Low-voltage electrical installations - Part 7-710: Requirements for special installations or locations - Medical locations

IEC 60364-7-710:2021 applies to electrical installations in medical locations so as to provide safety of patients and medical staff. These requirements refer to:
– hospitals and clinics or equivalent institutions (including equivalent transportable and mobile locations);
which, subject to assessment (710.30), can also include:
– sanatoriums and health clinics;
– dedicated locations in homes for senior citizens and aged care homes, where patients receive medical care;
– medical centres, outpatients' clinics and departments, casualty wards;
– other outpatients' institutions (industrial, sports and others);
– medical and dental practices;
– dedicated medical rooms in the workplace;
– other locations where medical electrical equipment is used;
– veterinary clinics;
– rooms in existing installations where a change of utilization for medical applications occur.
This list is not exhaustive.
The requirements of this document do not apply to ME equipment or ME systems.
This edition includes the following significant technical changes with respect to the previous edition:
a) the scope provides improved information to the application of this document;
b) some terms and definitions have been revised;
c) the validity of the respective parts of the IEC 60364 series has been verified and clauses updated;
d) Clause 710.30 has been extended;
e) Clause 710.41 has been updated;
f) Clause 710.413 has been renumbered as Clause 710.411;
g) in 710.411 insulation fault location systems have been added;
h) Clause 710.421 has been extended to include arc fault detection devices;
i) Clause 710.44 has been added;
j) Clause 710.51 has been updated and now covers distribution boards and electrical operating areas;
k) Clause 710.514, has been extended and includes separate subclauses on diagrams, documentation and operating instructions;
l) Subclauses 710.531 to 710.537 have been added;
m) Clause 710.55 has been updated;
n) Clause 710.56 has been added;
o) Clause 710.6, Verification, has been revised;
p) Annex A was deleted, and the contents integrated into 710.560.4;
q) former Annex B is now Annex A and has been updated;
r) an informative Annex B on guidance concerning electromagnetic interferences (EMI) in installations of buildings has been added

Installations électriques à basse tension - Partie 7-710: Exigences pour les installations ou emplacements spéciaux - Locaux à usages médicaux

IEC 60364-7-710:2021 est applicables à des installations électriques de locaux à usages médicaux afin d'assurer la sécurité des patients et du personnel médical. Ces exigences se réfèrent généralement à:
– des hôpitaux et des cliniques ou des établissements équivalents (y compris des locaux analogues transportables et mobiles);
qui, sous réserve d’évaluation (710.30), peuvent également inclure:
– des sanatoriums et des cliniques médicales;
– des emplacements dédiés dans les foyers pour personnes âgées, où les patients reçoivent des soins médicaux;
– des centres médicaux, des centres de traitements ambulatoires et des services de consultations externes, des salles d’urgence;
– d’autres établissements (industriels, sportifs et autres) de consultations externes;
– des cabinets médicaux et dentaires;
– des locaux médicaux sur des sites de travail;
– d'autres locaux où des appareils électromédicaux sont utilisés;
– des cliniques vétérinaires;
– des salles dans des locaux existants en cas de changement d’utilisation de local pour des applications médicales.
Cette liste n’est pas exhaustive.
Les exigences du présent document ne s'appliquent pas aux appareils EM ou aux systèmes EM.
Cette édition inclut les modifications techniques majeures suivantes par rapport à l'édition précédente:
a) le domaine d’application fournit de meilleures informations sur l’application du présent document;
b) certains termes et définitions ont été révisés;
c) la validité des parties correspondantes de la série IEC 60364 a été vérifiée et des articles ont été mis à jour;
d) l’Article 710.30 a été étendu;
e) l’Article 710.41 a été mis à jour;
f) l’Article 710.413 devient désormais l’Article 710.411;
g) les systèmes de localisation de défaut d’isolement ont été ajoutés à l’Article 710.411;
h) l’Article 710.421 a été étendu pour inclure les dispositifs pour la détection d’arcs;
i) l’Article 710.44 a été ajouté;
j) l’Article 710.51 a été mis à jour et couvre désormais les tableaux de distribution et les zones d’opérations électriques;
k) l’Article 710.514 a été étendu et comprend des paragraphes distincts sur les schémas, la documentation et les instructions de fonctionnement;
l) les paragraphes 710.531 à 710.537 ont été ajoutés;
m) l’Article 710.55 a été mis à jour;
n) l’Article 710.56 a été ajouté;
o) l’Article 710.6, Vérification, a été révisé;
p) l’Annexe A est supprimée et son contenu a été inséré dans le 710.560.4;
q) l’ancienne Annexe B devient désormais l’Annexe A et a été mise à jour;
r) une Annexe B informative de recommandations relatives aux perturbations électromagnétiques (EMI) sur les installations des bâtiments, a été ajoutée.

