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AS/NZS 3004.2:2014
[Current]Electrical installations — Marinas and boats, Part 2: Boat installations
Specifies requirements for the design, construction and installation of electrical systems in boats that have a length of up to 50 m, and are designed for use on inland waters or at sea.
Published: 27/06/2014
Pages: 61
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
1 Scope and general
1.1 Scope
1.2 Application
1.3 Referenced and related documents
1.3.1 Referenced documents
1.3.2 Related documents
1.4 Definitions
2 General requirements
2.1 Ratings
2.2 Ambient air and cooling water temperature
2.3 Inclination of boat
2.4 Voltage and frequency variations
2.4.1 General
2.4.2 d.c. systems
2.4.3 a.c. systems
2.4.4 Adverse effects and its interference
2.5 Electrical power sources
2.5.1 General
2.5.2 d.c. systems supplied from batteries
2.5.3 d.c. generator
2.5.4 a.c. systems
2.5.4.1 Power source
2.5.4.2 Restrictions on combining power sources
2.5.5 a.c. generator
2.5.6 Measuring instruments
2.5.6.1 General
2.5.6.2 Instruments for batteries
2.5.6.3 Instruments for d.c. generators
2.5.6.4 Instruments for a.c. generators
2.6 Equipment
2.6.1 Transformers
2.6.2 Converters
2.6.3 Inverters and inverter/chargers
2.6.4 Galvanic isolator
2.7 Equipment construction
2.7.1 General requirement
2.7.2 General degree of protection of equipment and enclosures
2.7.3 Protection from dripping water
2.7.4 Cable entry
2.7.5 Identification
2.7.6 Segregation of d.c. and a.c. systems and systems of different voltages
2.7.7 Busbars
2.7.8 Switches and controls
2.7.9 Final subcircuits
2.8 Plugs and socket-outlets
2.8.1 a.c. system
2.8.2 Mixed a.c. and d.c. systems
2.8.3 Installation in special locations
2.9 Battery installation
2.9.1 General arrangements
2.9.2 Ventilation
2.9.2.1 General
2.9.2.2 Minimum exhaust rate
2.9.2.3 Natural ventilation
2.9.3 Additional requirements for lithium ion batteries
2.10 Battery chargers
2.10.1 General
2.10.2 Protection against overcharging
2.10.3 Wind generator and photovoltaic devices
2.11 Internal communication circuits
2.12 Electrical apparatus for explosive gas atmospheres
2.13 Electrical fittings and cables attached to structures of another metal
2.14 Navigation lights supply
2.15 Luminaires
2.16 Electrical heating and cooking appliances
2.17 Magnetic compasses
2.18 Digital networked power distribution, control and monitoring systems
3 Distribution systems
3.1 d.c. distribution systems
3.2 Standard a.c. distribution systems
3.2.1 Types of a.c. distribution system
3.2.2 Earthing the neutral conductor in type TN a.c. systems
3.2.3 Earthing of non-current-carrying parts in a.c. systems
3.2.4 Protective conductor in a.c. systems
3.3 Equipotential bonding conductors
3.4 Balance of loads in three-phase a.c. systems
3.5 Shore connection arrangements
3.5.1 General
3.5.2 Boat connections
3.5.2.1 General
3.5.2.2 Technical details
3.5.2.3 Length
3.5.2.4 Coiled leads
3.5.2.5 Shore power inlet
3.5.3 Changeover switch for a boat with its own a.c. power system
3.5.3.1 General
3.5.3.2 Protection against reversal of polarity in the supply lead
3.5.4 Information and connection instructions
3.5.5 Supply through an on-shore mounted isolating transformer
3.5.6 Supply through an on-board isolating transformer or converter
3.5.7 Supply without an isolating transformer
3.6 Switchboard
3.6.1 General
3.6.2 For d.c. systems
3.6.3 For a.c. systems
3.6.3.1 Switchboard marking
3.6.3.2 Voltmeter installation
4 Protection against electric shock and earth leakage in a.c. systems with voltage exceeding 50 V
4.1 Protection against direct contact
4.2 Automatic disconnection of supply to final subcircuits or equipment
