AS/NZS 4836:2023
Safe working on or near low-voltage and extra-low voltage electrical installations and equipment
Standard outlines principles, guidelines, and procedures for safe work on or near low‐voltage and extra‐low voltage electrical installations and equipment. It provides a minimum set of procedures, safety requirements and recommendations to manage the hazards associated with electricity, specifically arc blast, arc flash, electric shock, and electrocution.
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AS/NZS 4836:2023 Safe working on or near low-voltage and extra-low voltage electrical installations and equipment
Preface
Foreword
Section 1 Scope and general
1.1 Scope
1.2 Application
1.3 Normative references
1.4 Terms and definitions
Section 2 Principles of risk management
2.1 General
2.2 Principles
2.3 Identify the hazards
2.3.1 General
2.3.2 Electrical hazards
2.3.3 Electric shock
2.3.4 Arc blast and flash injuries
2.3.5 Hazardous areas
2.3.6 Other risk factors
2.3.7 Work zone
2.4 Assess and prioritize risk
2.5 General risk control measures
2.6 Monitor and review
2.7 Means of reducing risk
2.8 Work permit system
Section 3 Isolation, fault-finding and testing
3.1 Isolation
3.1.1 Isolation principles
3.1.2 Identification of electrical equipment and isolation points
3.1.3 Isolation of electrical equipment
3.1.4 Isolation securing devices and identification
3.1.5 Proving de-energization
3.1.6 Temporary bonding of conductors
3.1.7 Identify the safe area of work
3.1.8 Work on de-energized electrical equipment
3.2 Fault-finding and testing
3.3 Testing plug-in electrical equipment
Section 4 Risk control for specific situations
4.1 General
4.2 Safety observer
4.3 Specific situations
4.3.1 Work on or near exposed energized conductors and live conductive parts
4.3.2 Capacitors
4.3.3 Hazardous areas
4.3.4 Trafficable areas
4.3.5 Areas of reduced mobility
4.3.6 Illumination
4.3.7 Batteries and d.c. supplies
4.3.8 Electrical equipment producing high voltages (HVs)
4.3.9 Electromotive force — Induced voltage
4.3.10 Material containing asbestos
4.3.11 Electrical equipment containing polychlorinated biphenyl (PCB)
4.3.12 Lightning
4.3.13 Cutting cables or wiring enclosures
4.3.14 Removing out-of-service electrical equipment and cables
4.3.15 Control measures when leaving work unfinished
Section 5 Work on or near elevated electrical equipment, poles, structures and overhead conductors
5.1 General
5.2 Precautions before working on poles or structures
5.3 Work on conductive poles or structures
5.4 Erection of electrical equipment or conducting materials
Section 6 Working below ground on cables or services
6.1 General
6.2 Site assessment
6.3 Excavation of and near to cables and services
6.4 Identify the cable
6.5 Cable identification methods
6.6 Other site risk factors when excavating underground
6.7 Cutting underground cables and wiring enclosures
Section 7 Energization of electrical installation or equipment
7.1 Initial energization of the electrical installation or equipment
7.2 Re-energization of the electrical installation or equipment
7.3 Extra-low voltage
Section 8 Safety equipment and tools
8.1 General
8.2 Insulated tools and equipment
8.3 Portable electric tools
8.3.1 General
8.3.2 Protection
8.3.3 Risk of exposed conductive parts becoming energized
8.4 Ladders and step ladders
8.4.1 General
8.4.2 Use of electrically conductive ladders
8.5 Insulating barriers, covers and mats
8.5.1 Barriers
8.5.2 Insulating covers and mats
Section 9 Test equipment
9.1 General
9.2 Electrical safety
9.3 Suitability of equipment
Section 10 Supervision
10.1 General
10.2 Supervision of work
10.3 Supervision of equipment
Section 11 Personal protective equipment
Section 12 Electrical incidents
12.1 Medical attention
12.2 Preservation of incident scene
12.3 Reporting
12.3.1 General
12.3.2 Incident report
Appendix A (informative) SWMS risk assessment form
Appendix B (informative) Arc flash guidelines
Appendix C (informative) Electric shock survival
Appendix D (informative) Lock out tag out
Appendix E (informative) Bowtie analysis
Appendix F (informative) Guidance on materials containing asbestos in the electrical industry
Bibliography
Previous versions
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References
Eye and face protection - Guidelines
Personal eye-protection - Part 1: Eye and face protectors for occupational applications
Respiratory protective devices
Occupational protective helmets
Occupational protective gloves - Protection against thermal risks (heat and fire)
Safety of transformers, reactors, power supply units and combinations thereof – Part 1: General requirements and tests
Safety of transformers, reactors power supply units and combinations thereof - Part 2.15: Particular requirements and tests for isolating transformers for the supply of medical locations
Safety of transformers, reactors, power supply units and combinations thereof – Part 2.16: Particular requirements and tests for switch mode power supply units and transformers for switch mode power supply units for general applications
Safety of power transformers, power supply units and similar - Particular requirements - Transformers for switch mode power supplies
Safety of transformers, reactors, power supply units and combinations thereof - Part 2.23: Particular requirements and tests for transformers and power supply units for construction sites
