AS/NZS 3000:2018

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Electrical installations (known as the Australian/New Zealand Wiring Rules)

Published by Standards Australia  / Standards New Zealand, 06/26/2018

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AS NZS 3000, 6th, 2018 – Electrical installations known as the Australian/New Zealand Wiring Rules

AS 3000 wiring rules specifies requirements for the design, construction and verification of electrical installations, including the selection and installation of electrical equipment forming part of such electrical installations. Part 1 provides provisions that constitute the minimum regulatory requirements for a safe electrical installation. Part 2 provides work methods and installation practices that are ‘deemed to comply’ with the requirements of Part 1.

AS 3000 sets out requirements for the design, construction and verification of electrical installations, including the selection and installation of electrical equipment forming part of such electrical installations.
These requirements are intended to protect persons, livestock, and property from electric shock, fire and physical injury hazards that may arise from an electrical installation that is used with reasonable care and with due regard to the intended purpose of the electrical installation.
In addition, guidance is provided so that the electrical installation will function correctly for the purpose intended and takes into account
mitigating the foreseeable adverse effects of disruption to supply.

General Product Information:

Committee EL-001
Purchase Note All current amendments available at time of purchase are included with the purchase of this document
Document Type PDF
ISBN 978 1 76035 993 5
Pages 574
Document Language English
Publisher Standards Australia
Status Current

Preview

Table of cotents

AS/NZS 3000:2018 ELECTRICAL INSTALLATIONS (KNOWN AS THE AUSTRALIAN/NEW ZEALAND WIRING RULES)

