SIST EN IEC 60079-14:2025
(Main)Explosive atmospheres - Part 14: Electrical installation design, selection and installation of equipment, including initial inspection (IEC 60079-14:2024)
Explosive atmospheres - Part 14: Electrical installation design, selection and installation of equipment, including initial inspection (IEC 60079-14:2024)
IEC 60079:2024 contains the specific requirements for the design of electrical systems, selection, installation and the required initial inspection of electrical installations of Ex Equipment in, or associated with, explosive atmospheres including requirements for documentation and personnel competency.
These requirements are in addition to the requirements for installations in non-hazardous areas.
This document applies to all electrical Ex Equipment including fixed, transportable, portable and personal, and installations, permanent or temporary.
This document does not apply to:
• electrical installations in mines susceptible to firedamp;
• inherently explosive situations and dust from explosives or pyrophoric substances (for example explosives manufacturing and processing);
• rooms used for medical purposes;
• electrical installations in areas where the hazard is due to flammable mist; and
• installation of non-electrical Ex Equipment (unless being part of an equipment assembly according IEC TS 60079-46).
No account is taken in this document of the toxic hazards that are associated with flammable gases, liquids and dusts in concentrations that are usually very much less than the lower flammable limit. In locations where personnel could be exposed to potentially toxic concentrations of flammable material, appropriate precautions are necessary. Such precautions are outside the scope of this document.
This sixth edition cancels and replaces the fifth edition published in 2013. This edition constitutes a technical revision. Edition 6 is a major restructure and introduces a number of technical changes from the previous edition (2013), see Table 1 of the foreword for detailed information.
Explosionsgefährdete Bereiche - Teil 14: Projektierung, Auswahl und Errichtung elektrischer Anlagen (IEC 60079-14:2024)
Atmosphères explosives - Partie 14: Conception des installations électriques, sélection et installation des appareils, comprenant l'inspection initiale (IEC 60079-14:2024)
IEC 60079-14:2024 contient les exigences spécifiques relatives à la conception de systèmes électriques, à la sélection, à l’installation et à l’inspection initiale exigée des installations électriques des appareils Ex électriques situés dans des atmosphères explosives, ou associées à celles-ci, comprenant les exigences relatives à la documentation et à la compétence du personnel.
Ces exigences complètent celles relatives aux installations dans les emplacements non dangereux.
Le présent document s’applique à tout appareil Ex électrique, comprenant les appareils fixes, transportables, portables, et personnels, et aux installations, permanentes ou temporaires.
Le présent document ne s’applique pas:
• aux installations électriques situées dans des mines grisouteuses;
• aux situations intrinsèquement explosives et aux poussières issues de substances explosives ou pyrophoriques (la fabrication et le traitement d’explosifs, par exemple);
• aux salles utilisées à des fins médicales;
• aux installations électriques situées dans des emplacements où le danger provient d’un brouillard inflammable; et
• à l’installation d’appareils Ex non électriques (sauf s’ils font partie d’un assemblage d’appareils conformément à l’IEC TS 60079-46).
Le présent document ne tient pas compte des dangers toxiques associés aux gaz, liquides et poussières inflammables présents dans des concentrations habituellement bien inférieures à la limite inférieure d’inflammabilité. Sur les sites où le personnel est susceptible d’être exposé à des concentrations potentiellement toxiques de matières inflammables, des précautions appropriées sont nécessaires. Ces précautions ne relèvent pas du domaine d’application du présent document.
Cette sixième édition annule et remplace la cinquième édition parue en 2013. Cette édition constitue une révision technique.
La 6e édition constitue une restructuration majeure et introduit plusieurs modifications techniques par rapport à l’édition précédente (2013). Le Tableau 1, voir AVANT-PROPOS "Tableau des modifications majeures", est fourni afin de mettre en avant les modifications techniques ainsi que les principales modifications rédactionnelles par rapport à l’édition précédente.
