Standard
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AS/NZS 3001.2:2022
[Current]Electrical installations — Connectable electrical installations and supply arrangements, Part 2: Connectable electrical installations
Specifies requirements for electrical installations associated with connectable electrical installation s used for the purposes of accommodation, habitation or other residential, commercial purposes or recreational uses that are intended for connection to external low voltage a.c. supply systems (i.e. 50 V a.c. to 1000 V a.c.) by either a detachable supply lead or a supply lead directly connected to the connectable electrical installation. Includes requirements and provides guidance for the installation of extra-low voltage systems (i.e. less than 50 V a.c. or 120 V d.c. ripple free).
Published: 18/11/2022
Pages: 129
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
Introduction
1 Scope and general
1.1 Scope
1.1.1 General
1.1.2 Inclusions
1.1.2.1 Relocatable units
1.1.2.2 Recreational vehicles
1.1.2.3 Non-recreational vehicles
1.1.3 Exclusions
1.2 Application
1.3 Normative references
1.4 Terms and definitions
1.5 Alterations and repairs
1.5.1 Alterations
1.5.1.1 General
1.5.1.2 New Zealand
1.5.2 Repairs
1.5.2.1 General
1.5.2.2 Switchboard replacement
2 Electrical supplies for connectable electrical installations
2.1 General
2.2 Supply systems
2.3 Generation
2.3.1 Generating sets (motor generator set)
2.3.2 Inverters
2.4 Provision for connection to electrical supply
2.4.1 General
2.4.2 Direct connection
2.4.3 Permanent connection of the supply lead
2.4.4 Detachable connection of the supply lead
2.4.5 Multiple connections
2.5 Supply lead
2.5.1 General
2.5.2 Technical details
2.5.3 Length
2.5.4 Coiled leads
2.6 External source of supply
2.6.1 Limitation of incoming supply current
2.6.2 Earthing
2.6.3 Phase sequence sensors
2.6.3.1 Multi-phase installations
2.6.3.2 Location
2.6.4 Protection against incorrect polarity
2.6.4.1 General
2.6.4.2 Transposition sensor
2.7 Multiple sources of supply
2.7.1 General
2.7.2 Onboard supplies
2.7.2.1 General
2.7.2.2 Internal/onboard low voltage supplies
2.7.2.3 Inverter/inverter charger units
2.7.2.3.1 General
2.7.2.3.2 Inverters and inverter charger requirements
2.7.2.3.3 Final sub-circuits supplied by inverter and inverter charger units
2.7.2.3.4 Inverter and inverter charger installation location
2.7.2.3.5 Inverter and inverter charger nameplate information requirements
2.7.2.4 Onboard uninterruptible power supplies
2.7.2.4.1 General
2.7.2.4.2 External UPS batteries
2.7.3 Connection to installation
2.7.4 Earthing of supply source equipment
2.7.5 Supply source connections to earthing system
2.7.6 General requirements for solar photovoltaic supply
2.7.7 Inter-relationship of supplies
2.7.7.1 Low voltage supplies
2.7.7.2 Isolation between sources
2.7.7.3 Sources live simultaneously
2.7.7.4 Voltage rating
2.7.7.5 Location
2.7.8 Insulation monitoring system
2.7.8.1 General
2.7.8.2 Insulation monitoring first fault
2.7.8.3 Insulation monitoring first and second fault
3 Relocatable units
3.1 General
3.2 Alterations and repairs
3.3 Supplies
3.4 Transposition sensor and phase sequence sensors
3.5 Protection
3.5.1 Maximum demand
3.5.2 Control of electrical installation
3.5.3 Protection against overcurrent
3.5.3.1 Current limitation of the incoming supply
3.5.3.2 In Australia
3.5.3.3 Final subcircuit overcurrent protection
3.5.4 Additional protection by residual current devices