Safety of transformers, reactors, power supply units and combinations thereof - Part 2.3: Particular requirements and tests for ignition transformers for gas and oil burners
Safety of transformers, reactors, power supply units and combinations thereof – Part 2.4: Particular requirements and tests for isolating transformers and power supply units incorporating isolating transformers for general applications
Safety of transformers, reactors, power supply units and combinations thereof – Part 2.5: Particular requirements and test for transformers for shavers, power supply units for shavers and shaver supply units
Safety of power transformers, power supply units and similar - Particular requirements - Particular requirements for transformers and power supplies for toys
Safety of transformers, reactors, power supply units and combinations thereof - Part 2.8: Particular requirements and tests for transformers and power supply units for bells and chimes
Safety of power transformers, power supplies, reactors and combinations thereof - Part 2.9: Particular requirements for transformers and power supply units for class III handlamps for tungsten filament lamps
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AS/NZS 4836:2023 Safe working on or near low-voltage and extra-low voltage electrical installations and equipment
Preface
Foreword
Section 1 Scope and general
1.1 Scope
1.2 Application
1.3 Normative references
1.4 Terms and definitions
Section 2 Principles of risk management
2.1 General
2.2 Principles
2.3 Identify the hazards
2.3.1 General
2.3.2 Electrical hazards
2.3.3 Electric shock
2.3.4 Arc blast and flash injuries
2.3.5 Hazardous areas
2.3.6 Other risk factors
2.3.7 Work zone
2.4 Assess and prioritize risk
2.5 General risk control measures
2.6 Monitor and review
2.7 Means of reducing risk
2.8 Work permit system
Section 3 Isolation, fault-finding and testing
3.1 Isolation
3.1.1 Isolation principles
3.1.2 Identification of electrical equipment and isolation points
3.1.3 Isolation of electrical equipment
3.1.4 Isolation securing devices and identification
3.1.5 Proving de-energization
3.1.6 Temporary bonding of conductors
3.1.7 Identify the safe area of work
3.1.8 Work on de-energized electrical equipment
3.2 Fault-finding and testing
3.3 Testing plug-in electrical equipment
Section 4 Risk control for specific situations
4.1 General
4.2 Safety observer
4.3 Specific situations
4.3.1 Work on or near exposed energized conductors and live conductive parts
4.3.2 Capacitors
4.3.3 Hazardous areas
4.3.4 Trafficable areas
4.3.5 Areas of reduced mobility
4.3.6 Illumination
4.3.7 Batteries and d.c. supplies
4.3.8 Electrical equipment producing high voltages (HVs)
4.3.9 Electromotive force — Induced voltage
4.3.10 Material containing asbestos
4.3.11 Electrical equipment containing polychlorinated biphenyl (PCB)
4.3.12 Lightning
4.3.13 Cutting cables or wiring enclosures
4.3.14 Removing out-of-service electrical equipment and cables
4.3.15 Control measures when leaving work unfinished
Section 5 Work on or near elevated electrical equipment, poles, structures and overhead conductors
5.1 General
5.2 Precautions before working on poles or structures
5.3 Work on conductive poles or structures
5.4 Erection of electrical equipment or conducting materials
Section 6 Working below ground on cables or services
6.1 General
6.2 Site assessment
6.3 Excavation of and near to cables and services
6.4 Identify the cable
6.5 Cable identification methods
6.6 Other site risk factors when excavating underground
6.7 Cutting underground cables and wiring enclosures
Section 7 Energization of electrical installation or equipment
7.1 Initial energization of the electrical installation or equipment
7.2 Re-energization of the electrical installation or equipment
7.3 Extra-low voltage
Section 8 Safety equipment and tools
8.1 General
8.2 Insulated tools and equipment
8.3 Portable electric tools
8.3.1 General
8.3.2 Protection
8.3.3 Risk of exposed conductive parts becoming energized
8.4 Ladders and step ladders
8.4.1 General
8.4.2 Use of electrically conductive ladders
8.5 Insulating barriers, covers and mats
8.5.1 Barriers
8.5.2 Insulating covers and mats
Section 9 Test equipment
9.1 General
9.2 Electrical safety
9.3 Suitability of equipment
Section 10 Supervision
10.1 General
10.2 Supervision of work
10.3 Supervision of equipment
Section 11 Personal protective equipment
Section 12 Electrical incidents
12.1 Medical attention
12.2 Preservation of incident scene
12.3 Reporting
12.3.1 General
12.3.2 Incident report
Appendix A (informative) SWMS risk assessment form
Appendix B (informative) Arc flash guidelines
Appendix C (informative) Electric shock survival
Appendix D (informative) Lock out tag out
Appendix E (informative) Bowtie analysis
Appendix F (informative) Guidance on materials containing asbestos in the electrical industry
Bibliography
Previous versions
AS/NZS 4836:2023
Online Library subscription information
Online library subscriptions provide a cost-effective solution for organisations of any size to access the latest standards, offering 24/7 access to a personalised catalogue. The service ensures subscribers have have the most up-to-date version of selected standards, incluing automatic updates for any amendments or versions. Pricing is dependent on the chosen standards and the number of concurrent users, with discounts applied from the standards PDF price. For customised subscriptions or further inquiries, contact the Online Library team.