General Information

Status
Published
Publication Date
04-May-2021
Current Stage
PPUB - Publication issued
Completion Date
05-May-2021
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IEC 60364-7-710
Edition 2.0 2021-05
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Low-voltage electrical installations –
Part 7-710: Requirements for special installations or locations – Medical
locations
Installations électriques à basse tension –
Partie 7-710: Exigences pour les installations ou emplacements spéciaux –
Locaux à usages médicaux
IEC 60364-7-710:2021-05(en-fr)
---------------------- Page: 1 ----------------------
THIS PUBLICATION IS COPYRIGHT PROTECTED
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---------------------- Page: 2 ----------------------
IEC 60364-7-710
Edition 2.0 2021-05
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Low-voltage electrical installations –
Part 7-710: Requirements for special installations or locations – Medical
locations
Installations électriques à basse tension –
Partie 7-710: Exigences pour les installations ou emplacements spéciaux –
Locaux à usages médicaux
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 29.020; 91.140.50 ISBN 978-2-8322-9592-2

Warning! Make sure that you obtained this publication from an authorized distributor.

Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agréé.

® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale
---------------------- Page: 3 ----------------------
– 2 – IEC 60364-7-710:2021 © IEC 2021
CONTENTS

FOREWORD ........................................................................................................................... 3

INTRODUCTION ..................................................................................................................... 5

710 Medical locations ............................................................................................................. 7

710.1 Scope .............................................................................................................. 7

710.2 Normative references ....................................................................................... 7

710.3 Terms and definitions ....................................................................................... 8

710.30 Assessment of general characteristics ........................................................... 11

710.31 Purposes, supplies and structure ................................................................... 11

710.313 Supplies ......................................................................................................... 11

710.314 Division of installation .................................................................................... 12

710.41 Protection for safety – Protection against electric shock ................................. 12

710.411 Protective measure: automatic disconnection of supply .................................. 12

710.414 Protective measure: extra-low-voltage provided by SELV and PELV .............. 14

710.415 Additional protection ...................................................................................... 14

710.42 Protection for safety – Protection against thermal effects ............................... 15

710.421 Protection against fire caused by electrical equipment ................................... 15

710.44 Protection for safety – Protection against voltage disturbances and

electromagnetic disturbances ......................................................................... 15

710.444 Measures against electromagnetic influences ................................................ 15

710.51 Selection and erection of electrical equipment – Common rules ..................... 16

710.512 Operational conditions and external influences .............................................. 17

710.514 Identification .................................................................................................. 17

710.52 Selection and erection of electrical equipment – Wiring systems .................... 18

710.53 Selection and erection of electrical equipment – Devices for protection

for safety, isolation, switching, control and monitoring .................................... 19

710.531 Equipment for protection against electric shock .............................................. 19

710.535 Co-ordination of protective devices ................................................................ 20

710.536 Isolation and switching ................................................................................... 20

710.537 Monitoring ...................................................................................................... 20

710.55 Selection and erection of electrical equipment – Other equipment .................. 21

710.559 Luminaires and lighting installations ............................................................... 21

710.56 Selection and erection of electrical equipment – Safety services .................... 21

710.6 Verification ..................................................................................................... 24

Annex A (informative) Examples of allocation of group numbers and classification for

an electric supply system for safety services of medical locations ......................................... 27

Annex B (informative) Guidance concerning electromagnetic interferences (EMI) ................ 28

Annex C (informative) List of notes concerning certain countries (exceptions) ..................... 29

Bibliography .......................................................................................................................... 39

Figure 710.1 – Example of a patient environment ................................................................. 26

Table A.710.1 – List of examples of medical locations and their group classification

(guideline) ............................................................................................................................ 27

Table B.710.1 – Minimum distances ...................................................................................... 28

---------------------- Page: 4 ----------------------
IEC 60364-7-710:2021 © IEC 2021 – 3 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
LOW-VOLTAGE ELECTRICAL INSTALLATIONS –
Part 7-710: Requirements for special installations or locations –
Medical locations
FOREWORD

1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising

all national electrotechnical committees (IEC National Committees). The object of IEC is to promote

international co-operation on all questions concerning standardization in the electrical and electronic fields. To

this end and in addition to other activities, IEC publishes International Standards, Technical Specifications,

Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC

Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested

in the subject dealt with may participate in this preparatory work. International, governmental and non-

governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely

with the International Organization for Standardization (ISO) in accordance with conditions determined by

agreement between the two organizations.

