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  • AS/NZS 3003:2003

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    Electrical installations - Patient treatment areas of hospitals and medical, dental practices and dialyzing locations

    Available format(s):  Hardcopy, PDF 1 User, PDF 3 Users, PDF 5 Users, PDF 9 Users

    Superseded date:  18-05-2018

    Language(s):  English

    Published date:  01-01-2003

    Publisher:  Standards Australia

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    Table of Contents - (Show below) - (Hide below)

    1 - AS/NZS 3003:2003 ELECTRICAL INSTALLATIONS - PATIENT AREAS OF HOSPITALS, MEDICAL AND DENTAL PRACTICES AND DIALYZING LOCATIONS
    4 - PREFACE
    6 - CONTENTS
    9 - 1 SCOPE AND GENERAL
    9 - 1.1 Scope
    9 - 1.2 Application
    10 - 1.3 Referenced documents
    11 - 1.4 Definitions
    11 - 1.4.1 Applied part,Type B
    12 - 1.4.2 Body-protected electrical area
    12 - 1.4.3 Body-type procedure
    12 - 1.4.4 Cardiac-protected electrical area
    13 - 1.4.5 Cardiac-type procedure
    13 - 1.4.6 Class I equipment
    13 - 1.4.7 Class II equipment
    13 - 1.4.8 Class III equipment
    13 - 1.4.9 Equipotential (EP)junction
    13 - 1.4.10 Equipotential (EP)terminal
    14 - 1.4.11 Leakage protective device (LPD)
    14 - 1.4.12 Line isolation monitor (LIM)
    14 - 1.4.13 Medical electrical equipment
    14 - 1.4.14 Overload monitor
    14 - 1.4.15 Patient
    14 - 1.4.16 Patient area
    15 - 1.4.17 Patient environment
    15 - 1.4.18 Patient location
    16 - 1.4.19 Prospective hazard current
    16 - 1.4.20 Return earth
    16 - 1.4.21 Supply,essential (essential supply)
    16 - 1.4.22 Supply,normal (normal supply)
    16 - 1.4.23 Supply,uninterruptible (uninterruptible supply or UPS)
    16 - 1.4.24 Transformer-isolated supply
    17 - 2 GENERAL REQUIREMENTS FOR BODY-PROTECTED AND CARDIAC- PROTECTED ELECTRICAL AREAS
    17 - 2.1 General
    17 - 2.2 Supply of electricity to patient areas – New Zealand only
    17 - 2.3 Low-voltage a.c.supplies
    17 - 2.3.1 Protection of wiring systems against mechanical damage
    17 - 2.3.2 LPD protection required
    18 - 2.3.3 LPD protection not required
    18 - 2.3.4 Low-voltage uninterruptible supplies (UPS)
    19 - 2.4 Low-voltage d.c.supplies
    20 - 2.5 Access to controls and indicators
    20 - 2.6 Low-voltage socket-outlets
    20 - 2.6.1 Number of socket-outlets
    20 - 2.6.2 Marking and protection of socket-outlets for cleaning purposes
    20 - 2.6.3 Marking and identification of socket-outlets
    21 - 2.6.4 Type of socket-outlet
    21 - 2.7 Residual current devices (RCDs)
    21 - 2.7.1 General
    22 - 2.7.2 Number of poles
    22 - 2.7.3 Number and disposition of points controlled by RCDs
    22 - 2.7.4 Indication
    22 - 2.7.5 Marking
    22 - 2.7.6 Permanently-wired equipment
    23 - 2.8 Low-voltage isolated supplies
    23 - 2.8.1 General
    23 - 2.8.2 Isolation transformers
    23 - 2.8.3 Overload monitor
    23 - 2.8.4 Line isolation monitor
    23 - 2.8.5 Overcurrent circuit-breaker
    24 - 2.8.6 System prospective hazard current
    24 - 2.8.7 Number of socket-outlets
    24 - 2.8.8 Permanently-wired equipment
    24 - 2.9 Isolation switches
    25 - 2.10 Marking
    25 - 2.10.1 General
    25 - 2.10.2 Marking of patient areas
    25 - 2.11 Commissioning
    25 - 2.12 Inspection and documentation – New Zealand only
    26 - 3 ADDITIONAL REQUIREMENTS FOR BODY-PROTECTED ELECTRICAL AREAS
    26 - 3.1 General
    26 - 3.2 Earthing
    26 - 3.3 Home dialysis installations
    27 - 4 ADDITIONAL REQUIREMENTS FOR CARDIAC-PROTECTED ELECTRICAL AREAS
    27 - 4.1 General
    27 - 4.2 Extra-low-voltage supplies
    27 - 4.2.1 General
    27 - 4.2.2 Source of extra-low-voltage supply
    27 - 4.2.3 Earth-free
    27 - 4.2.4 Batteries
    27 - 4.3 Disposition of points controlled by RCDs
    27 - 4.4 Earthing and equipotential bonding
    27 - 4.4.1 General
    28 - 4.4.2 Equipotential earthing system
    31 - 4.4.3 Return earths
    31 - 4.4.4 Equipotential terminal (EP terminal)
    37 - APPENDIX A - RATIONALE FOR THE REQUIREMENTS OF THIS STANDARD
    37 - A1 Section 1 – General and scope
    37 - A2 Section 2 – General requirements for patient areas
    37 - A2.1 General
    37 - A2.2 Electricity supply
    37 - A2.3 and A2.4 LPD protection and supply wiring
    37 - A2.5 Access to protective devices
    38 - A2.6 Socket-outlets
    38 - A2.7 Residual current devices (RCD)
    39 - A2.8 Low-voltage isolated supplies
    40 - A2.9 Isolation switches
    40 - A2.10 Marking
    40 - A2.11 Commissioning
    40 - A3 Section 3 –Additional requirements for body-protected electrical areas
    40 - A3.1 General
    40 - A3.2 Earthing
    40 - A3.3 Home dialysis installations
    40 - A4 Section 4 –Additional requirements for cardiac-protected electrical areas
    40 - A4.1 General
    40 - A4.2 Extra-low-voltage supplies
    41 - A4.3 Disposition of points controlled by RCDs
    41 - A4.4 Earthing
    42 - APPENDIX B - PLANNING OF AREAS
    42 - B1 Choosing RCD-protected or isolation-protected supply systems
    42 - B1.1 General
    42 - B1.2 Summary
    43 - B2 Deciding on the number and disposition of final subcircuits
    43 - B2.1 Socket-outlets
    43 - B2.2 Number of protective devices
    44 - APPENDIX C - MARKING OF PATIENT AREAS
    44 - C1 General
    44 - C2 Body-protected electrical area sign
    44 - C3 Cardiac-protected electrical area sign
    45 - APPENDIX D - COMMISSIONING FOR PATIENT AREAS
    45 - D1 Commissioning inspection check list
    51 - D2 Testing
    51 - D3 Documentation
    52 - APPENDIX E - SAMPLE RECORDING FORMS
    56 - APPENDIX F - MEASURES FOR AVOIDING INTERFERENCE FROM MAGNETIC FIELDS
    56 - F1 General
    56 - F2 Location of equipment
    56 - F3 Underfloor heating
    57 - APPENDIX G - METHOD FOR MEASURING MAGNETIC FIELDS
    59 - APPENDIX H - INSTRUMENT FOR MEASURING POTENTIAL DIFFERENCES IN AN INSTALLATION
    61 - APPENDIX I - CALCULATIONS FOR EQUIPOTENTIAL EARTHING
    61 - I1 Requirements of the Standard
    61 - I2 Examples of resistance calculations
    61 - I2.1 General
    61 - I2.2 Equipotential earthing system
    61 - I2.3 Connections to the EP junction
    63 - APPENDIX J - ALTERATIONS TO EQUIPOTENTIAL EARTHING SYSTEMS IN EXISTING INSTALLATIONS
    63 - J1 General
    63 - J2
    64 - J3

