CSA C22.2 No. 60079-2 : 2016

FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Protection levels
5 Constructional requirements for pressurized enclosures
6 Temperature limits
7 Safety provisions and safety devices (except for static
   pressurization)
8 Safety provisions and safety devices for static
   pressurization
9 Supply of protective gas
10 Pressurized equipment with an internal source of release
11 Release conditions
12 Design requirements for the containment system
13 Protective gas and pressurizing techniques when there is
   an internal source of release
14 Ignition-capable equipment
15 Internal hot surfaces
16 Type verification and tests
17 Routine tests
18 Marking
19 Instructions
Annex A (normative) - Purging and dilution tests
Annex B (informative) - Examples of functional sequence
        diagram
Annex C (informative) - Examples of the changes in
        pressure in ducts and enclosures
Annex D (informative) - Information to be provided to
        the user
Annex E (normative) - Classification of the type of release
        within enclosures
Annex F (informative) - Examples for the use of the
        dilution area concept
Annex G (normative) - Internal Cells and Batteries for
        Level of Protection 'pxb' and Level of
        Protection 'pyb'
Annex H (normative) - Internal Cells and Batteries for
        Level of Protection 'pzc'
Bibliography

Includes the specific requirements for the construction and testing of electrical equipment with pressurized enclosures, of type of protection 'p', intended for use in explosive gas atmospheres or explosive dust atmospheres.