Standard
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AS/NZS 3835.1:2006
[Pending Revision]Earth potential rise — Protection of telecommunications network users, personnel and plant, Part 1: Code of practice
Specifies requirements and code of practice to minimize hazards due to earth potential rise for the protection of telecommunications network users, personnel and plant.
Published: 27/09/2006
Pages: 33
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
Foreword
1 Scope and general
1.1 Scope
1.2 Exclusions
1.3 Application
1.4 General
1.5 Referenced documents
2 Definitions
2.1 Definitions relating to power systems
2.2 Definitions relating to HV circuits
2.3 Definitions relating to HV installation earthing
2.4 Definitions relating to earth potentials
2.5 Definitions relating to telecommunications
3 EPR coordination—Principles and procedures
3.1 EPR hazard investigation
3.2 Planning
3.3 Consideration of power utility construction proposals
3.3.1 HV sites (excluding distribution substations)
3.3.2 HV circuits
3.3.3 Distribution substations and miscellaneous HV earths
3.4 Consideration of telecommunications carrier construction proposals
3.5 Agreement on solution
3.6 Minimization of costs
4 EPR hazard voltage limits
4.1 Australian limits
4.1.1 Australian EPR hazard voltage limits
4.1.2 Limits for telecommunications exchanges and street located carrier equipment
4.2 New Zealand EPR hazard voltage limits
5 Assessment of EPR
5.1 Introduction
5.2 Consideration in conjunction with low frequency induction (LFI)
6 Field tests and measurements
6.1 General
6.2 Safety precautions
7 Mitigation
7.1 Introduction
7.2 Scope of mitigation
7.3 Mitigation measures
7.4 Mitigation measures applied to the power system plant
7.5 Mitigation measures applied to telecommunications plant
7.5.1 General
7.5.2 Mitigation measures for telecommunications plant passing through an EPR hazard zone
7.5.3 Mitigation measures for telecommunications plant terminating within a HV site or an EPR hazard zone
7.5.3.1 Isolation
7.5.3.2 EPR mitigation design
7.5.3.3 Choosing and installing isolation equipment
7.5.4 Lightning and surge protection for telecommunications equipment at HV sites or within an EPR hazard zone
7.5.5 Safety equipment and work practices for telecommunications personnel working at a HV site
Appendix A
A1 Cost objective
A2 Allocation of costs (in Australia)
A3 Allocation of costs (in New Zealand)
A4 Cost estimates
Appendix B
B1 Scope
B2 HV isolating links
B2.1 Classification
B2.2 Voltage withstand
B2.2.1 Rated voltage test
B2.3 Accessibility of conductive parts
B3 HV Isolation devices
B3.1 Voltage rating
B3.2 Voltage withstand
B3.2.1 Rated voltage test
B3.2.2 Lightning impulse test (in Australia)
Appendix C
Appendix D
Cited references in this standard
[Withdrawn]
High-voltage test techniques, Part 1: General definitions and test requirements
[Current]
Degrees of protection provided by enclosures (IP Code) (IEC 60529:1989 (ED. 2.2) MOD)
Content history
DR 04471
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