    Abstract - (Show below) - (Hide below)

    Specifies requirements, in addition to those AS/NZS 3000 for electrical installations in hospitals and medical and dental practices where electromedical procedures are performed on a regular basis. In addition, specifies requirements for cardiac-protected and body-protected electrical areas. Included in the appendices are typical forms for commissioning tests for patient areas, methods of measuring magnetic fields and resistance calculations in equipotential areas.

    Scope - (Show below) - (Hide below)

    This Standard sets out requirements for electrical installations in PATIENT AREAS of hospitals, medical and dental practices, and dialyzing locations.Areas other than PATIENT AREAS are not covered by this Standard, but are covered by the relevantrequirements of AS/NZS 3000.NOTES –(1)Attention is drawn to AS/NZS 2500,which outlines the procedure for determining whereCARDIAC-PROTECTED ELECTRICAL AREAS are required. These decisions are made by the governingbody or proprietor of the health care facility, based on the classification of the medicalprocedures undertaken in each area and the protection against electric shock provided inthe MEDICAL ELECTRICAL EQUIPMENT available for these procedures.(2)A rationale for the requirements of this Standard is given in Appendix A.(3)Requirements for mobile trolleys supporting electrical equipment are given inAS/NZS 3200.1.1 and AS/NZS 4510.(4)Requirements for emergency lighting are given in AS/NZS 2293.1.(5)Requirements for emergency power systems in hospitals are given in AS/NZS 3009.

