AS/NZS 3003:2018
Electrical installations - Patient areas
Specifies particular requirements for electrical installations in patient areas. These requirements are additional to those specified in AS/NZS 3000 and the New Zealand Electricity (Safety) Regulations 2010. This standard sets out the requirements for areas in new electrical installations and for alterations and repairs of patient areas in existing electrical installations where the organization/entity responsible for that electrical installation has determined that low-voltage medical electrical equipment will be used on a patient. It covers special patient areas, including homecare installations and transportable vehicles. It also contains requirements for identification, inspection and testing of patient areas.
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AS/NZS 3003:2018 ELECTRICAL INSTALLATIONS-PATIENT AREAS
PREFACE
CONTENTS
SECTION 1 SCOPE AND GENERAL
1.1 SCOPE
1.2 GENERAL
1.3 REFERENCED DOCUMENTS
1.4 ACRONYMS
1.5 DEFINITIONS
1.5.1 Accessible
1.5.2 Applied part
1.5.3 Body-protected electrical area
1.5.4 Body-type procedure
1.5.5 Cardiac-protected electrical area
1.5.6 Cardiac-type procedure
1.5.7 Class I equipment
1.5.8 Class II equipment
1.5.9 Class III equipment
1.5.10 Corridor
1.5.11 Equipotential (EP) junction
1.5.12 Group of socket-outlets
1.5.13 Homecare
1.5.14 Leakage protective device (LPD)
1.5.15 Line isolation monitor (LIM)
1.5.16 Medical electrical equipment (ME equipment)
1.5.17 Medical electrical system (ME system)
1.5.18 Overload monitor
1.5.19 Patient
1.5.20 Patient area
1.5.21 Patient environment
1.5.22 Patient location
1.5.23 Point
1.5.24 Prospective hazard current
1.5.25 Readily accessible
1.5.26 Responsible organization/entity
1.5.27 Return earth
1.5.28 Supply
1.5.29 Transformer-isolated supply
SECTION 2 GENERAL REQUIREMENTS FOR BODY-PROTECTED AND CARDIAC-PROTECTED ELECTRICAL AREAS
2.1 GENERAL
2.2 CLASSIFICATION OF PATIENT AREAS
2.2.1 Documentation
2.2.2 Patient area boundaries
2.2.3 Patient areas required to be wired as cardiac-protected electrical areas
2.2.4 Patient areas required to be wired as body-protected electrical areas
2.3 SUPPLY OF ELECTRICITY TO PATIENT AREAS
2.4 LOW-VOLTAGE A.C. SUPPLIES
2.4.1 Separation of circuits
2.4.2 Protection of wiring systems and electrical equipment against mechanical damage
2.4.3 Leakage protective device protection required
2.4.4 Low-voltage uninterruptible supplies (UPS)
2.5 LOW-VOLTAGE D.C. SUPPLIES
2.6 ACCESS TO CONTROLS AND INDICATORS
2.7 SOCKET-OUTLETS
2.7.1 Number of socket-outlets
2.7.2 Socket-outlets requiring isolating switches
2.7.3 Socket-outlets for cleaning equipment
2.7.4 Identification of socket-outlets
2.7.5 Socket-outlet switches
2.8 RESIDUAL CURRENT DEVICES (RCDs)
2.8.1 Type of RCD
2.8.2 Discrimination
2.8.3 Number and disposition of electrical points controlled by RCDs
2.8.4 Indication
2.8.5 Identification of RCDs
2.8.6 Permanently wired equipment
2.8.7 Test facility
2.8.8 Location of RCDs
2.9 LOW-VOLTAGE ISOLATED SUPPLIES
2.9.1 General
2.9.2 Isolation transformers
2.9.3 Overcurrent circuit-breaker
2.9.4 Overload monitor
2.9.5 Line isolation monitor
2.9.6 System prospective hazard current