PREFACE

CONTENTS

LIST OF TABLES

LIST OF FIGURES

FOREWORD

SECTION 1 SCOPE, APPLICATION AND FUNDAMENTAL PRINCIPLES

1.1 SCOPE

1.2 APPLICATION

1.3 REFERENCED DOCUMENTS

1.4 DEFINITIONS

1.4.1 Application of definitions

1.4.2 Accessible

1.4.3 Accessible, readily

1.4.4 Accessory

1.4.5 Active (or active conductor)

1.4.6 Adjacent

1.4.7 Aerial conductor

1.4.8 Alteration

1.4.9 Appliance

1.4.10 Appliance, fixed

1.4.11 Appliance, hand-held

1.4.12 Appliance, portable

1.4.13 Appliance, stationary

1.4.14 Arc fault detection device (AFDD)

1.4.15 Area, hazardous

1.4.16 Arm™s reach

1.4.17 Authority, regulatory

1.4.18 Authorized person

1.4.19 Available, readily

1.4.20 Barrier

1.4.21 Cable

1.4.22 Cable, armoured

1.4.23 Cable core

1.4.24 Cable, flexible

1.4.25 Cable, mineral insulated metal sheathed (MIMS)

1.4.26 Cable, neutral-screened

1.4.27 Cable, sheathed

1.4.28 Ceiling, suspended

1.4.29 Circuit

1.4.30 Circuit-breaker

1.4.31 Class I equipment

1.4.32 Class II equipment

1.4.33 Class III equipment

1.4.34 Competent person

1.4.35 Conductor

1.4.36 Conductor, bare

1.4.37 Consumer mains

1.4.38 Contact, direct

1.4.39 Contact, indirect

1.4.40 Cord, flexible

1.4.41 Current, fault

1.4.42 Current, overload

1.4.43 Current, short-circuit

1.4.44 Damp situation

1.4.45 De-energized

1.4.46 Distribution board

1.4.47 Earthed

1.4.48 Earthed situation

1.4.49 Earth fault-loop impedance

1.4.50 Electrical equipment

1.4.51 Electrical fault

1.4.52 Electrical installation

1.4.53 Electrical installation, domestic

1.4.54 Electrical installation, multiple

1.4.55 Electrical installation, residential

1.4.56 Electric vehicle (EV)

1.4.57 Electricity distributor

1.4.58 Enclosure

1.4.59 Energized

1.4.60 Equipotential bonding

1.4.61 Explosive atmosphere

1.4.62 Exposed conductive part

1.4.63 Extraneous conductive part

1.4.64 Fault-current limiter

1.4.65 Fire mode

1.4.66 Functional earthing (FE)

1.4.67 Functional unit

1.4.68 Fuse

1.4.69 Informative

1.4.70 Ingress protection (IP) classification

1.4.71 Installation coupler

1.4.72 Insulated

1.4.73 Insulation system

1.4.74 Isolated

1.4.75 Isolation (Isolating function)

1.4.76 Lamp

1.4.77 Lift

1.4.78 Live

1.4.79 Live part

1.4.80 Luminaire (Light fitting)

1.4.81 Main earthing conductor

1.4.82 Main switch

1.4.83 Multiple earthed neutral (MEN) system

1.4.84 Neutral (Neutral conductor or mid-wire)

1.4.85 Neutral earthed system

1.4.86 Normative

1.4.87 Obstacle

1.4.88 Outbuilding-Individual

1.4.89 Outbuilding-Combined

1.4.90 Overcurrent

1.4.91 Plug

1.4.92 Point (in wiring)

1.4.93 Point of attachment

1.4.94 Point of entry

1.4.95 Point of supply

1.4.96 Protected extra-low voltage (PELV)

1.4.97 Protection, basic

1.4.98 Protection, fault

1.4.99 Protective earth neutral (PEN)

1.4.100 Protective earthing conductor

1.4.101 Repair

1.4.102 Residual current device (RCD)

1.4.103 Ripple-free d.c.

1.4.104 Safety service

1.4.105 Separated extra-low voltage (SELV)

1.4.106 Service protective device

1.4.107 Shall

1.4.108 Should

1.4.109 Socket, cord-extension

1.4.110 Socket-outlet

1.4.111 Socket-outlet-Multiple combination

1.4.112 Socket residual current device (SRCD)

1.4.113 Soft wiring

1.4.114 Source of supply

1.4.115 Subcircuit, final

1.4.116 Submains

1.4.117 Substation

1.4.118 Supply, alternative

