GENERAL
1 Scope
2 Normative references
3 Definitions
4 Apparatus grouping and temperature classification
SPECIFIC CONSTRUCTIONAL REQUIREMENTS
5 Flameproof joints
6 Cemented joints
7 Operating rods
8 Supplementary requirements for shaft and bearings
9 Light-transmitting parts
10 Breathing and draining devices which form part of a
flameproof enclosure
11 Fasteners, associated holes and closing devices
12 Materials and mechanical strength of enclosures;
materials inside the enclosures
13 Entries for flameproof enclosures
VERIFICATIONS AND TESTS
14 General
15 Type tests
16 Routine tests
OTHER REQUIREMENTS
17 Switchgear
18 Lampholders and lampcaps
19 Non-metallic enclosures and non-metallic parts of
enclosures
20 Pressure transducers using capillaries
ANNEX A (normative) Additional requirements for crimped
ribbon 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
cable entries
ANNEX D (normative) Additional requirements for Group I,
IIA and IIB for empty flameproof
enclosures to be certified as Ex
components and the utilization of such
Ex Component certificates to obtain
certificates