4.3 Earthed neutral systems
4.4 Non-neutral earthed system (IT type system)
4.5 Use of Class II equipment
4.6 Unacceptable measures against electric shock
5 Protection against overcurrent
5.1 General
5.2 Characteristics of protective devices
5.3 d.c. system
5.3.1 Protective devices
5.3.2 Final subcircuits
5.4 a.c. system
5.4.1 Protective devices
5.4.2 Final subcircuits
5.5 Generators
5.5.1 Small generators in d.c. systems
5.5.2 Use of fuses
5.5.3 Generator circuit-breaker
5.6 Transformers
5.7 Motor protection
6 Cables
6.1 Selection of cables for marine environment
6.2 Cable selection and installation
6.3 Protective coverings
6.3.1 Environmental conditions
6.3.2 Mechanical strength
6.3.3 Minimization of thermal effects
6.4 Determination of the cross-sectional areas of conductors
6.4.1 General requirement
6.4.2 d.c. system
6.4.3 a.c. system
6.4.4 Protective conductor in a.c. system
6.4.5 Current ratings for continuous service
6.4.6 Correction factors for different ambient air temperatures
6.4.7 Correction factors for cable bunching
6.4.8 Correction factors for non-continuous service
6.4.9 Parallel connection of cables
6.4.10 Segregation of circuits
7 Cable and wiring installation and termination
7.1 Equipotential bonds
7.1.1 Enclosures for electrical equipment in a.c. systems
7.1.2 Earthing of the protective conductor in non-metal boats
7.2 Cable terminations
7.3 Cable and conductor installation
7.3.1 Protection from damage
7.3.2 Cable and conductor runs
7.3.3 Cable and conductor support and protection
7.4 d.c. and a.c. cabling and wiring segregation
7.5 Conductor identification
7.5.1 General
7.5.2 Equipotential bonding conductors
7.5.3 d.c. conductor insulation colours
7.6 Lightning protection
7.6.1 General
7.6.2 Conductors
7.6.3 Installation
7.6.4 Interconnection
7.6.5 Earthing
8 Verification
8.1 General
8.2 Earthing
8.3 Insulation resistance
8.3.1 Measurements
8.3.2 Switchboards, panel boards and distribution boards
8.3.3 Lighting and power circuits
8.3.4 Generators and motors
8.3.5 Transformers
8.4 Switchgear and controlgear
8.5 Voltage drop
8.6 Internal communication circuits
8.7 Lighting, heating and galley equipment
Appendix A
A1 General
A2 Essential services
A3 Battery capacities
A4 Earthing
A4.1 General
A4.2 Earthed neutral systems (TN type systems)
A4.3 Non-earthed system (IT type system)
A5 Segregation of circuits
A6 Battery charger protection
A7 Protection against overcurrent and fault current—Special applications
A1 Navigation light supply
A8 Radio and navigation equipment
A9 Navigation, control, instrumentation and communication systems
A10 Electric and electro-hydraulic steering gear
A11 Electromagnetic compatibility
Appendix B
B1 Shore power supply arrangements
B1.1 General
B1.2 Instructions
B2 Examples of general arrangements for electricity supply to a boat (functional switches not shown)
Appendix C
C1 Reporting of electrically unsafe installations
C2 Previous records
C3 Verification requirements
C4 Danger to persons or livestock
C5 Adequacy of overcurrent protective devices
C6 Instruments
C7 Qualification
C8 Frequency of periodic verification
C9 Reporting of periodic verification
C10 Verification by basic visual inspection
C10.1 General
C10.2 Inspection requirements
C11 Verification by testing
C11.1 General
C11.2 Testing requirements
Appendix D
Amendment control sheet
Cited references in this standard
EN 55015
Limits and methods of measurement of radio disturbance characteristics of electrical lighting and similar equipment
[Superseded]
Small craft — Fire protection — Part 2: Craft with a hull length of over 15 m
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