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AS/NZS 3004.2:2008

[Available Superseded]

Electrical installations — Marinas and recreational boats, Part 2: Recreational boats installations

Specifies requirements for electrical installations on small boats (viz boats with a maximum length of 50 m).
Published: 19/11/2008
Pages: 63
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
2 Referenced documents
3 Definitions
3.1 General
3.2 d.c. systems of distribution
3.3 a.c. systems of distribution
3.4 protection
3.5 Equipment
4 General requirements
4.1 Ratings
4.2 Ambient air and cooling water temperature
4.3 Inclination of boat
4.4 Voltage and frequency variations
4.4.1 General
4.4.2 d.c. systems
4.4.3 a.c. systems
4.4.4 Adverse effects and its interference
4.5 Electrical power sources
4.5.1 General
4.5.2 d.c. systems supplied from batteries
4.5.3 d.c. generator
4.5.4 a.c. systems
4.5.4.1 Power source
4.5.4.2 Restrictions on combining power sources
4.5.5 a.c. generator
4.5.6 Measuring instruments
4.5.6.1 General
4.5.6.2 Instruments for batteries
4.5.6.3 Instruments for d.c. generators
4.5.6.4 Instruments for a.c. generators
4.6 Equipment
4.6.1 Transformers
4.6.2 Converters
4.6.3 Inverters and inverter/chargers
4.6.4 Galvanic isolator
4.7 Equipment construction
4.7.1 General requirement
4.7.2 General degree of protection of equipment and enclosures
4.7.3 Protection from dripping water
4.7.4 Cable entry
4.7.5 Identification
4.7.6 Segregation of d.c and a.c. systems and systems of different voltages
4.7.7 Busbars
4.7.8 Switches and controls
4.7.9 Final subcircuits
4.8 Plugs and socket-outlets
4.8.1 a.c. system
4.8.2 Mixed a.c and d.c. systems
4.8.3 Installation in special locations
4.9 Battery installation
4.9.1 General arrangements
4.9.2 Ventilation
4.9.2.1 General
4.9.2.2 Minimum exhaust rate
4.9.2.3 Natural ventilation
4.10 Battery chargers
4.10.1 General
4.10.2 Protection against overcharging
4.10.3 Wind generator and photovoltaic devices
4.11 Internal communication circuits
4.12 Electrical apparatus for explosive gas atmospheres
4.13 Electrical fittings and cables attached to structures of another metal
4.14 Navigation lights supply
4.15 Luminaires
4.16 Electrical heating and cooking appliances
4.17 Magnetic compasses
5 Distribution systems
5.1 d.c. distribution systems
5.2 Standard a.c. distribution systems
5.2.1 Types of a.c. distribution system
5.2.2 Earthing the neutral conductor in type TN a.c. systems
5.2.3 Earthing of non current-carrying parts in a.c. systems
5.2.4 Protective conductor in a.c. systems
5.3 Equipotential bonding conductors
5.4 Balance of loads in three-phase a.c. systems
5.5 Shore connection arrangements
5.5.1 General
5.5.2 Boat connections
5.5.2.1 General
5.5.2.2 Technical details
5.5.2.3 Length
5.5.2.4 Coiled leads
5.5.2.5 Shore power inlet
5.5.3 Changeover switch for a boat with its own a.c. power system
5.5.3.1 General
5.5.3.2 Protection against reversal of polarity in the supply lead
5.5.4 Information and connection instructions
5.5.5 Supply through an on-shore mounted isolating transformer
5.5.6 Supply through an on-board isolating transformer or converter
5.5.7 Supply without an isolating transformer
5.6 Switchboard
5.6.1 General
5.6.2 For d.c. systems
5.6.3 For a.c. systems
5.6.3.1 Switchboard marking
5.6.3.2 Voltmeter installation
6 Protection against electric shock in a.c. systems with voltage exceeding 50 V
6.1 Protection against direct contact
6.2 Automatic disconnection of supply to final subcircuits or equipment
6.3 Earthed neutral systems
6.4 Non-neutral earthed system (IT type system)
6.5 Use of Class II equipment
6.6 Unacceptable measures against electric shock
7 Protection against overcurrent
7.1 General
7.2 Characteristics of protective devices
7.3 d.c. system
7.3.1 Protective devices
7.3.2 Final subcircuits
7.4 a.c. system
7.4.1 Protective devices
7.4.2 Final subcircuits
7.5 Generators
7.5.1 Small generators in d.c. systems
7.5.2 Use of fuses
7.5.3 Generator circuit-breaker
7.6 Transformers
7.7 Motor protection
8 Protection against earth leakage current in a.c. systems
8.1 General
8.2 Selection of devices for protection against earth leakage
9 Cables
9.1 Selection of cables for marine environment
9.2 Cable selection and installation
9.3 Protective coverings
9.3.1 Environmental conditions
9.3.2 Mechanical strength
9.3.3 Minimization of thermal effects
9.4 Determination of the cross-sectional areas of conductors
9.4.1 General requirement
9.4.2 d.c. system
9.4.3 a.c. system
9.4.4 Protective conductor in a.c. system
9.4.5 Current ratings for continuous service
9.4.6 Correction factors for different ambient air temperatures
9.4.7 Correction factors for cable bunching
9.4.8 Correction factors for non-continuous service
9.4.9 Parallel connection of cables
9.4.10 Segregation of circuits
10 Cable and wiring installation and termination
10.1 Equipotential bonds
10.1.1 Enclosures for electrical equipment in a.c systems
10.1.2 Earthing of the protective conductor in non-metal boats
10.2 Cable terminations
10.3 Cable and conductor installation
10.3.1 Protection from damage
10.3.2 Cable and conductor runs
10.3.3 Cable and conductor support and protection
10.4 d.c. and a.c. cabling and wiring segregation
10.5 Conductor identification
10.5.1 General
10.5.2 Equipotential bonding conductors
10.5.3 d.c. conductor insulation colours
10.6 Lightning protection
10.6.1 General
10.6.2 Conductors
10.6.3 Installation
10.6.4 Interconnection
10.6.5 Earthing
11 Verification
11.1 General
11.2 Earthing
11.3 Insulation resistance
11.3.1 Measurements
11.3.2 Switchboards, panel boards and distribution boards
11.3.3 Lighting and power circuits
11.3.4 Generators and motors
11.3.5 Transformers
11.4 Switchgear and controlgear
11.5 Voltage drop
11.6 Internal communication circuits
11.7 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
A8 Navigation light supply
A9 Radio and navigation equipment
A10 Navigation, control, instrumentation and communication systems
A11 Electric and electro-hydraulic steering gear
A12 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)
B2.1 Connection to single-phase mains supply
B2.2 Connection to three-phase mains supply
B2.3 Single-phase on-shore mounted isolating transformer (hull and metal parts bonded)
B2.4 Supply through an on-board isolating transformer
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
Cited references in this standard
[Current]
Residual current operated circuitbreakers 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)
[Pending Revision]
Electrical accessories — Circuit-breakers for overcurrent protection for household and similar installations, Part 1: Circuit-breakers for a.c. operation (IEC 60898-1, Ed. 1.2 (2003) MOD)
[Superseded]
Low-voltage switchgear and controlgear, Part 7.1: Ancillary equipment — Terminal blocks for copper conductors
[Current]
Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC — Equipment for testing, measuring or monitoring of protective measures — Part 9: Equipment for insulation fault location in IT systems
Content history
[Superseded]
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