    General Product Information - (Show below) - (Hide below)

    Committee HT-021
    Document Type Standard
    Publisher Standards Australia
    Status Superseded
    Superseded By
    Supersedes
    Under Revision

    History - (Show below) - (Hide below)

    First published as part of AS 3003-1976.Second edition 1985.Jointly revised and redesignated in part as AS/NZS 3003:1999.Gourth edition 2003. First published as part of AS 3003-1976. Second edition 1985. Jointly revised and redesignated in part as AS/NZS 3003:1999. Gourth edition 2003.

    Standards Referenced By This Book - (Show below) - (Hide below)

    AS/NZS 1125:2001 Conductors in insulated electric cables and flexible cords (Reconfirmed 2017)
    AS 1319-1994 Safety signs for the occupational environment (Reconfirmed 2018)
    AS/NZS 5000.1:1999 Electric cables - Polymeric insulated For working voltages up to and including 0.6/1 kV
    AS/NZS 3000:2000 Electrical installations (known as the Australian/New Zealand Wiring Rules)
    AS/NZS 3009:1998 Electrical installations - Emergency power supplies in hospitals
    AS/NZS 3008.1.1:1998 Electrical installations - Selection of cables - Cables for alternating voltages up to and including 0.6/1 kV - Typical Australian installation conditions
    AS/NZS 3200.1.0-1998 Medical electrical equipment General requirements for safety - Parent Standard
    AS/NZS 2500:2004 Guide to the safe use of electricity in patient care
    AS 3011.1-1992 Electrical installations - Secondary batteries installed in buildings - Vented cells Vented cells
    AS 3011.2-1992 Electrical installations - Secondary batteries installed in buildings Sealed cells
    AS/NZS 3175.1:1994 Approval and test specification - Residual current-operated circuit-breakers without integral overcurrent protection for household and similar uses (RCCB’s) General rules
    AS/NZS 3100:2002 Approval and test specification - General requirements for electrical equipment
    AS/NZS 3131:2001 Approval and test specification - Plugs and socket-outlets for stationary appliances
    AS/NZS 61009.1:1999 Residual current operated circuit breakers with integral overcurrent protection for household and similar uses (RCBOs) General rules
    AS/NZS 3190:2002 Approval and test specification - Residual current devices (current-operated earth-leakage devices)
    AS 2293.1-2005 Emergency escape lighting and exit signs for buildings - System design, installation and operation
    AS/NZS 61009.1:2004 Residual current operated circuit breakers with integral overcurrent protection for household and similar uses (RCBOs) General rules (IEC 61009-1, Ed. 2.1 (2003) MOD)
    AS/NZS 3008.1.2:1998 Electrical installations - Selection of cables - Cables for alternating voltages up to and including 0.6/1 kV - Typical New Zealand installation conditions
    AS/NZS 4898:1997 Approval and test specification - Circuit-breakers for overcurrent protection for household and similar installations
    AS/NZS 3200.1.1:1995 Approval and test specification - Medical electrical equipment General requirements for safety - Collateral Standard: Safety requirements for medical electrical systems
    AS/NZS 2500:1995 Guide to the safe use of electricity in patient care
    AS/NZS 2293.1:1998 Emergency evacuation lighting for buildings System design, installation and operation
    AS/NZS 3175.2.2:1994 Approval and test specification - Residual current-operated circuit breakers without integral overcurrent protection for household and similar uses (RCCB’s) Functionally dependent on line voltage
    AS/NZS 3108:1994 Approval and test specification - Particular requirements for isolating transformers and safety isolating transformers
    AS/NZS 3175.2.1:1994 Approval and test specification - Residual current-operated circuit breakers without integral overcurrent protection for household and similar uses (RCCB’s) Functionally independent of line voltage
    AS/NZS 4510:1999 Isolated electrical supply systems for medical use (Reconfirmed 2016)
    AS 3111-1994 Approval and test specification - Miniature overcurrent circuit-breakers
    AS/NZS 5000.1:2005 Electric cables - Polymeric insulated For working voltages up to and including 0.6/1 (1.2) kV (Reconfirmed 2017)

    Standards Referencing This Book - (Show below) - (Hide below)

    AS 2896-1998 Medical gas systems - Installation and testing of non-flammable medical gas pipeline systems
    AS 3200-1986 Approval and test specification - Electromedical equipment - General requirements
    AS/NZS 3019:2007 Electrical installations - Periodic verification
    AS/NZS 3551:2004 Technical management programs for medical devices
    AS/NZS 3000:2007 Electrical installations (known as the Australian/New Zealand Wiring Rules)
    AS/NZS 2243.1:2005 Safety in laboratories Planning and operational aspects
    AS/NZS 3001:2008 Electrical installations - Transportable structures and vehicles including their site supplies
    AS 2896-2011 Medical gas systems - Installation and testing of non-flammable medical gas pipeline systems
    AS/NZS 2500:2004 Guide to the safe use of electricity in patient care
    AS/NZS 3760:2010 In-service safety inspection and testing of electrical equipment
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