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AS/NZS 3012:2019

[Current]

Electrical installations - Construction and demolition sites

Included in Electrical installation set
AS NZS 3012 2019 specifies minimum requirements for the design, construction and testing of electrical installations that supply electricity to appliances and equipment on construction and demolition sites, and for the in-service testing of portable, transportable and fixed electrical equipment used on construction and demolition sites.
Published: 04/11/2019
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
1.3 NORMATIVE REFERENCES
1.4 DEFINITIONS
2 INSTALLATION
2.1 SUPPLY
2.1.1 Construction wiring
2.1.2 Appliances, luminaires and electrical equipment
2.1.3 Identification of source of supply
2.1.4 Connection devices
2.1.5 Polarization
2.1.6 Separate circuit requirements
2.2 MAXIMUM DEMAND
2.3 SWITCHBOARDS INSTALLED FOR THE PURPOSE OF CONSTRUCTION AND DEMOLITION
2.3.1 Location
2.3.1.1 General
2.3.1.2 Multi-level buildings
2.3.2 Switchboard construction
2.3.2.1 General requirements
2.3.2.2 Assemblies for construction sites (ACS) switchboard construction
2.3.3 Mounting of switchboards
2.3.4 Socket-outlets
2.3.5 Support of cables entering switchboards
2.3.6 Arrangement of switchboards, wiring and equipment
2.4 CONTROL AND PROTECTION
2.4.1 Control
2.4.2 Securing of isolating switch
2.4.3 Marking of isolating switches
2.4.4 Size of marking
2.4.5 Overload protection
2.4.5.1 Sub-mains
2.4.5.2 Final sub-circuits
2.4.6 Additional protection—Basic protection and fault protection
2.4.6.1 Final sub-circuits of construction wiring
2.4.6.2 Appliances, luminaires and other electrical equipment supplied by final sub-circuits of permanent installation wiring
2.4.6.3 Electrical equipment supplied by low-voltage generators
2.4.6.4 Electrical equipment supplied by inverters
2.4.6.5 Permanent wiring located where construction or demolition work may be carried out
2.4.7 Switching of single-phase socket-outlets
2.5 CONSTRUCTION WIRING
2.5.1 Cables and fittings
2.5.2 Installation of cables
2.5.3 Protection against mechanical damage
2.5.4 Marking
2.5.5 Use of unarmoured cables
2.5.6 Location and marking of overhead wiring (including aerial and catenary wiring)
2.5.7 Type of aerial conductor
2.5.8 Cables supported by a catenary
2.6 FLEXIBLE CORDS, CORD EXTENSION SETS, FLEXIBLE CABLES AND ACCESSORIES
2.6.1 General
2.6.2 Minimum conductor size and core configuration
2.6.3 Type of flexible cord and cable
2.6.4 Colour
2.6.5 Current-carrying capacity
2.6.6 Accessories for connection
2.6.7 Maximum length
2.6.8 Limitations on the use of cord extension sets
2.6.9 Protection of flexible cords or cables
2.6.10 Portable socket-outlet assemblies (PSOAs)
2.6.11 Auxiliary socket-outlet panels
2.6.12 Electrical portable outlet devices (EPODS)
2.7 LIGHTING AND LUMINAIRES
2.7.1 General lighting
2.7.2 Mechanical protection
2.7.3 Emergency lighting
2.7.3.1 General
2.7.3.2 Verification
2.7.4 Hand-held luminaires
2.7.5 Edison screw type lampholders
2.7.6 Festoon lighting
2.7.7 Portable luminaires
2.8 LIFT SHAFTS
2.8.1 General
2.8.2 Multiple lift shafts
2.8.3 Emergency lighting
2.8.4 False-car (guided work platform)
2.9 TRANSPORTABLE STRUCTURES
3 VERIFICATION
3.1 APPLICATION
3.2 FREQUENCY OF VERIFICATION
3.3 CONSTRUCTION WIRING AND TRANSPORTABLE STRUCTURES
3.3.1 Initial verification
3.3.2 Periodic verification
3.4 RCDS
3.5 OTHER ELECTRICAL EQUIPMENT ON SITE
3.5.1 General
3.5.2 Protective earthing continuity