3.6 Switchboards
3.7 Wiring systems for relocatable units
3.7.1 General
3.7.2 Selection
3.7.3 External influences
3.7.4 Installation requirements
3.7.4.1 General
3.7.4.2 Cables in contact with polystyrene or polyurethane
3.7.4.3 Segregation of wiring systems
3.7.5 Identification
3.8 Electrical equipment and accessories
3.8.1 General
3.8.2 Connection of electrical equipment (supply by flexible cords)
3.8.2.1 Type of socket-outlets
3.8.2.2 Switching
3.8.2.3 External socket-outlets
3.8.2.4 Termination of different wiring systems within accessories
3.8.2.5 Labelling of socket-outlets
3.8.3 Light switches
3.8.4 Mounting
3.8.5 Smoke alarms
3.8.6 Appliances
3.8.6.1 Control
3.8.6.2 Gas appliances and equipment
3.9 Earthing
3.9.1 General
3.9.2 Equipotential bonding
3.10 Electrical installation in damp situations
3.10.1 General
3.10.2 External fixed water containers
3.10.3 Washdown facilities
4 Recreational vehicles and non-recreational vehicles
4.1 General
4.2 Alterations and repairs
4.3 Supplies
4.4 Transposition sensor and phase sequence sensor
4.5 Protection
4.5.1 Maximum demand
4.5.2 Control of electrical installation
4.5.3 Protection against overcurrent
4.5.3.1 Current limitation of the incoming supply
4.5.3.2 Final subcircuit overcurrent protection
4.5.4 Additional protection by residual current devices
4.5.4.1 General
4.5.4.2 Location of RCD protection
4.6 Switchboards
4.6.1 General
4.6.2 Switchboard enclosure
4.6.3 Location
4.6.4 Restricted locations
4.6.4.1 Water containers and fixed or stationary cooking appliances
4.6.4.2 In cupboards
4.6.5 Equipment identification
4.6.5.1 General
4.6.5.2 Near baths and showers
4.6.6 Suitability
4.6.7 Orientation of protection devices
4.6.8 Fire-protective measures
4.6.9 Neutral bar
4.7 Wiring systems for recreational vehicles or non-recreational vehicles
4.7.1 General
4.7.2 Selection
4.7.3 External influences
4.7.4 Installation requirements
4.7.4.1 Fixing of installation wiring
4.7.4.2 Cables in contact with polystyrene or polyurethane
4.7.4.3 Connections
4.7.5 Segregation of wiring systems
4.7.5.1 Automotive wiring systems
4.7.5.2 Recreational vehicle or non-recreational vehicle wiring systems
4.7.6 Identification
4.8 Electrical equipment and accessories
4.8.1 Socket-outlets
4.8.1.1 Type of socket-outlets
4.8.1.2 Switching
4.8.1.3 External socket-outlets
4.8.1.4 Termination of different wiring systems within accessories
4.8.1.5 Labelling of socket-outlets
4.8.1.6 Light switches
4.8.1.7 Mounting
4.8.1.8 Smoke alarms
4.9 Appliances
4.9.1 Control of directly connected appliances
4.9.2 Fixed appliances supplied by a flexible cord and plug top
4.9.3 Fixed appliances supplied by a flexible cord as installation wiring
4.9.4 Prohibited locations
4.10 Gas appliances and equipment
4.10.1 General
4.10.2 Gas appliances
4.10.3 Electrical requirements for hazardous areas in or on a recreational or non-recreational vehicle
4.10.3.1 General
4.10.3.2 Electrical equipment installed within gas cylinder storage enclosures (lockers)
4.10.3.3 Electrical equipment installed near external gas cylinders
4.10.3.4 Encapsulated electrical devices
4.10.3.5 Gas pipework
4.11 Earthing
4.11.1 Main protective earthing conductor (MPEC)
4.11.2 Main protective earthing conductor with multiple supplies
4.11.3 Main protective earthing conductor installation requirements
4.11.4 Mechanical protection
4.11.5 Size
4.11.6 Isolation of the protective earthing conductors
4.11.7 Structural metalwork including conductive building materials, equipment and appliances
