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AS/NZS 4836:2023
[Current]Safe working on or near low-voltage and extra-low voltage electrical installations and equipment
AS/NZS 4836:2023 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.
Published: 03/03/2023
Pages: 85
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 Application
1.3 Normative references
1.4 Terms and definitions
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
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
3.1.4.1 General
3.1.4.2 Padlocks
3.1.4.3 Tags
3.1.4.3.1 General
3.1.4.3.2 Danger tags
3.1.4.3.3 Warning and out of service tags
3.1.4.3.4 Removal of tags
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
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
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
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
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
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
9 Test equipment
9.1 General
9.2 Electrical safety
9.3 Suitability of equipment
10 Supervision
10.1 General
10.2 Supervision of work
10.3 Supervision of equipment
11 Personal protective equipment
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
A.1 Safe work method statement
A.2 Information included in the SWMS
Appendix B
B.1 General
B.2 Identify the hazard
B.3 Assess the risk of arc flash
B.4 Use the hierarchy of controls to treat the risk
B.5 Engineering controls
B.6 Administrative controls
B.7 Personal protective equipment
B.8 Clearance on or near low voltage and extra low voltage within an enclosed switchboard
B.9 High risk arc flash tasks
B.9.1 Compartment tasks
B.9.2 Switchboard tasks
B.10 Arc flash and PPE
B.11 Arc flash labelling
B.12 Arc flash hazard management
B.13 Arc flash boundaries
B.14 Arc fault scenarios
B.15 Risk mitigation
Appendix C
C.1 General
C.2 Basic life support
C.3 DRSABCD method
C.3.1 Danger
C.3.2 Response
C.3.3 Send for help
C.3.4 Airway
C.3.5 Breathing
C.3.6 CPR
C.3.7 Defibrillate
Appendix D
D.1 General
D.2 Process steps for lock out tag out
D.3 Equipment
Appendix E
Appendix F
Bibliography
Cited references in this standard
AS/NZS 61558 (all parts)
Safety of power transformers, power supply units and similar
[Current]
Residual current operated circuit-breakers with integral overcurrent protection for household and similar uses (RCBOs), Part 1: General rules (IEC 61009-1, Ed. 3.2 (2013) MOD)
[Current]
Residual current operated circuit-breakers without integral overcurrent protection for household and similar uses (RCCBs), Part 1: General rules (IEC 61008-1, Ed. 3.2 (2013) MOD)
Content history
[Available Superseded]
[Superseded]
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