Ekspolozivne atmosfere - Načrtovanje, izbira in namestitev električnih inštalacij, vključno z začetnim pregledom (IEC 60079-14:2024)
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
01-januar-2025
Ekspolozivne atmosfere - Načrtovanje, izbira in namestitev električnih inštalacij,
vključno z začetnim pregledom (IEC 60079-14:2024)
Explosive atmospheres - Part 14: Electrical installation design, selection and installation
of equipment, including initial inspection (IEC 60079-14:2024)
Explosionsgefährdete Bereiche - Teil 14: Projektierung, Auswahl und Errichtung
elektrischer Anlagen (IEC 60079-14:2024)
Atmosphères explosives - Partie 14: Conception des installations électriques, sélection
et installation des appareils, comprenant l'inspection initiale (IEC 60079-14:2024)
Ta slovenski standard je istoveten z: EN IEC 60079-14:2024
ICS:
29.260.20 Električni aparati za Electrical apparatus for
eksplozivna ozračja explosive atmospheres
91.140.50 Sistemi za oskrbo z elektriko Electricity supply systems
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EUROPEAN STANDARD EN IEC 60079-14
NORME EUROPÉENNE
EUROPÄISCHE NORM October 2024
ICS 29.260.20 Supersedes EN 60079-14:2014;
EN 60079-14:2014/AC:2016
English Version
Explosive atmospheres - Part 14: Electrical installation design,
selection and installation of equipment, including initial
inspection
(IEC 60079-14:2024)
Atmosphères explosives - Partie 14: Conception des Explosionsgefährdete Bereiche - Teil 14: Projektierung,
installations électriques, sélection et installation des Auswahl und Errichtung elektrischer Anlagen
appareils, comprenant l'inspection initiale (IEC 60079-14:2024)
(IEC 60079-14:2024)
This European Standard was approved by CENELEC on 2024-10-04. CENELEC members are bound to comply with the CEN/CENELEC
Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.
Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC
Management Centre or to any CENELEC member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the
same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the
Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Türkiye and the United Kingdom.
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2024 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN IEC 60079-14:2024 E
European foreword
The text of document 31J/366/FDIS, future edition 6 of IEC 60079-14, prepared by SC 31J
"Classification of hazardous areas and installation requirements" of IEC/TC 31 "Equipment for
explosive atmospheres" was submitted to the IEC-CENELEC parallel vote and approved by
CENELEC as EN IEC 60079-14:2024.
The following dates are fixed:
• latest date by which the document has to be implemented at national (dop) 2025-07-04
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) 2027-10-04
document have to be withdrawn
This document supersedes EN 60079-14:2014 and all of its amendments and corrigenda (if any).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights.
Any feedback and questions on this document should be directed to the users’ national committee. A
complete listing of these bodies can be found on the CENELEC website.
Endorsement notice
The text of the International Standard IEC 60079-14:2024 was approved by CENELEC as a European
Standard without any modification.
In the official version, for Bibliography, the following notes have to be added for the standard indicated:
IEC 60034-1 NOTE Approved as EN 60034-1
IEC 60034-5 NOTE Approved as EN IEC 60034-5
IEC 60064 NOTE Approved as EN 60064
IEC 60079 (series) NOTE Approved as EN IEC 60079 (series)
IEC 60079-1 NOTE Approved as EN 60079-1
IEC 60079-2 NOTE Approved as EN 60079-2
IEC 60079-5 NOTE Approved as EN 60079-5
IEC 60079-6 NOTE Approved as EN 60079-6
IEC 60079-10-1 NOTE Approved as EN IEC 60079-10-1
IEC 60079-10-2 NOTE Approved as EN 60079-10-2
IEC 60079-13 NOTE Approved as EN 60079-13
IEC 60079-14 NOTE Approved as EN 60079-14
IEC 60079-18 NOTE Approved as EN 60079-18
IEC 60079-26 NOTE Approved as EN IEC 60079-26
IEC 60079-29-2 NOTE Approved as EN 60079-29-2
IEC 60079-29-3 NOTE Approved as EN 60079-29-3
IEC 60079-31 NOTE Approved as EN 60079-31
IEC 60079-33 NOTE Approved as CLC/TR 60079-33
IEC 60081 NOTE Approved as EN 60081
IEC 60192 NOTE Approved as EN 60192
IEC 60195 NOTE Approved as EN 60195
IEC 60204 (series) NOTE Approved as EN 60204 (series)
IEC 60332-1-2 NOTE Approved as EN 60332-1-2
IEC 60332-3 (series) NOTE Approved as EN IEC 60332-3 (series)
IEC 60332-3-22 NOTE Approved as EN IEC 60332-3-22
IEC 60364 (series) NOTE Approved as HD 60364 (series)
IEC 60364-5-51 NOTE Approved as HD 60364-5-51
IEC 60432-1 NOTE Approved as EN 60432-1
IEC 60432-2 NOTE Approved as EN 60432-2
IEC 60079-14:2024 NOTE Approved as EN IEC 60079-14:2024 (not modified)
IEC 60529 NOTE Approved as EN 60529
IEC 60626-1 NOTE Approved as EN IEC 60626-1
IEC 60654-4 NOTE Approved as EN 60654-4
IEC 60664-1 NOTE Approved as EN IEC 60664-1
IEC 60721-3 (series) NOTE Approved as EN IEC 60721-3 (series)
IEC 60950 (series) NOTE Approved as EN 60950 (series)
IEC 61008-1 NOTE Approved as EN 61008-1
IEC 61010-1 NOTE Approved as EN 61010-1
IEC 61439-1 NOTE Approved as EN IEC 61439-1
IEC 61558-2-6 NOTE Approved as EN 61558-2-6
IEC 61285 NOTE Approved as EN 61285
IEC 61914 NOTE Approved as EN IEC 61914
IEC 61936 (series) NOTE Approved as EN IEC 61936 (series)
IEC 62035 NOTE Approved as EN 62035
IEC 62485-2 NOTE Approved as EN IEC 62485-2
IEC/IEEE 60079-30-1 NOTE Approved as EN 60079-30-1
IEC/IEEE 60079-30-2 NOTE Approved as EN 60079-30-2
ISO/IEC 80079-20-2 NOTE Approved as EN ISO/IEC 80079-20-2
ISO 4892-1 NOTE Approved as EN ISO 4892-1
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications
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.