4.12 Electrical installation in damp situations
4.12.1 General
4.12.2 Classification of internal zones of a vehicle
4.12.2.1 Internal baths and showers
4.12.2.2 Other fixed water containers
4.12.3 Selection and installation of electrical equipment
4.12.4 Classification of external zones for a recreational vehicle — external showers
5 Extra-low voltage d.c. electrical installations
5.1 General
5.2 Supplies
5.3 Prevention of mutual detrimental influences
5.4 Connectable electrical installation batteries
5.4.1 General
5.4.2 Type of battery
5.4.3 Capacity
5.4.4 Terminals
5.4.5 Installation
5.4.6 Charging
5.4.7 Isolation, switching and control
5.4.7.1 Protection device
5.4.7.2 Location of protection devices
5.4.7.3 Conductors
5.4.8 Provision for connectable electrical installation battery
5.4.9 No provision for connectable electrical installation battery
5.4.10 Proximity to non-electrical services
5.4.10.1 Protective devices
5.4.10.2 Metallic services line
5.4.11 Lead acid batteries requirements
5.4.11.1 General
5.4.11.2 Requirements for external installation
5.4.11.2.1 General
5.4.11.2.2 Location
5.4.11.2.3 Spill tray
5.4.11.2.4 Ventilation
5.4.11.3 Requirements for internal installation
5.4.11.3.1 General
5.4.11.3.2 Location of enclosure
5.4.11.3.3 Spill tray
5.4.11.4 Ventilation
5.4.11.5 Calculating ventilation requirements
5.4.12 Lithium ion battery requirements
5.4.12.1 General
5.4.12.2 Location
5.4.12.3 Battery management safety system
5.4.12.3.1 Requirements
5.4.12.3.2 Location
5.4.12.3.3 Electrical protection
5.4.12.3.4 Monitoring device
5.4.12.3.5 Commissioning
5.5 Other sources of supply
5.5.1 Extra-low voltage generators and transformer/rectifier units
5.5.2 Renewable energy sources
5.5.2.1 General
5.5.2.2 Photovoltaic arrays
5.5.2.2.1 General
5.5.2.2.2 Photovoltaic wiring system
5.5.2.2.3 Overcurrent protection
5.5.2.3 Circuit breakers for PV arrays
5.5.2.3.1 General
5.5.2.3.2 PV module installation requirements on connectable electrical installations
5.5.2.3.3 Plugs, sockets and connectors
5.5.2.3.4 Fuses
5.5.2.4 Fuse holders
5.6 Isolation, switching and control
5.6.1 Devices for protection against overcurrent
5.6.2 Fuses
5.6.3 Proximity to non-electrical services
5.6.4 Wiring systems
5.6.4.1 General
5.6.4.2 Types of wiring systems
5.6.4.3 Current-carrying capacities
5.6.4.4 Voltage drop in extra-low voltage installations
5.6.4.5 Proximity of wiring systems to other services
5.6.4.6 Identification
5.7 Extra-low voltage accessories
5.7.1 General
5.7.2 Socket-outlets
5.7.3 Battery chargers
5.7.4 External lights
5.7.5 Inlets
5.8 Extra-low voltage appliances
6 Verification
6.1 Application
6.2 General requirements
6.2.1 Initial verification
6.2.2 Initial verification following repairs
6.2.3 Testing of earth connections in New Zealand
6.3 Initial verification inspection and tests
6.3.1 General
6.3.2 Inspection
6.3.3 Testing
6.4 Periodic verification
6.4.1 In Australia
6.4.2 In New Zealand
Appendix A
A.1 General
A.2 Connections to site supply
A.2.1 General
A.2.2 Site installation of supply lead — safety considerations
A.2.2.1 General
A.2.2.2 Location and protection
A.2.2.3 Underground cabling
A.2.2.4 Number of supply lead connections
A.2.2.5 Undesirable supply lead connections
A.3 Supply to electrical equipment
A.3.1 One item to be supplied
A.3.2 Multiple items to be supplied
A.4 Connection of supply
A.4.1 General
A.4.2 Multiple loads
A.4.3 Outlet boxes
A.4.3.1 General
A.4.3.2 Construction