2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international

consensus of opinion on the relevant subjects since each technical committee has representation from all

interested IEC National Committees.

3) IEC Publications have the form of recommendations for international use and are accepted by IEC National

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between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in

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5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity

assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any

services carried out by independent certification bodies.

6) All users should ensure that they have the latest edition of this publication.

7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and

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other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and

expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC

Publications.

8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is

indispensable for the correct application of this publication.

9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of

patent rights. IEC shall not be held responsible for identifying any or all such patent rights.

IEC 60364-7-710 has been prepared by IEC technical committee 64: Electrical installations

and protection against electric shock. It is an International Standard.

This second edition cancels and replaces the first edition published in 2002. This edition

constitutes a technical revision.

This edition includes the following significant technical changes with respect to the previous

edition:
a) the scope provides improved information to the application of this document;
b) some terms and definitions have been revised;

c) the validity of the respective parts of the IEC 60364 series has been verified and clauses

updated;
d) Clause 710.30 has been extended;
---------------------- Page: 5 ----------------------
– 4 – IEC 60364-7-710:2021 © IEC 2021
e) Clause 710.41 has been updated;
f) Clause 710.413 has been renumbered as Clause 710.411;
g) in 710.411 insulation fault location systems have been added;
h) Clause 710.421 has been extended to include arc fault detection devices;
i) Clause 710.44 has been added;

j) Clause 710.51 has been updated and now covers distribution boards and electrical

operating areas;

k) Clause 710.514, has been extended and includes separate subclauses on diagrams,

documentation and operating instructions;
l) Subclauses 710.531 to 710.537 have been added;
m) Clause 710.55 has been updated;
n) Clause 710.56 has been added;
o) Clause 710.6, Verification, has been revised;
p) Annex A was deleted, and the contents integrated into 710.560.4;
q) former Annex B is now Annex A and has been updated;

r) an informative Annex B on guidance concerning electromagnetic interferences (EMI) in

installations of buildings has been added.
The text of this International Standard is based on the following documents:
Draft Report on voting
64/2480/FDIS 64/2482/RVD

Full information on the voting for its approval can be found in the report on voting indicated in

the above table.
The language used for the development of this International Standard is English.

This document was drafted in accordance with ISO/IEC Directives, Part 2, and developed in

accordance with ISO/IEC Directives, Part 1 and ISO/IEC Directives, IEC Supplement,

available at www.iec.ch/members_experts/refdocs. The main document types developed by

IEC are described in greater detail at www.iec.ch/standardsdev/publications.

A list of all parts in the IEC 60364 series, published under the general title Low-voltage

electrical installations, can be found on the IEC website.

The reader's attention is drawn to the fact that Annex C lists all of the "in-some-country"

clauses on differing practices of a less permanent nature relating to the subject of this

document.

The committee has decided that the contents of this document will remain unchanged until the

stability date indicated on the IEC website under "http://webstore.iec.ch" in the data related to

the specific document. At this date, the document will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
---------------------- Page: 6 ----------------------
IEC 60364-7-710:2021 © IEC 2021 – 5 –
INTRODUCTION

For the purpose of this part of IEC 60364 (IEC 60364-7-710) the requirements of the general

Parts 1 to 6 and Part 8 of IEC 60364 apply.

The IEC 60364-7-7XX parts of IEC 60364 contain particular requirements for special

installations or locations which are based on the requirements of the general parts of

IEC 60364 (IEC 60364-1 to IEC 60364-6 and IEC 60364-8). These IEC 60364-7-7XX parts are

considered in conjunction with the requirements of the general parts.

The particular requirements of this part of IEC 60364 supplement, modify or replace certain of

the requirements of the general parts of IEC 60364 being valid at the time of publication of

this part. The absence of reference to the exclusion of a part or a clause of a general part

means that the corresponding clauses of the general part are applicable (undated
references).

Requirements of other 7XX parts being relevant for installations covered by this part also

apply. This part may therefore also supplement, modify or replace certain of these

requirements valid at the time of publication of this part.

The clause numbering of this part follows the pattern and corresponding references of

IEC 60364. The numbers following the particular number of this part are those of the

corresponding parts, or clauses of the other parts of the IEC 60364 series, valid at the time of

publication of this part, as indicated in the normative references of this document (dated

references).

If requirements or explanations additional to those of the other parts of the IEC 60364 series

are needed, the numbering of such items appears as 710.101, 710.102, 710.103, etc.

In the case where new or amended general parts with modified numbering were published

after this part was issued, the clause numbers referring to a general part in this Part 710 may

no longer align with the latest edition of the general part. Dated references should be

observed.