3.5.3 Insulation resistance or leakage current
3.5.4 Arc welding equipment
3.6 CONNECTION BETWEEN GENERATOR WINDINGS, FRAME AND EQUIPOTENTIAL BONDING SYSTEM
3.7 ACTIONS RESULTING FROM INSPECTION AND TEST
3.7.1 Construction wiring
3.7.2 Non-compliant equipment
3.7.3 Compliant equipment
3.8 PORTABLE GENERATOR SETS AND INVERTERS
3.9 DOCUMENTATION
APPENDIX A
A1 GENERAL
A2 SPECIFIC CLAUSE VARIATIONS
APPENDIX B
APPENDIX C
APPENDIX D
APPENDIX E
E1 PRIOR TO INTRODUCTION TO SERVICE ON SITE AND AT INTERVALS IN ACCORDANCE WITH CLAUSE 3.2
E2 PRIOR TO EACH USE AND AT LEAST ONCE PER DAY
APPENDIX F
F1 MARKING AND DOCUMENTATION
F2 VERIFICATION OF INVERTER SEPARATION AND RCD OPERATION
F2.1 General
F2.2 Electrical separation for isolated inverters
F2.3 Bonding and RCD operation for RCD protected inverters
F2.3.1 Bonding test
F2.3.2 RCD test
F3 PERIODIC TESTING INTERVALS
APPENDIX G
G1 ASSESSMENT
G2 ASSESSMENT FORM
APPENDIX H
APPENDIX I
I1 SCOPE
I2 SUPPLY SYSTEM—INSTALLATION AND VERIFICATION
I3 GENERAL REQUIREMENTS AND FUNCTIONS OF ASSEMBLIES FOR CONSTRUCTION SITES (ACS)
I3.1 General
I3.2 ACS description
I3.3 ACS installation system
I3.4 Assembly characteristics
I4 GENERAL CLASSIFICATION OF ACS ASSEMBLIES
I4.1 Transportable ACS unit
I4.2 Mobile ACS unit
I4.3 Incoming ACS unit
I4.4 Metering ACS unit
I4.5 Transformer ACS unit
I4.5.1 General
I4.5.2 LV/ELV ACS unit
I4.5.3 LV/LV ACS unit
I4.5.4 Outgoing ACS unit
I5 INTERCONNECTING CABLES
I5.1 General
I5.2 Connections
I5.3 Detachable sub-main, plugs, cord connectors and appliance inlets
I5.4 Distinction of sub-main sockets from other socket-outlets
I5.5 Overcurrent protection socket-outlets for detachable sub-mains
I5.6 Labelling
I6 INSTALLATION OF ACS ASSEMBLIES
I6.1 General
I6.2 Openings
I6.3 Interconnecting cables
I6.4 Strain relief
I7 INITIAL AND PERIODIC VERIFICATION
I7.1 Initial verification
I7.2 Periodic verification
APPENDIX J
J1 SCOPE
J2 SUPPLY ARRANGEMENTS
J3 CONNECTION REQUIREMENTS
J4 SUPPLY CABLING REQUIREMENTS
J4.1 Underground supply
J4.2 Overhead supply
J5 SYSTEMS USING THE PERMANENT INSTALLATION SUPPLY CONNECTION AND SWITCHBOARD
J5.1 Supply connection
J5.1.1 Use of permanent consumer mains cable
J5.1.2 Underground cables
J5.1.3 Aerial cables
J5.2 Switchboard
J5.2.1 Permanent switchboard or construction switchboard
J5.2.2 Permanent switchboard arrangements
J6 PERIODIC VERIFICATION
J6.1 Intervals
J6.2 RCD testing
J7 SWITCHBOARD POLE STAYS AND FIXINGS
J7.1 Typical material
J7.2 Switchboard supplied by underground consumer mains
J7.3 Switchboard supplied by overhead consumer mains
J7.3.1 Overhead cable tension
J7.3.2 Aerial cable terminations
J7.3.3 Aerial cable route
J7.3.4 Overhead cable strain
Amendment control sheet
AS/NZS 3012:2019
Amendment No. 1 (2020)
Correction
BIBLIOGRAPHY
Cited references in this standard
[Current]
Electrical accessories - Circuit-breakers for overcurrent protection for household and similar installations, Part 1: Circuit-breakers for a.c. operation (IEC 60898-1:2015 (ED. 2.1) MOD)
[Current]
Luminaires, Part 2.8: Particular requirements — Handlamps (IEC 60598-2-8, Ed. 3.0 (2013) MOD)
[Current]
Electrical installations — Selection of cables, Part 1.2: Cables for alternating voltages up to and including 0.6/1 kV — Typical New Zealand conditions
[Current]
Approval and test specification - Electrical portable outlet devices
[Current]
Approval and test specification — Plugs and socket-outlets
Content history
[Available Superseded]
DR AS/NZS 3012:2018
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