1.4.119 Supply, normal

1.4.120 Supply, supplementary

1.4.121 Switchboard

1.4.122 Switchboard, main

1.4.123 Switchgear

1.4.124 Touch current

1.4.125 Touch voltage

1.4.126 Track system

1.4.127 Trunking, cable

1.4.128 Voltage

1.4.129 Wiring, catenary

1.4.130 Wiring enclosure

1.4.131 Wiring, equipment

1.4.132 Wiring, installation

1.4.133 Wiring systems

1.4.134 Wiring, underground

1.5 FUNDAMENTAL PRINCIPLES

1.5.1 Protection against dangers and damage

1.5.2 Control and isolation

1.5.3 Protection against electric shock

1.5.4 Basic protection

1.5.5 Fault protection

1.5.6 Additional protection by the use of RCDs

1.5.7 Basic and fault protection by use of extra-low voltage

1.5.8 Protection against thermal effects in normal service

1.5.9 Protection against overcurrent

1.5.10 Protection against earth fault currents

1.5.11 Protection against abnormal voltages

1.5.12 Protection against the spread of fire

1.5.13 Protection against injury from mechanical movement

1.5.14 Protection against external influences

1.6 DESIGN OF AN ELECTRICAL INSTALLATION

1.6.1 General

1.6.2 Supply characteristics

1.6.3 Maximum demand

1.6.4 Utilization voltage

1.6.5 Electrical installation circuit arrangement

1.7 SELECTION AND INSTALLATION OF ELECTRICAL EQUIPMENT

1.7.1 General

1.7.2 Installation work practice

1.7.3 Equipment selection

1.7.4 Damp situations

1.8 VERIFICATION (INSPECTION AND TESTING)

1.9 MEANS OF COMPLIANCE

1.9.1 Compliance with Part 2 of this Standard

1.9.2 Compliance with the requirements of other standards

1.9.3 Alterations and repairs

1.9.4 Compliance by specific design and installation

SECTION 2 GENERAL ARRANGEMENT, CONTROL AND PROTECTION

2.1 GENERAL

2.1.1 Application

2.1.2 Selection and installation

2.2 ARRANGEMENT OF ELECTRICAL INSTALLATION

2.2.1 Circuits

2.2.2 Maximum demand

2.2.3 Selection and installation of conductors

2.2.4 Operating characteristics of equipment

2.3 CONTROL OF ELECTRICAL INSTALLATION

2.3.1 General

2.3.2 Common control requirements

2.3.3 Main switches

2.3.4 Additional isolating switches

2.3.5 Emergency switching including emergency stopping

2.3.6 Shutting down for mechanical maintenance

2.3.7 Functional (control) switching

2.4 FAULT PROTECTION

2.4.1 General

2.4.2 Protection by automatic disconnection of supply

2.4.3 Types of devices

2.4.4 Auto-reclose devices

2.5 PROTECTION AGAINST OVERCURRENT

2.5.1 General

2.5.2 Devices for protection against both overload and short-circuit currents

2.5.3 Protection against overload current

2.5.4 Protection against short-circuit current

2.5.5 Protection against switchboard internal arcing fault currents

2.5.6 Coordination of overload and short-circuit protective devices

2.5.7 Reliability of supply

2.6 ADDITIONAL PROTECTION BY RESIDUAL CURRENT DEVICES

2.6.1 General

2.6.2 Selection and arrangement of devices

2.6.3 Additional protection by residual current devices

2.7 PROTECTION AGAINST OVERVOLTAGE

2.7.1 General

2.7.2 Protection by insulation or separation

2.7.3 Protection by protective devices

2.8 PROTECTION AGAINST UNDERVOLTAGE

2.8.1 General

2.8.2 Selection of protective device

2.9 PROTECTION AGAINST FIRE HAZARD DUE TO ARCING FAULTS

2.9.1 General

2.9.2 Type

2.9.3 Rating

2.9.4 Arrangement

2.9.5 Alterations

2.9.6 Final subcircuits in Australia

2.9.7 Final subcircuits in New Zealand

