatus, confirmatory test arrangement and guidance
    HB 87-1997 (CJC 1) Joint use of poles, The placement on poles of power lines and paired cable telecommunications lines
    HB 101-1997 (CJC 5) Coordination of power and telecommunications - Low Frequency Induction (LFI) - Code of practice for the mitigation of hazardous voltages induced into telecommunications lines
    AS/NZS 2053.4:1995 Conduits and fittings for electrical installations Flexible plain conduits and fittings of insulating material (Reconfirmed 2016)
    AS 60695.4-2006 Fire hazard testing - Terminology concerning fire tests for electrotechnical products
    AS/NZS 60695.2.12:2001 Fire hazard testing Glowing/hot wire based test methods - Glow-wire flammability test method for materials
    AS/NZS 60695.2.11:2001 Fire hazard testing Glowing/hot wire based test methods - Glow-wire flammability test method for end-products (IEC 60695-2-11:2000, MOD)
    AS 60695.7.2-2006 Fire hazard testing Toxicity of fire effluent - Summary and relevance of test methods
    AS 60695.6.30-2006 Fire hazard testing Guidance and test methods on the assessment of obscuration hazard of vision caused by smoke opacity from electrotechnical products involved in fires - Small scale static method - Determination of smoke opacity - Description of the apparatus
    AS 1931.2-1996 High-voltage test techniques - Measuring systems
    AS 60695.6.1-2006 Fire hazard testing Smoke obscuration - General guidance
    AS 60695.6.2-2006 Fire hazard testing Smoke obscuration - Summary and relevance of test methods
    AS 60695.8.1-2006 Fire hazard testing Heat release - General guidance
    AS/NZS 1477:2006 PVC pipes and fittings for pressure applications
    AS/NZS 3835.2:2006 Earth potential rise - Protection of telecommunications network users, personnel and plant Application guide
    AS/NZS 60695.11.3:2004 Fire hazard testing Test flames - 500 W flames - Apparatus and confirmational test methods
    AS 60695.8.2-2006 Fire hazard testing Heat release - Summary and relevance of test methods
    AS 60529-2004 Degrees of protection provided by enclosures (IP Code) (Reconfirmed 2018)
    AS 60695.5.2-2006 Fire hazard testing Corrosion damage effects of fire effluent - Summary and relevance of test methods
    AS 60695.9.2-2006 Fire hazard testing Surface spread of flame - Summary and relevance of test methods
    AS 2225-1994 Insulating gloves for electrical purposes
    AS 60695.1.40-2006 Fire hazard testing Guidance for assessing the fire hazard of electrotechnical products - Insulating liquids
    AS 60695.7.3-2006 Fire hazard testing Toxicity of fire effluent - Use and interpretation of test results
    AS 60695.7.1-2006 Fire hazard testing Toxicity of fire effluent - General guidance
    AS 60695.9.1-2006 Fire hazard testing Surface spread of flame - General guidance
    HB 102-1997 (CJC 6) Coordination of power and telecommunications - Low Frequency Induction (LFI) - Application Guide to the LFI Code
    AS 60695.6.31-2006 Fire hazard testing Smoke obscuration - Small-scale static test - Materials
    AS 60695.10.3-2006 Fire hazard testing Abnormal heat - Mould stress relief distortion test
    AS 1931.1-1996 High-voltage test techniques - General definitions and test requirements
    AS/NZS 60695.10.2:2004 Fire hazard testing Abnormal heat - Ball pressure test
    AS 1319-1994 Safety signs for the occupational environment (Reconfirmed 2018)
    AS/NZS 60950.1:2003 Information technology equipment - Safety General requirements (IEC 60950-1:2001, MOD)
    AS/NZS 60695.11.2:2004 Fire hazard testing Test flames - 1 kW nominal pre-mixed flame - Apparatus, confirmatory test arrangement and guidance
    AS 60695.5.3-2006 Fire hazard testing Corrosion damage effects of fire effluent - Leakage-current and metal-loss test method
    AS 60695.5.1-2006 Fire hazard testing Corrosion damage effects of fire effluent - General guidance
    HB 100-2000 (CJC 4) COORDINATION OF POWER AND TELECOMMUNICATIONS - Manual for the establishment of safe work practices and the minimization of operational interference between power systems and paired cable telecommunications systems
    AS 60695.11.40-2006 Fire hazard testing Test flames - Confirmatory tests - Guidance
    AS 60695.7.51-2006 Fire hazard testing Toxicity of fire effluent - Estimation of toxic potency - Calculation and interpretation of test results
    AS 60695.7.50-2006 Fire hazard testing Toxicity of fire effluent - Estimation of toxic potency - Apparatus and test method
    AS 60695.11.21-2006 Fire hazard testing Test flames - 500 W vertical flame test method for tubular polymeric materials
    AS/NZS 1768(INT):2003 Lightning protection
    AS/NZS 60695.11.10:2001 Fire hazard testing Test flames - 50 W horizontal and vertical flame test methods
    AS/NZS 60695.11.20:2001 Fire hazard testing Test flames - 500 W flame test methods

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

    HB 219:2006 Earth potential rise - Protection of telecommunications network users, personnel and plant - Worked examples for the application guide (Reconfirmed 2020)
    AS/NZS 1768:2007 Lightning protection
    AS/NZS 7000:2016 Overhead line design
    HB 331-2012 Overhead line design
    AS 2067-2008 Substations and high voltage installations exceeding 1 kV a.c.
    AS/NZS 3084:2017 Telecommunications installations - Telecommunications pathways and spaces for commercial buildings
    AS/NZS 7000:2010 Overhead line design - Detailed procedures
    AS 2067:2016 Substations and high voltage installations exceeding 1 kV a.c.
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