The particular requirements of this document apply to the electrical installations in medical

locations.

The clause numbering following 710 are those of the corresponding parts or clauses of

IEC 60364. The absence of reference to a part or a clause means that all parts of IEC 60364

are applicable.

In medical locations patients are likely to be subjected to the application of medical electrical

(ME) equipment. Measures for the safety of patients and medical staff need to be enhanced

due to:
i) the reduction in body resistance, since the skin is often cut or broken;

ii) the risk associated with loss of supply, especially to life supporting equipment;

iii) the increased risk of electric shock due to the presence of liquids, such as blood,

saline and water (e.g. for irrigation).

Items (i) and (ii) affect the patient, whereas item (iii) affects the patient and medical staff.

For every activity and function in a medical location, the particular requirements for safety,

including protection against electric shock and continuity of supply, need to be considered.

Safety can be achieved by the application of this document and the safe operation and

maintenance of ME equipment.
---------------------- Page: 7 ----------------------
– 6 – IEC 60364-7-710:2021 © IEC 2021

Variations of this document to further enhance safety and reliability are acceptable.

Annex C provides a statement about the inclusion of text concerning particular conditions that

are existing in certain countries and that state exceptions to the respective subclauses.

---------------------- Page: 8 ----------------------
IEC 60364-7-710:2021 © IEC 2021 – 7 –
LOW-VOLTAGE ELECTRICAL INSTALLATIONS –
Part 7-710: Requirements for special installations or locations –
Medical locations
710 Medical locations
710.1 Scope

The particular requirements of this part of IEC 60364 apply to electrical installations in

medical locations so as to provide safety of patients and medical staff. These requirements

refer to:

– hospitals and clinics or equivalent institutions (including equivalent transportable and

mobile locations);
which, subject to assessment (710.30), can also include:
– sanatoriums and health clinics;

– dedicated locations in homes for senior citizens and aged care homes, where patients

receive medical care;
– medical centres, outpatients' clinics and departments, casualty wards;
– other outpatients' institutions (industrial, sports and others);
– medical and dental practices;
– dedicated medical rooms in the workplace;
– other locations where medical electrical equipment is used;
– veterinary clinics;

– rooms in existing installations where a change of utilization for medical applications occur.

This list is not exhaustive.
The requirements of this document do not apply to ME equipment or ME systems.
NOTE 1 ME equipment and ME systems are covered by IEC 60601 (all parts).
® ®

NOTE 2 In the USA, the requirements of NFPA 70 , National Electrical Code in general and specifically article

517 (Healthcare Facilities) apply.
710.2 Normative references

The following documents are referred to in the text in such a way that some or all of their

content constitutes requirements of this document. For dated references, only the edition

cited applies. For undated references, the latest edition of the referenced document (including

any amendments) applies.

IEC 60050-826, International Electrotechnical Vocabulary – Part 826: Electrical installations

(available at http://www.electropedia.org)

IEC 60364-1:2005, Low-voltage electrical installations – Part 1: Fundamental principles,

assessment of general characteristics, definitions

IEC 60364-4-41:2005, Low-voltage electrical installations – Part 4-41: Protection for safety –

Protection against electric shock
IEC 60364-4-41:2005/AMD1:2017
---------------------- Page: 9 ----------------------
– 8 – IEC 60364-7-710:2021 © IEC 2021

IEC 60364-4-42:2010, Low-voltage electrical installations – Part 4-42: Protection for safety –

Protection against thermal effects
IEC 60364-4-42:2010/AMD1:2014

IEC 60364-4-44:2007, Low-voltage electrical installations – Part 4-44: Protection for safety –

Protection against voltage disturbances and electromagnetic disturbances
IEC 60364-4-44:2007/AMD1:2015
IEC 60364-4-44:2007/AMD2:2018

IEC 60364-5-51:2005, Electrical installations of buildings – Part 5-51: Selection and erection

of electrical equipment – Common rules

IEC 60364-5-52:2009, Low-voltage electrical installations – Part 5-52: Selection and erection

of electrical equipment – Wiring systems

IEC 60364-5-53:2019, Low-voltage electrical installations – Part 5-53: Selection and erection

of electrical equipment – Devices for protection for safety, isolation, switching, control and

monitoring
IEC 60364-5-53:2019/AMD1:2020

IEC 60364-5-56:2018, Low-voltage electrical installations – Part 5-56: Selection and erection

of electrical equipment – Safety services
IEC 60364-6:2016, Low voltage electrical installations – Part 6: Verification