A.4.3.3 Termination of supply lead
A.4.3.4 Overcurrent protection
A.4.3.4.1 General
A.4.3.4.2 Rating
A.4.3.4.3 Operation
A.4.4 Protection against earth leakage current
A.4.5 Control switches
A.4.6 Marking
A.4.7 Socket-outlets
A.4.8 Earthing
A.5 Lighting
A.5.1 Handlamps
A.5.2 Other lighting equipment
Appendix B
Appendix C
Appendix D
D.1 Introduction
D.2 Initial verification
D.3 Periodic verification
D.4 Inspection of connectable installations
D.4.1 Exposed live parts
D.4.2 Unearthed metallic parts
D.4.3 Exposed basic insulation
D.4.4 Damage
D.4.5 Overcurrent protection
D.4.6 Protection against the ingress of moisture
D.4.7 Inlet plugs (appliance inlets)
D.4.8 Supply lead plug
D.4.9 Supply lead
D.4.10 Electricity supply arrangements
D.4.11 RCD requirements
D.4.12 External socket-outlets
D.4.13 Socket-outlets
D.4.13.1 Low voltage
D.4.13.2 Extra-low voltage
D.4.14 Electrical equipment near gas installations
D.4.15 Batteries and battery compartments
D.4.16 Photovoltaic arrays
D.4.17 Appliances
D.4.18 Damp situations
D.5 Testing of connectable installations
D.5.1 Polarity and phase rotation of socket-outlets
D.5.2 Operation of RCDs
D.5.3 Polarity of the supply lead(s) and inlet plug(s)
D.5.4 Polarity and phase rotation sensors
D.5.5 Continuity of earthing conductors
D.5.6 Segregation of extra-low voltage and low voltage
D.5.7 Insulation resistance
D.5.8 Multiple electricity supply systems
D.5.8.1 Changeover switch testing
D.5.8.2 Electricity supply source connections
D.5.8.2.1 Isolated or equipotentially bonded supplies
D.5.8.2.2 RCD protected supplies
D.6 Warrant of Electrical Fitness checklist, form and sticker
D.6.1 Checklist
D.6.2 Warrant of Electrical Fitness (WoEF) form and sticker
D.6.2.1 WoEF form
D.6.2.2 WoEF sticker
Appendix E
E.1 Introduction
E.1.1 General
E.1.2 Application
E.2 Initial verification for WoEF issue
E.2.1 General
E.2.2 Periodic verification
E.2.3 WoEF required before sale in New Zealand
E.3 Connectable installations claiming to be compliant with AS/NZS 3000 and this Standard
E.3.1 Initial verification in New Zealand
E.3.2 Periodic verification
E.4 Connectable installations claiming to be compliant with IEC or BS Standards
E.4.1 Evidence
E.4.1.1 Recreational vehicles
E.4.1.2 Other connectable installations
E.4.1.3 Evidence insufficient
E.4.2 Initial verification
E.4.2.1 Recreational vehicles complying with IEC 60364‑7‑721
E.4.2.2 Mobile units complying with IEC 60364‑7‑717
E.4.3 Additional checks and tests
E.4.3.1 General
E.4.3.2 Mechanical damage
E.4.3.3 Protection against earth leakage current
E.4.3.4 Socket-outlets
E.4.3.4.1 Low voltage
E.4.3.4.2 Extra-low voltage
E.4.3.5 Testing
E.4.3.5.1 General
E.4.3.5.2 Appliances
E.5 Other connectable installations
E.5.1 General
E.5.2 Inspection
E.5.2.1 Voltage
E.5.2.1.1 Rating
E.5.2.1.2 Non-standard voltage
E.5.2.1.3 Segregation of different voltages
E.5.2.2 Frequency
E.5.2.3 Protection against shock
E.5.2.4 Control and protection
E.5.2.4.1 Switchboard
E.5.2.4.2 Separated circuits
E.5.2.4.3 Semi-enclosed rewireable fuses
E.5.2.4.4 Protection against earth leakage current
E.5.2.5 Wiring systems
E.5.2.5.1 Identification of conductors
E.5.2.5.2 Mechanical damage
E.5.2.5.3 Stranding
E.5.2.6 Socket-outlets
E.5.2.6.1 Low voltage
E.5.2.6.2 Extra-low voltage
E.5.2.7 Appliances
E.5.3 Certification of conversion work
E.5.4 Testing
E.5.4.1 Isolating transformers
Appendix F
Bibliography
Cited references in this standard
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