2.10 SWITCHBOARDS

2.10.1 General

2.10.2 Location of switchboards

2.10.3 Construction

2.10.4 Bars

2.10.5 Equipment identification

2.10.6 Wiring

2.10.7 Fire-protective measures

SECTION 3 SELECTION AND INSTALLATION OF WIRING SYSTEMS

3.1 GENERAL

3.1.1 Application

3.1.2 Selection and installation

3.2 TYPES OF WIRING SYSTEMS

3.3 EXTERNAL INFLUENCES

3.3.1 General

3.3.2 Particular influences

3.4 CURRENT-CARRYING CAPACITY

3.4.1 General

3.4.2 Operating temperature limits

3.4.3 Conductors in parallel

3.4.4 Coordination between conductors and protective devices

3.5 CONDUCTOR SIZE

3.5.1 General

3.5.2 Neutral conductor

3.5.3 Earthing conductor

3.6 VOLTAGE DROP

3.6.1 General

3.6.2 Value

3.6.3 Conductors in parallel

3.7 ELECTRICAL CONNECTIONS

3.7.1 General

3.7.2 Connection methods

3.7.3 Joints in cables

3.7.4 Installation couplers

3.8 IDENTIFICATION

3.8.1 General

3.8.2 Colour identification

3.8.3 Exceptions and special applications

3.9 INSTALLATION REQUIREMENTS

3.9.1 General

3.9.2 Methods of installation

3.9.3 Support and fixing

3.9.4 Protection against mechanical damage

3.9.5 Wiring systems installed vertically

3.9.6 Change of direction

3.9.7 Particular installation requirements

3.9.8 Prevention of mutual detrimental effects between services

3.9.9 Selection and installation to minimize the spread of fire

3.9.10 Limitation of circulating and eddy currents

3.9.11 Minimization of electromagnetic interference

3.10 ENCLOSURE OF CABLES

3.10.1 General

3.10.2 Wiring enclosures

3.10.3 Installation of wiring enclosures

3.11 UNDERGROUND WIRING SYSTEMS

3.11.1 Suitability and protection

3.11.2 Classification of wiring systems

3.11.3 Arrangements

3.11.4 Installation requirements

3.11.5 Spacing from other underground services

3.12 AERIAL WIRING SYSTEMS

3.12.1 Types of conductor

3.12.2 Arrangements

3.12.3 Clearances

3.12.4 Distance between supports (spans)

3.12.5 Aerial conductor supports

3.12.6 Poles and posts (including supports, struts and extensions to structures)

3.12.7 Joints and connections

3.13 CABLES SUPPORTED BY A CATENARY

3.13.1 Types of cables

3.13.2 Catenary supports

3.13.3 Clearances

3.14 SAFETY SERVICES

3.15 BUSWAYS, INCLUDING RISING MAINS SYSTEMS

3.16 EARTH SHEATH RETURN (ESR) SYSTEM

SECTION 4 SELECTION AND INSTALLATION OF ELECTRICAL EQUIPMENT

4.1 GENERAL

4.1.1 Application

4.1.2 Selection and installation

4.1.3 External influences

4.1.4 Adverse effects and interference

4.1.5 Air extraction systems

4.2 PROTECTION AGAINST THERMAL EFFECTS

4.2.1 General

4.2.2 Prevention of fire hazard

4.2.3 Protection against burns

4.3 CONNECTION OF ELECTRICAL EQUIPMENT

4.3.1 General

4.3.2 Direct connection

4.3.3 Installation wiring connected by an installation coupler(s)

4.3.4 Socket-outlets in installation wiring

4.3.5 Other connecting devices

4.3.6 Equipment wiring

4.4 SOCKET-OUTLETS

4.4.1 Types

4.4.2 Location

4.4.3 Earthing contacts

4.4.4 Switching device

4.4.5 Polarization and phase sequence

4.5 LIGHTING EQUIPMENT AND ACCESSORIES

4.5.1 Lampholders, including lampholders incorporated in a luminaire

4.5.2 Lamps and luminaires

4.6 SMOKE ALARMS

4.7 COOKING APPLIANCES

4.7.1 Switching device

4.7.2 Connection-New Zealand only

4.7.3 Clearance from open cooking surfaces

4.8 APPLIANCES PRODUCING HOT WATER OR STEAM

4.8.1 General