2.9.7 Number and disposition of electrical points protected by an isolated supply
2.9.8 Permanently wired equipment
2.9.9 Test facility
2.10 ISOLATION SWITCHES
2.11 EXTRA-LOW-VOLTAGE (ELV) SUPPLIES
2.11.1 General
2.11.2 Source of ELV supply
2.12 IDENTIFICATION
2.12.1 General
2.12.2 Identification of patient areas
2.13 TESTING AND VERIFICATION OF ELECTRICAL WORK
2.14 ADDITIONAL DOCUMENTATION
SECTION 3 ADDITIONAL REQUIREMENTS FOR BODY-PROTECTED ELECTRICAL AREAS
3.1 GENERAL
3.2 EARTHING
SECTION 4 ADDITIONAL REQUIREMENTS FOR CARDIAC-PROTECTED ELECTRICAL AREAS
4.1 GENERAL
4.2 EARTH-FREE ELV
4.3 DISPOSITION OF ELECTRICAL POINTS CONTROLLED BY LPDs
4.4 EARTHING AND EQUIPOTENTIAL BONDING
4.4.1 General
4.4.2 Equipotential earthing system
4.4.3 Return earths
SECTION 5 SPECIAL PATIENT AREAS
5.1 GENERAL
5.2 HOMECARE INSTALLATIONS
5.2.1 Conformance with AS/NZS 3000
5.2.2 Conformance with this Standard
5.2.3 Conformance with this Standard
5.3 DISABILITY AND AGED CARE INSTALLATIONS
5.4 INSTALLATIONS FOR SELF-HARM PATIENTS
5.4.1 General
5.4.2 Identification
SECTION 6 ALTERATIONS AND REPAIRS TO ELECTRICAL INSTALLATIONS IN PATIENT AREAS
6.1 INTRODUCTION
6.2 ALTERATIONS
6.2.1 General
6.2.2 Patient areas not signposted as cardiac-protected or body-protected electrical areas
6.2.3 Patient areas signposted as cardiac-protected or body-protected electrical areas
6.2.4 Installation of new socket-outlets in patient areas wired as either body-protected or cardiac-protected
6.2.5 Alterations to electrical installations in patient areas
6.3 REPAIRS
6.3.1 Patient areas not wired as cardiac-protected or body-protected electrical areas
6.3.2 Patient areas wired as cardiac-protected or body-protected electrical areas
6.4 IDENTIFICATION
SECTION 7 IDENTIFICATION OF PATIENT AREAS
7.1 GENERAL
7.2 BODY-PROTECTED ELECTRICAL AREA SIGN
7.3 CARDIAC-PROTECTED ELECTRICAL AREA SIGN
SECTION 8 ROUTINE INSPECTION AND TESTING OF CARDIAC-PROTECTED AND BODY-PROTECTED ELECTRICAL AREAS
8.1 GENERAL
8.2 BODY-PROTECTED ELECTRICAL AREAS
8.2.1 General
8.2.2 Earthing
8.2.3 Residual current devices (RCDs)
8.2.4 Line isolation monitors (LIMs)
8.2.5 Overload monitors
8.2.6 Uninterruptible power supplies (UPSs)
8.2.7 Documentation
8.3 CARDIAC-PROTECTED ELECTRICAL AREAS
8.3.1 General
8.3.2 Earthing
8.3.3 Residual current devices (RCDs)
8.3.4 Line isolation monitors (LIMs)
8.3.5 Overload monitors
8.3.6 Uninterruptible power supplies (UPS)
8.3.7 Documentation
APPENDIX A - PLANNING OF AREAS AND SELECTING THE RIGHT TYPE OF LPD
A1 CHOOSING RCD-PROTECTED OR TRANSFORMER-ISOLATED SUPPLY SYSTEMS
A2 DECIDING ON THE NUMBER AND DISPOSITION OF FINAL SUB-CIRCUITS
A2.1 Socket-outlets
A2.2 Number of protective devices
APPENDIX B - COMMISSIONING INSPECTION CHECKLIST
B1 GENERAL
B2 COMMISSIONING INSPECTION CHECKLIST FOR PATIENT AREAS
B3 COMMISSIONING CHECKLIST
APPENDIX C - STATEMENT OF CONFORMITY RECORDING FORM
APPENDIX D - CALCULATIONS FOR EQUIPOTENTIAL EARTHING
D1 GENERAL
D2 EXAMPLES OF RESISTANCE CALCULATIONS
D2.1 General
D2.2 Equipotential earthing system
D2.3 Connections to the EP junction or node
APPENDIX E - ROUTINE INSPECTION CHECKLIST FOR BODY-PROTECTED ELECTRICAL AREAS
APPENDIX F - ROUTINE INSPECTION CHECKLIST FOR CARDIAC-PROTECTED ELECTRICAL AREAS
APPENDIX G - MAGNETIC FIELDS
