AS/NZS 3003:2011

AS/NZS 3003:2011 ELECTRICAL INSTALLATIONS-PATIENT AREAS

PREFACE

CONTENTS

SECTION 1 SCOPE AND GENERAL

1.1 SCOPE

1.2 APPLICATION

1.3 REFERENCED DOCUMENTS

1.4 DEFINITIONS

1.4.1 Applied part, Type B

1.4.2 Body-protected electrical area

1.4.3 Body-type procedure

1.4.4 Cardiac-protected electrical area

1.4.5 Cardiac-type procedure

1.4.6 Class I equipment

1.4.7 Class II equipment

1.4.8 Class III equipment

1.4.9 Competent person

1.4.10 Equipotential (EP) junction

1.4.11 Groups of socket-outlets

1.4.12 Leakage protective device (LPD)

1.4.13 Line isolation monitor (LIM)

1.4.14 Medical electrical equipment

1.4.15 Overload monitor

1.4.16 Patient

1.4.17 Patient area

1.4.18 Patient environment

1.4.19 Patient location

1.4.20 Prospective hazard current

1.4.21 Readily accessible

1.4.22 Return earth

1.4.23 Supply, essential (essential supply)

1.4.24 Supply, normal (normal supply)

1.4.25 Supply, uninterruptible (uninterruptible power supply or UPS)

1.4.26 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 General

2.2.2 Locations required to be wired as cardiac-protected electrical areas

2.2.3 Locations required to be wired as body-protected electrical areas

2.3 SUPPLY OF ELECTRICITY TO PATIENT AREAS-NEW ZEALAND ONLY

2.4 LOW-VOLTAGE A.C. SUPPLIES

2.4.1 Separation of circuits

2.4.2 Protection of wiring systems against mechanical damage

2.4.3 LPD protection required

2.4.4 LPD protection not required

2.4.5 Low-voltage uninterruptible supplies (UPS)

2.5 LOW-VOLTAGE D.C. SUPPLIES

2.6 ACCESS TO CONTROLS AND INDICATORS

2.7 LOW-VOLTAGE SOCKET-OUTLETS

2.7.1 Number of socket-outlets

2.7.2 Socket-outlets that are not readily accessible

2.7.3 Socket-outlets for cleaning equipment

2.7.4 Marking and identification of socket-outlets

2.7.5 Type of socket-outlet

2.8 RESIDUAL CURRENT DEVICES (RCDs)

2.8.1 Type of RCD

2.8.2 Discrimination

2.8.3 Number of poles

2.8.4 Number and disposition of electrical points controlled by RCDs

2.8.5 Indication

2.8.6 Marking

2.8.7 Permanently-wired equipment

2.9 LOW-VOLTAGE ISOLATED SUPPLIES

2.9.1 General

2.9.2 Isolation transformers

2.9.3 Overload monitor

2.9.4 Line isolation monitor

2.9.5 Overcurrent circuit-breaker

2.9.6 System prospective hazard current

2.9.7 Number of socket-outlets

2.9.8 Permanently-wired equipment

2.10 ISOLATION SWITCHES

2.11 EXTRA-LOW-VOLTAGE SUPPLIES

2.11.1 General

2.11.2 Source of extra-low-voltage supply

2.12 MARKING

2.12.1 General

2.12.2 Marking of patient areas

2.13 TESTING AND COMMISSIONING OF ELECTRICAL WORK

2.14 CERTIFICATION

SECTION 3 ADDITIONAL REQUIREMENTS FOR BODY-PROTECTED ELECTRICAL AREAS

3.1 GENERA

3.2 EARTHING

SECTION 4 ADDITIONAL REQUIREMENTS FOR CARDIAC-PROTECTED ELECTRICAL AREAS

4.1 GENERAL

4.2 EARTH-FREE EXTRA-LOW VOLTAGE

4.3 DISPOSITION OF ELECTRICAL POINTS CONTROLLED BY RCDS

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 HOME CARE INSTALLATIONS

5.2.1 Compliance with this Standard not required

5.2.2 Compliance with this Standard required

5.2.3 Use of portable RCDs

5.3 INSTALLATION FOR SELF-HARM PATIENTS

5.3.1 General

5.3.2 Marking

SECTION 6 ALTERATIONS, ADDITIONS AND REPAIRS TO ELECTRICAL INSTALLATIONS IN PATIENT AREAS

6.1 INTRODUCTION

6.2 ALTERATIONS AND ADDITIONS

6.2.1 General

6.2.2 Patient areas not wired as cardiac-protected or body-protected electrical areas

6.2.3 Inspection and testing patient areas prior to alteration or addition to electrical installation

6.2.4 Installation of new socket-outlets

6.2.5 Alterations or additions to electrical installations in cardiac-protected electrical areas

6.3 REPAIRS

SECTION 7 MAGNETIC FIELDS

7.1 GENERAL

7.2 REQUIREMENTS

7.3 TESTING

7.4 TEST PROCEDURE

SECTION 8 MARKING OF PATIENT AREAS

8.1 GENERAL

8.2 BODY-PROTECTED ELECTRICAL AREA SIGN

8.3 CARDIAC-PROTECTED ELECTRICAL AREA SIGN

SECTION 9 ROUTINE INSPECTION AND TESTING OF CARDIAC-PROTECTED AND BODY-PROTECTED ELECTRICAL AREAS

9.1 GENERAL

9.2 BODY-PROTECTED ELECTRICAL AREAS

9.2.1 General

9.2.2 Earthing

9.2.3 Residual current devices (RCDs)

9.2.4 Line isolation monitors (LIMs)

9.2.5 Overload monitors

9.2.6 Uninterruptible power supplies (UPSs)

9.2.7 Documentation (report)

9.3 CARDIAC-PROTECTED ELECTRICAL AREAS

9.3.1 General

9.3.2 Earthing

9.3.3 Potential difference between accessible metal equipment

9.3.4 Residual current devices (RCDs)

9.3.5 Line isolation monitors (LIMs)

9.3.6 Overload monitors

9.3.7 Uninterruptible power supplies (UPSs)

9.3.8 Documentation (report)

APPENDIX A - PLANNING OF AREAS AND SELECTING THE RIGHT TYPE OF LPD

A1 CHOOSING RCD-PROTECTED OR TRANSFORMER-ISOLATED SUPPLY SYSTEMS

A1.1 General

A1.2 Summary

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 CHECK LIST

APPENDIX C - RECORDING FORM

APPENDIX D - INSTRUMENT FOR MEASURING POTENTIAL DIFFERENCES IN AN INSTALLATION

D1 GENERAL

D2 MEASURING INSTRUMENT

APPENDIX E - CALCULATIONS FOR EQUIPOTENTIAL EARTHING

E1 REQUIREMENTS OF THE STANDARD

E2 EXAMPLES OF RESISTANCE CALCULATIONS

E2.1 General

E2.2 Equipotential earthing system

E2.3 Connections to the EP junction

APPENDIX F - DOCUMENTATION OF COMPLIANCE TO AS/NZS 3000:2011

F1 GENERAL

F2 FORM

APPENDIX G - ROUTINE INSPECTION REPORT FOR BODY-PROTECTED ELECTRICAL AREA

APPENDIX H - ROUTINE INSPECTION REPORT FOR CARDIAC-PROTECTED ELECTRICAL AREA