4.8.2 Water heaters

4.9 ROOM HEATERS

4.9.1 General

4.9.2 Isolating switches

4.9.3 Functional switches

4.10 ELECTRIC HEATING CABLES FOR FLOORS AND CEILINGS AND TRACE HEATING APPLICATIONS

4.10.1 General

4.10.2 Heating cables

4.10.3 Isolating switches

4.10.4 Functional switches

4.10.5 Additional protection

4.10.6 Signs

4.11 ELECTRIC DUCT HEATERS

4.12 ELECTRICITY CONVERTERS

4.12.1 General

4.12.2 Selection and installation

4.12.3 Control

4.12.4 Isolation

4.12.5 Overcurrent protection

4.12.6 Earthing

4.12.7 Neutral continuity

4.12.8 Electrical equipment connected to output

4.13 MOTORS

4.13.1 Protection against injury from mechanical movement

4.13.2 Protection against overload

4.13.3 Protection against overtemperature

4.14 TRANSFORMERS

4.14.1 General

4.14.2 Secondary circuit

4.14.3 Low voltage transformer supply

4.14.4 Autotransformers

4.14.5 Step-up transformers

4.15 CAPACITORS

4.15.1 General

4.15.2 Electrical equipment

4.15.3 Provision for discharge and control

4.16 ELECTRICAL EQUIPMENT CONTAINING LIQUID DIELECTRICS

4.16.1 General

4.16.2 Liquid dielectrics having a flashpoint not exceeding 250°C

4.17 BATTERIES

4.18 GAS APPLIANCES AND EQUIPMENT

4.18.1 Gas appliances

4.18.2 Gas cylinders containing heavier-than-air gases-Outdoors

4.18.3 Gas cylinders-Indoors-New Zealand only

4.18.4 Gas relief vent terminal-Natural gas, LP Gas or Biogas

4.18.5 Reticulated lighter-than-air gas system, metering system and regulators-New Zealand only

4.19 AIRCONDITIONING AND HEAT PUMP SYSTEMS

4.20 LIFTS

4.20.1 General

4.20.2 Lift supply arrangement

4.20.3 Labelling

4.20.4 Motor-room-less lifts (MRLs)

SECTION 5 EARTHING ARRANGEMENTS AND EARTHING CONDUCTORS

5.1 GENERAL

5.1.1 Application

5.1.2 Selection and installation

5.1.3 MEN earthing system

5.1.4 Other earthing systems

5.2 EARTHING FUNCTIONS

5.2.1 Protective earthing

5.2.2 Functional earthing (FE)

5.2.3 Earthing for combined protective and functional purposes

5.3 EARTHING SYSTEM PARTS

5.3.1 General

5.3.2 Earthing conductor material and type

5.3.3 Earthing conductor size (cross-sectional area)

5.3.4 Main earthing terminal/connection or bar

5.3.5 MEN connection

5.3.6 Earth electrodes

5.3.7 Functional earthing conductors

5.4 EARTHING OF EQUIPMENT

5.4.1 General

5.4.2 Socket-outlets

5.4.3 Lighting points

5.4.4 Luminaires

5.4.5 Conductive supports for aerial conductors

5.4.6 Structural metalwork including conductive building materials

5.4.7 Submersible pumps

5.4.8 Variable frequency devices

5.5 EARTHING ARRANGEMENTS

5.5.1 Main earthing conductor

5.5.2 Protective earthing conductors

5.5.3 Particular methods of earthing

5.5.4 Continuity

5.5.5 Installation

5.5.6 Connections

5.6 EQUIPOTENTIAL BONDING

5.6.1 General

5.6.2 Arrangement

5.6.3 Bonding conductors

5.7 EARTH FAULT-LOOP IMPEDANCE

5.7.1 General

5.7.2 Disconnection times

5.7.3 Earth fault-loop

5.7.4 Impedance

5.7.5 Supplementary equipotential bonding

5.8 OTHER EARTHING ARRANGEMENTS

SECTION 6 DAMP SITUATIONS

6.1 GENERAL

6.1.1 Application

6.1.2 Selection and installation

6.2 BATHS, SHOWERS AND OTHER FIXED WATER CONTAINERS

6.2.1 Scope

6.2.2 Classification of zones

6.2.3 Protection against electric shock-Prohibited measures

6.2.4 Selection and installation of electrical equipment

6.3 SWIMMING POOLS, PADDLING POOLS AND SPA POOLS OR TUBS