G1 GENERAL
G2 PROVISIONS
G3 TESTING
G4 TEST APPARATUS AND TIMING
Amendments
Previous versions
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AS/NZS 3003:2018 ELECTRICAL INSTALLATIONS-PATIENT AREAS
PREFACE
CONTENTS
SECTION 1 SCOPE AND GENERAL
1.1 SCOPE
1.2 GENERAL
1.3 REFERENCED DOCUMENTS
1.4 ACRONYMS
1.5 DEFINITIONS
1.5.1 Accessible
1.5.2 Applied part
1.5.3 Body-protected electrical area
1.5.4 Body-type procedure
1.5.5 Cardiac-protected electrical area
1.5.6 Cardiac-type procedure
1.5.7 Class I equipment
1.5.8 Class II equipment
1.5.9 Class III equipment
1.5.10 Corridor
1.5.11 Equipotential (EP) junction
1.5.12 Group of socket-outlets
1.5.13 Homecare
1.5.14 Leakage protective device (LPD)
1.5.15 Line isolation monitor (LIM)
1.5.16 Medical electrical equipment (ME equipment)
1.5.17 Medical electrical system (ME system)
1.5.18 Overload monitor
1.5.19 Patient
1.5.20 Patient area
1.5.21 Patient environment
1.5.22 Patient location
1.5.23 Point
1.5.24 Prospective hazard current
1.5.25 Readily accessible
1.5.26 Responsible organization/entity
1.5.27 Return earth
1.5.28 Supply
1.5.29 Transformer-isolated supply
SECTION 2 GENERAL REQUIREMENTS FOR BODY-PROTECTED AND CARDIAC-PROTECTED ELECTRICAL AREAS
2.1 GENERAL
2.2 CLASSIFICATION OF PATIENT AREAS
2.2.1 Documentation
2.2.2 Patient area boundaries
2.2.3 Patient areas required to be wired as cardiac-protected electrical areas
2.2.4 Patient areas required to be wired as body-protected electrical areas
2.3 SUPPLY OF ELECTRICITY TO PATIENT AREAS
2.4 LOW-VOLTAGE A.C. SUPPLIES
2.4.1 Separation of circuits
2.4.2 Protection of wiring systems and electrical equipment against mechanical damage
2.4.3 Leakage protective device protection required
2.4.4 Low-voltage uninterruptible supplies (UPS)
2.5 LOW-VOLTAGE D.C. SUPPLIES
2.6 ACCESS TO CONTROLS AND INDICATORS
2.7 SOCKET-OUTLETS
2.7.1 Number of socket-outlets
2.7.2 Socket-outlets requiring isolating switches
2.7.3 Socket-outlets for cleaning equipment
2.7.4 Identification of socket-outlets
2.7.5 Socket-outlet switches
2.8 RESIDUAL CURRENT DEVICES (RCDs)
2.8.1 Type of RCD
2.8.2 Discrimination
2.8.3 Number and disposition of electrical points controlled by RCDs
2.8.4 Indication
2.8.5 Identification of RCDs
2.8.6 Permanently wired equipment
2.8.7 Test facility
2.8.8 Location of RCDs
2.9 LOW-VOLTAGE ISOLATED SUPPLIES
2.9.1 General
2.9.2 Isolation transformers
2.9.3 Overcurrent circuit-breaker
2.9.4 Overload monitor
2.9.5 Line isolation monitor
2.9.6 System prospective hazard current
2.9.7 Number and disposition of electrical points protected by an isolated supply
2.9.8 Permanently wired equipment
2.9.9 Test facility
2.10 ISOLATION SWITCHES
2.11 EXTRA-LOW-VOLTAGE (ELV) SUPPLIES
2.11.1 General
2.11.2 Source of ELV supply
2.12 IDENTIFICATION
2.12.1 General
2.12.2 Identification of patient areas
2.13 TESTING AND VERIFICATION OF ELECTRICAL WORK
2.14 ADDITIONAL DOCUMENTATION
SECTION 3 ADDITIONAL REQUIREMENTS FOR BODY-PROTECTED ELECTRICAL AREAS
3.1 GENERAL
3.2 EARTHING
SECTION 4 ADDITIONAL REQUIREMENTS FOR CARDIAC-PROTECTED ELECTRICAL AREAS
4.1 GENERAL
4.2 EARTH-FREE ELV
4.3 DISPOSITION OF ELECTRICAL POINTS CONTROLLED BY LPDs
4.4 EARTHING AND EQUIPOTENTIAL BONDING
4.4.1 General
4.4.2 Equipotential earthing system
