Table of Contents

1 Scope
2 Normative references
3 Terms and definitions
4 Level of protection (equipment
   protection level, EPL)
5 Flameproof joints
6 Sealed joints
7 Operating rods
8 Supplementary requirements for shafts and bearings
9 Light-transmitting parts
10 Breathing and draining devices which form part
   of a flameproof enclosure
11 Fasteners and openings
12 Materials
13 Entries for flameproof enclosures
14 Verification and tests
15 Type tests
16 Routine tests
17 Switchgear for Group I
18 Lampholders and Iamp caps
19 Non-metallic enclosures and non-metallic
   parts of enclosures
20 Marking
21 Instructions
Annex A (normative) - Additional requirements for crimped
        ribbon elements and multiple screen elements of breathing
        and draining devices
Annex B (normative) - Additional requirements for elements,
        with non-measurable paths of breathing and draining devices
Annex C (normative) - Additional requirements for flameproof entry
        devices
Annex D (normative) - Empty flameproof enclosures as Ex components
Annex E (normative) - Cells and batteries used in flameproof 'd'
        enclosures
Annex F (informative) - Mechanical properties for screws and nuts
Annex G (normative) - Additional requirements for flameproof
        enclosures
        with an internal source of release (containment system)
Annex H (normative) - Requirements for machines with flameproof 'd'
        enclosures fed from converters
Bibliography
Annex ZA (normative) - Normative references to international
         publications with their corresponding European
         publications
Annex ZY (informative) - Significant changes between this European
         Standard and EN 60079-1:2007
Annex ZZ (informative) - Coverage of Essential Requirements of
         EC Directives

Abstract

Defines requirements for the construction and testing of electrical equipment with the type of protection flameproof enclosure 'd', intended for use in explosive gas atmospheres.

Scope

This part of IEC 60079 contains specific requirements for the construction and testing ofelectrical equipment with the type of protection flameproof enclosure “d”, intended for use inexplosive gas atmospheres.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	British Standards Institution
ProductNote	THIS STANDARD ALSO REFERS TO IEC 60061, BS EN IEC 60079-7:2015+A1:2018, BS EN 60127-5:2017, BS EN IEC 60127-8:2018,IEC 61508
Pages
ISBN
Committee	EXL/31
Supersedes	BS EN 60079-1 : 2007 02/207221 DC : DRAFT JULY 2002 11/30247086 DC : 0 BS EN 50018 : 2000