6.3.1 Scope

6.3.2 Classification of zones

6.3.3 Protection against electric shock

6.3.4 Selection and installation of electrical equipment

6.4 FOUNTAINS AND WATER FEATURES

6.4.1 Scope

6.4.2 Classification of zones

6.4.3 Protection against electric shock

6.4.4 Selection and installation of electrical equipment

6.5 SAUNAS

6.5.1 Scope

6.5.2 Classification of zones

6.5.3 Protection against electric shock

6.5.4 Selection and installation of electrical equipment

6.6 REFRIGERATION ROOMS

6.6.1 Scope

6.6.2 Protection against electric shock

6.6.3 Selection and installation of electrical equipment

6.7 SANITIZATION AND GENERAL HOSING-DOWN OPERATIONS

6.7.1 Scope

6.7.2 Classification of zone

6.7.3 Protection against electric shock

6.7.4 Selection and installation of electrical equipment

SECTION 7 SPECIAL ELECTRICAL INSTALLATIONS

7.1 GENERAL

7.1.1 Application

7.1.2 Selection and installation

7.2 SAFETY SERVICES

7.2.1 Scope and general

7.2.2 Supply systems

7.2.3 Main switchboard and switchgear

7.2.4 Main switches

7.2.5 Fire pumps and fire pump control equipment

7.2.6 Fire and smoke detection equipment and fire alarm systems

7.2.7 Air-handling systems

7.2.8 Evacuation equipment

7.2.9 Emergency lifts

7.2.10 Emergency motor-room-less lifts

7.3 ELECTRICITY GENERATION SYSTEMS

7.3.1 General

7.3.2 Selection and installation of system

7.3.3 Control

7.3.4 Isolation

7.3.5 Overcurrent protection

7.3.6 Earthing

7.3.7 Connected electrical equipment

7.3.8 Connection to electrical installation

7.4 PROTECTION BY ELECTRICAL SEPARATION (ISOLATED SUPPLY)

7.4.1 General

7.4.2 Source of supply

7.4.3 Arrangement of circuits

7.4.4 Switching devices

7.4.5 Supply to single item of electrical equipment

7.4.6 Supply to multiple items of electrical equipment

7.4.7 Variable speed drive (VSD) EMI filters

7.4.8 Testing

7.5 EXTRA-LOW VOLTAGE ELECTRICAL INSTALLATIONS

7.5.1 Scope

7.5.2 Application

7.5.3 Sources of supply to SELV and PELV systems

7.5.4 Separation requirements for SELV and PELV circuits

7.5.5 Arrangement of SELV circuits

7.5.6 Arrangement of PELV circuits

7.5.7 Voltage drop in conductors

7.5.8 Control of an electrical installation

7.5.9 Overcurrent protection

7.5.10 Connecting devices

7.5.11 Wiring systems

7.5.12 Testing

7.6 HIGH VOLTAGE ELECTRICAL INSTALLATIONS

7.6.1 Scope

7.6.2 Application

7.6.3 Issues relevant to high voltage installations

7.7 HAZARDOUS AREAS (EXPLOSIVE GAS OR COMBUSTIBLE DUSTS)

7.7.1 Scope

7.7.2 Classification of hazardous areas

7.8 STANDARDS FOR SPECIFIC ELECTRICAL INSTALLATIONS

7.8.1 Scope

7.8.2 Standards containing requirements that are additional to, replace, or modify the general requirements of this Standard

7.8.3 Standards containing guidance

7.9 SUPPLIES FOR ELECTRIC VEHICLES (NZ ONLY)

7.9.1 Scope

7.9.2 Supply (NZ only)

7.9.3 Domestic electrical installations (NZ only)

7.9.4 Other electrical installations (NZ only)

SECTION 8 VERIFICATION

8.1 GENERAL

8.1.1 Application

8.1.2 General requirements

8.1.3 Periodic inspection and testing

8.2 VISUAL INSPECTION

8.2.1 General

8.2.2 Checklist

8.3 TESTING

8.3.1 General

8.3.2 Test methods

8.3.3 Mandatory tests

8.3.4 Sequence of tests

8.3.5 Continuity of the earthing system

8.3.6 Insulation resistance

8.3.7 Polarity and correct circuit connections

8.3.8 ‘Text deleted’