NOTE 1 Where an International Publication has been modified by common modifications, indicated by (mod), the
relevant EN/HD applies.
NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is available
here: www.cencenelec.eu.
Publication Year Title EN/HD Year
IEC 60060-1 - High-voltage test techniques - Part 1: EN 60060-1 -
General definitions and test
requirements
IEC 60079-0 - Explosive atmospheres - Part 0: EN IEC 60079-0 -
Equipment - General requirements
IEC 60079-1 - Explosive atmospheres - Part 1: EN 60079-1 -
Equipment protection by flameproof
enclosures "d"
IEC 60079-7 - Explosive atmospheres - Part 7: EN 60079-7 -
Equipment protection by increased
safety "e"
IEC 60079-11 - Explosive atmospheres - Part 11: EN 60079-11 -
Equipment protection by intrinsic safety
"i"
IEC 60079-15 - Explosive atmospheres - Part 15: EN IEC 60079-15 -
Equipment protection by type of
protection "n"
IEC 60079-17 - Explosive atmospheres - Part 17: EN IEC 60079-17 -
Electrical installations inspection and
maintenance
IEC 60079-19 - Explosive atmospheres - Part 19: EN IEC 60079-19 -
Equipment repair, overhaul and
reclamation
IEC 60079-25 - Explosive atmospheres - Part 25: EN IEC 60079-25 -
Intrinsically safe electrical systems
IEC 60079-28 - Explosive atmospheres - Part 28: EN 60079-28 -
Protection of equipment and
transmission systems using optical
radiation
IEC 60079-29-1 - Explosive atmospheres - Part 29-1: Gas EN 60079-29-1 -
detectors - Performance requirements of
detectors for flammable gases
IEC 60079-29-4 - Explosive atmospheres - Part 29-4: Gas EN 60079-29-4 -
detectors - Performance requirements of
open path detectors for flammable
gases
IEC 60228 - Conductors of insulated cables EN IEC 60228 -
IEC 60245-4 - Rubber insulated cables - Rated - -
voltages up to and including 450/750 V -
Part 4: Cords and flexible cables
IEC 60364-4-41 - Low-voltage electrical installations - Part HD 60364-4-41 -
4-41: Protection for safety - Protection
against electric shock
IEC 61557-8 - Electrical safety in low voltage EN 61557-8 -
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 62262 - Degrees of protection provided by EN 62262 -
enclosures for electrical equipment
against external mechanical impacts (IK
code)
IEC 62305-3 - Protection against lightning - Part 3: EN 62305-3 -
Physical damage to structures and life
hazard
IEC/TS 60079-32-1 - Explosive atmospheres - Part 32-1: CLC/TR 60079-32-1 -
Electrostatic hazards, guidance
IEC/TS 60079-47 - Explosive atmospheres - Part 47: CLC IEC/TS 60079-47 -
Equipment protection by 2-wire
intrinsically safe ethernet concept (2-
WISE)
IEC 60079-14 ®
Edition 6.0 2024-08
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Explosive atmospheres –
Part 14: Electrical installation design, selection and installation of equipment,
including initial inspection
Atmosphères explosives –
Partie 14: Conception des installations électriques, sélection et installation des
appareils, comprenant l’inspection initiale
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 29.260.20 ISBN 978-2-8322-9300-3
– 2 – IEC 60079-14:2024 © IEC 2024
CONTENTS
FOREWORD . 10
INTRODUCTION . 16
1 Scope . 19
2 Normative references . 20
3 Terms and definitions . 21
3.1 General . 21
3.2 Hazardous areas . 22
3.3 Flameproof enclosure . 24
3.4 Increased safety . 24
3.5 Intrinsic safety . 25
3.6 Intrinsic safety parameters . 26
3.7 Pressurization . 26
3.8 Type of Protection "n" . 26
3.9 Type of Protection "o" . 27
3.10 Type of Protection "q" . 27
3.11 Type of Protection "m" . 27
3.12 Type of Protection "t" . 27
3.13 Electrical supply systems . 27
3.14 Equipment . 28
3.16 Cable(s) . 28
4 General . 30
4.1 General requirements . 30
4.1.1 Zones and Equipment Protection Levels . 30
4.1.2 Requirements for all Ex Equipment .
...
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