IEC 60947-6-1, Low-voltage switchgear and controlgear – Part 6-1: Multiple function

equipment – Transfer switching equipment
IEC 61439 (all parts), Low-voltage switchgear and controlgear assemblies

IEC 61557-8:2014, Electrical safety in low voltage distribution systems up to 1 000 V a.c. and

1 500 V d.c. – Equipment for testing, measuring or monitoring of protective measures –

Part 8: Insulation monitoring devices for IT systems

IEC 61557-9:2014, Electrical safety in low voltage distribution systems up to 1 000 V a.c. and

1 500 V d.c. – Equipment for testing, measuring or monitoring of protective measures –

Part 9: Equipment for insulation fault location in IT systems

IEC 61558-2-15, Safety of transformers, reactors, power supply units and combinations

thereof – Part 2-15: Particular requirements and tests for isolating transformers for the supply

of medical locations
710.3 Terms and definitions

For the purposes of this document, the terms and definitions given in IEC 60050-826,

IEC 60364-1 and the following apply.

ISO and IEC maintain terminological databases for use in standardization at the following

addresses:
• IEC Electropedia: available at http://www.electropedia.org/
• ISO Online browsing platform: available at http://www.iso.org/obp
710.3.1
medical location

location intended for purposes of diagnosis, treatment, monitoring and care of patients

---------------------- Page: 10 ----------------------
IEC 60364-7-710:2021 © IEC 2021 – 9 –
710.3.2
patient

living being (person or animal) undergoing a medical, surgical or dental procedure

[SOURCE: IEC 60601-1:2005, 3.76, modified – The note has been deleted.]
710.3.3
medical electrical equipment
ME equipment

electrical equipment having an applied part or transferring energy to or from the patient or

detecting such energy transfer to or from the patient and which is
a) provided with not more than one connection to a particular supply mains, and

b) intended by its manufacturer to be used in the diagnosis, treatment, or monitoring of a

patient, or for compensation or alleviation of disease, injury or disability

Note 1 to entry: ME equipment includes those accessories as defined by the manufacturer that are necessary to

enable the normal use of the ME equipment.

[SOURCE: IEC 60601-1:2005, 3.63, modified – Notes 2, 3, 4 and 5 have been deleted.]

710.3.4
applied part

part of ME equipment that in normal use necessarily comes into physical contact with the

patient for ME equipment or an ME system to perform its function
[SOURCE: IEC 60601-1:2005, 3.8, modified – The notes have been deleted.]
710.3.5
medical electrical system
ME system

combination, as specified by its manufacturer, of items of equipment, at least one of which is

ME equipment to be inter-connected by functional connection or by use of a multiple socket-

outlet
[SOURCE: IEC 60601-1:2005, 3.64, modified – The note has been deleted.]
710.3.6
patient environment

any volume in which intentional or unintentional contact can occur between a patient and

parts of the ME equipment or ME system or between a patient and other persons touching

parts of the ME equipment or ME system
Note 1 to entry: For illustration see Figure 710.1.
Note 2 to entry: This applies where the patient's position is pre-determined.
[SOURCE: IEC 60601-1:2005, 3.79, modified – The notes have been added.]
710.3.7
group 0
medical location where ME equipment or ME systems are not intended to be used
710.3.8
group 1

medical location where ME equipment or ME systems are intended to be used externally or

invasively on any part of the patient and where discontinuity of the electrical supply, such as

protection against electric shock, does not represent a risk to the safety of the patient

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710.3.9
group 2

medical location where ME equipment or ME systems are intended to be used intrusively,

externally or invasively to any part of the patient and where discontinuity of the electrical

supply, such as protection against electric shock, represents a risk to the safety of the patient

710.3.10
medical IT system

electric IT system fulfilling all specific additional requirements of group 2 medical locations

Note 1 to entry: All specific requirements for medical locations of group 2 are reflected.

710.3.11
main distribution board

distribution board that fulfils all the functions of a main electrical distribution for the supplied

area assigned to it and where the voltage is measured for operating the electric supply

system for safety services
710.3.12
electric source for safety services

electric source intended to be used as part of an electric supply system for safety services

[SOURCE: IEC 60050-826:2004, 826-10-05]
710.3.13
medical insulation monitoring device
MED-IMD

specific insulation monitoring device (IMD) dedicated to monitor medical IT systems

[SOURCE: IEC 61557-8:2014, 3.1.22, modified – "of a group 2 medical location" has been

deleted]
710.3.14
insulation fault location system
IFLS

device or combination of devices used for insulation fault location in IT systems, where the

insulation fault location system is used in addition to an insulation monitoring device and is

used to locate insulation faults
Note 1 to entry: An IFLS injects a lo
...

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