8.3.9 Verification of earth fault-loop impedance (EFLI)

8.3.10 Operation of RCDs

8.4 VERIFICATION RECORDS

APPENDIX A – REFERENCED DOCUMENTS

APPENDIX B – CIRCUIT PROTECTION GUIDE

B1 SCOPE

B2 CIRCUIT ARRANGEMENTS

B3 PROTECTION AGAINST OVERCURRENT

B3.1 General

B3.2 Coordination between conductors and overload protective devices

B4 PROTECTION BY AUTOMATIC DISCONNECTION OF SUPPLY

B4.1 Application

B4.2 Principle

B4.3 Disconnection times

B4.4 The earth fault-loop

B4.5 Calculation of earth fault-loop impedance

B4.6 Earth fault-loop impedance measurement

B5 MAXIMUM CIRCUIT LENGTHS

B5.1 General

B5.2 Calculation of maximum length of circuit

APPENDIX C – CIRCUIT ARRANGEMENTS

C1 SCOPE

C2 MAXIMUM DEMAND

C2.1 After diversity maximum demand

C2.2 Calculation of maximum demand in consumer mains and submains

C2.3 Domestic installations

C2.4 Non-domestic installations

C2.5 Maximum demand in final subcircuits

C3 SIMPLIFIED PROTECTIVE DEVICE SELECTION

C4 SIMPLIFIED VOLTAGE DROP

C4.1 Background

C4.2 Examples

C5 NUMBER OF POINTS CONNECTED TO CIRCUITS

C5.1 Number of circuits

C5.2 Final subcircuits

C6 GUIDE TO MAXIMUM NUMBER OF CABLES INSTALLED IN CONDUITS

C6.1 General

C6.2 Basis of calculations

C6.3 Application notes

APPENDIX D – MINIMUM SIZES OF POSTS, POLES AND STRUTS FOR AERIAL LINE CONDUCTORS

D1 APPLICATION

D1.1 General

D1.2 Using the tables in this Appendix

D2 GENERAL REQUIREMENTS FOR POSTS AND POLES

D2.1 Sinking of posts/poles in ground

D2.2 Timber posts/poles

D2.3 Steel-pipe posts/poles

D3 ATTACHMENTS TO BUILDINGS OR STRUCTURES

D3.1 Responsibility for design

D3.2 Horizontal and vertical struts

D4 EXAMPLE USING THE TABLES TO DETERMINE POLE/ POST OR STRUT SIZE

D4.1 Problem

D4.2 Solution

APPENDIX E – ELECTRICAL INSTALLATION REQUIREMENTS IN NATIONAL CONSTRUCTION CODES

E1 SCOPE

E2 AUSTRALIA

E2.1 General

E2.2 Principles of classification

E2.3 Provisions in the NCC

E3 NEW ZEALAND

E3.1 General

E3.2 Extent of electrical installations in the NZBC

E3.3 Building consents

APPENDIX F – SURGE PROTECTION DEVICES

F1 SURGE PROTECTIVE DEVICES (SPDs)

F1.1 General

F1.2 Selection and installation of SPDs

F2 SURGE PROTECTIVE EARTHING AND BONDING

APPENDIX G – DEGREES OF PROTECTION OF ENCLOSED EQUIPMENT

APPENDIX H – WS CLASSIFICATION OF WIRING SYSTEMS

H1 GENERAL

H1.1 Classification

H1.2 Designation

H1.3 First characteristic numeral

H1.4 Second characteristic numeral

H1.5 Supplementary letter W

H1.6 Supply and installation

H2 PARTICULAR WIRING SYSTEM APPLICATIONS

H2.1 Building Code

H2.2 Equipment installation Standards

H3 FIRE-PROTECTED WIRING SYSTEMS

H4 MECHANICALLY PROTECTED WIRING SYSTEMS

H4.1 General

H4.2 Application of wiring systems

H4.3 Unenclosed wiring systems

H4.4 Enclosed wiring systems

H5 GUIDE TO MECHANICAL PROTECTION CLASSIFICATION

H5.1 General

H5.2 WSX1 mechanical protection systems

H5.3 WSX2 mechanical protection systems

H5.4 WSX3 mechanical protection systems

APPENDIX I – PROTECTIVE DEVICE RATINGS AND METRIC EQUIVALENT SIZES FOR IMPERIAL CABLES USED IN ALTERATIONS AND REPAIRS

I1 SCOPE

I2 PROTECTIVE DEVICE RATINGS

I3 METRIC EQUIVALENT SIZES FOR IMPERIAL CONDUCTORS

APPENDIX J – SYMBOLS USED IN THIS STANDARD

APPENDIX K – SWITCHBOARD REQUIREMENT SUMMARY

K1 GENERAL

K1.1 Introduction

K1.2 Deemed to comply

K2 SWITCHBOARD STANDARDS

K2.1 General

K2.2 Withdrawal date of the AS/NZS 3439 series

K2.3 Testing

K3 APPLICATION OF THE AS/NZS 61439 SERIES

K3.1 General rules

K3.2 Power switchgear and controlgear (PSC)

K3.3 Distribution boards intended to be operated by ordinary persons (DBO)

K4 GUIDELINES FOR THE ASSESSMENT OF SWITCHBOARDS

K4.1 User template

K4.2 Items subject to agreement

K4.3 Design verification

K5 CORRESPONDING PROVISIONS OF THIS STANDARD AND THE AS/NZS 61439 SERIES

K6 PARTICULAR CLAUSES RELEVANT TO THIS STANDARD

K6.1 Degree of protection of ASSEMBLIES

K6.2 Form of internal separation

K6.3 Clearance

K6.4 Overvoltage category

K6.5 Creepage

K6.6 Earthing (protective earth circuit)