4.4.3 Return earths
SECTION 5 SPECIAL PATIENT AREAS
5.1 GENERAL
5.2 HOMECARE INSTALLATIONS
5.2.1 Conformance with AS/NZS 3000
5.2.2 Conformance with this Standard
5.2.3 Conformance with this Standard
5.3 DISABILITY AND AGED CARE INSTALLATIONS
5.4 INSTALLATIONS FOR SELF-HARM PATIENTS
5.4.1 General
5.4.2 Identification
SECTION 6 ALTERATIONS AND REPAIRS TO ELECTRICAL INSTALLATIONS IN PATIENT AREAS
6.1 INTRODUCTION
6.2 ALTERATIONS
6.2.1 General
6.2.2 Patient areas not signposted as cardiac-protected or body-protected electrical areas
6.2.3 Patient areas signposted as cardiac-protected or body-protected electrical areas
6.2.4 Installation of new socket-outlets in patient areas wired as either body-protected or cardiac-protected
6.2.5 Alterations to electrical installations in patient areas
6.3 REPAIRS
6.3.1 Patient areas not wired as cardiac-protected or body-protected electrical areas
6.3.2 Patient areas wired as cardiac-protected or body-protected electrical areas
6.4 IDENTIFICATION
SECTION 7 IDENTIFICATION OF PATIENT AREAS
7.1 GENERAL
7.2 BODY-PROTECTED ELECTRICAL AREA SIGN
7.3 CARDIAC-PROTECTED ELECTRICAL AREA SIGN
SECTION 8 ROUTINE INSPECTION AND TESTING OF CARDIAC-PROTECTED AND BODY-PROTECTED ELECTRICAL AREAS
8.1 GENERAL
8.2 BODY-PROTECTED ELECTRICAL AREAS
8.2.1 General
8.2.2 Earthing
8.2.3 Residual current devices (RCDs)
8.2.4 Line isolation monitors (LIMs)
8.2.5 Overload monitors
8.2.6 Uninterruptible power supplies (UPSs)
8.2.7 Documentation
8.3 CARDIAC-PROTECTED ELECTRICAL AREAS
8.3.1 General
8.3.2 Earthing
8.3.3 Residual current devices (RCDs)
8.3.4 Line isolation monitors (LIMs)
8.3.5 Overload monitors
8.3.6 Uninterruptible power supplies (UPS)
8.3.7 Documentation
APPENDIX A - PLANNING OF AREAS AND SELECTING THE RIGHT TYPE OF LPD
A1 CHOOSING RCD-PROTECTED OR TRANSFORMER-ISOLATED SUPPLY SYSTEMS
A2 DECIDING ON THE NUMBER AND DISPOSITION OF FINAL SUB-CIRCUITS
A2.1 Socket-outlets
A2.2 Number of protective devices
APPENDIX B - COMMISSIONING INSPECTION CHECKLIST
B1 GENERAL
B2 COMMISSIONING INSPECTION CHECKLIST FOR PATIENT AREAS
B3 COMMISSIONING CHECKLIST
APPENDIX C - STATEMENT OF CONFORMITY RECORDING FORM
APPENDIX D - CALCULATIONS FOR EQUIPOTENTIAL EARTHING
D1 GENERAL
D2 EXAMPLES OF RESISTANCE CALCULATIONS
D2.1 General
D2.2 Equipotential earthing system
D2.3 Connections to the EP junction or node
APPENDIX E - ROUTINE INSPECTION CHECKLIST FOR BODY-PROTECTED ELECTRICAL AREAS
APPENDIX F - ROUTINE INSPECTION CHECKLIST FOR CARDIAC-PROTECTED ELECTRICAL AREAS
APPENDIX G - MAGNETIC FIELDS
G1 GENERAL
G2 PROVISIONS
G3 TESTING
G4 TEST APPARATUS AND TIMING
Amendments
Previous versions
AS/NZS 3003:2018
Online Library subscription information
Online library subscriptions provide a cost-effective solution for organisations of any size to access the latest standards, offering 24/7 access to a personalised catalogue. The service ensures subscribers have have the most up-to-date version of selected standards, incluing automatic updates for any amendments or versions. Pricing is dependent on the chosen standards and the number of concurrent users, with discounts applied from the standards PDF price. For customised subscriptions or further inquiries, contact the Online Library team.