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CSA C22.2 NO 30

Explosion-proof equipment

active, Most Current
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Organization: CSA
Publication Date: 1 January 2020
Status: active
Page Count: 63
ICS Code (Housings, enclosures, other machine parts): 21.180
ICS Code (Electrical apparatus for explosive atmospheres): 29.260.20
scope:

This Standard applies to explosion-proof electrical equipment suitable for use in hazardous locations in accordance with CSA C22.1, Canadian Electrical Code, Part I and the requirements of CSA M421. It applies to explosion-proof enclosures, parts of enclosures and other related equipment constructed of metallic and non-metallic materials.

Other Standards for hazardous location equipment covering specific types of equipment take precedence over this Standard.

The standard atmospheric conditions (relating to the explosion characteristics of the atmosphere) under which it may be assumed that equipment can be operated are

a) temperature -50 °C to +60 °C;

b) pressure 80 kPa to 110 kPa; and

c) air with normal oxygen content, typically 21% by volume.

Note: Although the standard atmospheric conditions above give a temperature range for the atmosphere of -50 °C to +60 °C, the normal ambient temperature range for the equipment is -50 °C to +40 °C, unless otherwise specified and marked.

In this Standard, "shall" is used to express a requirement, i.e., a provision that the user is obliged to satisfy in order to comply with the standard; "should" is used to express a recommendation or that which is advised but not required; and "may" is used to express an option or that which is permissible within the limits of the Standard.

Notes accompanying clauses do not include requirements or alternative requirements; the purpose of a note accompanying a clause is to separate from the text explanatory or informative material.

Notes to tables and figures are considered part of the table or figure and may be written as requirements.

Annexes are designated normative (mandatory) or informative (nonmandatory) to define their application.

Document History

CSA C22.2 NO 30
January 1, 2020
Explosion-proof equipment
This Standard applies to explosion-proof electrical equipment suitable for use in hazardous locations in accordance with CSA C22.1, Canadian Electrical Code, Part I and the requirements of CSA M421....
January 1, 2020
Explosion-proof equipment
This Standard applies to explosion-proof electrical equipment suitable for use in hazardous locations in accordance with CSA C22.1, Canadian Electrical Code, Part I and the requirements of CSA M421....
November 1, 1986
Explosion-Proof Enclosures for Use in Class I Hazardous Locations Industrial Products
This Standard covers the details of construction and tests for explosion-proof enclosures for electrical equipment to be used in Class I, Division 1, Groups A, B, C, and D hazardous locations and in...
November 1, 1986
Explosion-proof enclosures for use in class I hazardous locations
This Standard covers the details of construction and tests for explosion-proof enclosures for electrical equipment to be used in Class I, Division 1, Groups A, B, C, and D hazardous locations and in...
November 1, 1986
Explosion-Proof Enclosures for Use in Class I Hazardous Locations Industrial Products
This Standard covers the details of construction and tests for explosion-proof enclosures for electrical equipment to be used in Class I, Division 1, Groups A, B, C, and D hazardous locations and in...
November 1, 1986
Explosion-Proof Enclosures for Use in Class I Hazardous Locations
This Standard covers the details of construction and tests for explosion-proof enclosures for electrical equipment to be used in Class I, Division 1, Groups A, B, C, and D hazardous locations and in...
November 1, 1986
Explosion-Proof Enclosures for Use in Class I Hazardous Locations Industrial Products
This Standard covers the details of construction and tests for explosion-proof enclosures for electrical equipment to be used in Class I, Division 1, Groups A, B, C, and D hazardous locations and in...
January 1, 1986
Explosion-proof enclosures for use in class I hazardous locations
This Standard covers the details of construction and tests for explosion-proof enclosures for electrical equipment to be used in Class I, Division 1, Groups A, B, C, and D hazardous locations and in...

References

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