K6.7 Dielectric tests for protection against electric shock

K6.8 Current rating by testing and temperature limits

K6.9 Derivation of ratings for similar variants to AS/NZS 61439.1

K6.10 Verification assessment to AS/NZS 61439.1

K7 SHORT-CIRCUIT WITHSTAND STRENGTH

K7.1 General

K7.2 Ratings

K7.3 Short-circuit withstand strength by comparison to a reference design utilizing a check list

K8 MARKING

K8.1 PSC and DBO switchboards

K8.2 Additional marking for DBO

K9 OTHER RELEVANT CHARACTERISTICS TO BE DECLARED BY THE ASSEMBLY MANUFACTURER

K10 DEVICE SUBSTITUTION

K10.1 General

K10.2 Device substitution questions

K11 REPAIRS TO EXISTING SWITCHBOARDS

K12 ROUTINE VERIFICATION BY THE SWITCHBOARD MANUFACTURER

APPENDIX L – (Deleted)

APPENDIX M – REDUCING THE IMPACT OF POWER SUPPLY OUTAGES—CONTINUITY OF SUPPLY FOR ACTIVE ASSISTED LIVINGAND HOMECARE MEDICAL SITUATIONS

M1 GENERAL

M1.1 Scope

M1.2 Active assisted living

M1.3 Homecare medical

M2 ARRANGEMENTS

APPENDIX N – ELECTRICAL CONDUITS

N1 GENERAL

N2 MARKING OF AS/NZS 2053 SERIES AND AS/NZS 61386 SERIES CONDUITS

N3 CLASSIFICATIONS

APPENDIX O – INSTALLATION OF ARC FAULT DETECTION DEVICES (AFDDs)

O1 GENERAL

O2 CHARACTERISTICS OF AFDDs

O3 GENERAL REQUIREMENTS FOR AFDDs

O4 LOCATION, SELECTION AND INSTALLATION OF AFDDs

O4.1 Location

O4.2 Selection of AFDDs

O4.3 Installation

O4.4 Overvoltage protection

APPENDIX P – GUIDANCE FOR INSTALLATION AND LOCATION OF ELECTRICAL VEHICLE SOCKET-OUTLETS AND CHARGING STATIONS

P1 SCOPE AND GENERAL

P1.1 Scope

P1.2 Applications

P1.3 Additional requirements and tests

P1.4 Exclusions

P1.5 Definitions

P2 MAXIMUM DEMAND

P3 INSTALLATION

P3.1 General

P3.2 External Influences

P4 DEVICES FOR PROTECTION AGAINST INDIRECT CONTACT BY AUTOMATIC DISCONNECTION OF SUPPLY

P4.1 RCDs

P4.2 Devices for protection against overcurrent

P4.3 Protective conductors

P5 OTHER EQUIPMENT

P5.1 Socket-outlets and vehicle connectors

P5.2 Ratings of vehicle couplers, socket-outlets and plugs

P5.3 Permitted socket-outlets or vehicle connectors

P5.4 Types of connection

P6 CHARGING STATIONS AND CABLES

P7 PERIODIC VERIFICATION

APPENDIX Q – D.C. CIRCUIT PROTECTION APPLICATION GUIDE

Q1 SCOPE

Q2 GENERAL

Q3 ARC SUPPRESSION

Q4 SWITCHGEAR TYPES

Q4.1 Polarized

Q4.2 Non-polarized type

Q5 D.C. RATINGS

Q5.1 General

Q5.2 Earthed D.C. supply

Q6 PROVISION OF ISOLATION AND OVERCURRENT PROTECTION

Q7 SWITCHBOARD LOCATIONS

Q8 FINAL SUBCIRCUIT WIRING AND FITTINGS

Q9 INVERTERS

INDEX

ICS Codes

01.100.25 Electrical and electronics engineering drawings

13.110 Safety of machinery

13.260 Protection against electric shock

29.020 Electrical engineering in general

91.140.50 Electricity supply systems