C22.2 NO. 30-M1984
Explosion-Proof Enclosures for Use in Class I Hazardous Locations
Product Details
Preface
This is the second edition of No. 30 of a series of Standards issued by Canadian Standards Association under Part II of the Canadian Electrical Code. It supersedes the first edition published in 1970.
It has been converted to metric units and incorporates the following CSA Electrical Bulletins:
1196 - November 1, 1978 - Requirements for Explosion-Proof Enclosures for Use in Class 1 Hazardous locations
1273 - July 2, 1980 - Requirements for Grounding and Bonding of Enclosures for Use in Class I and Class II, Groups E, F and G Hazardous Locations
1273A - February 8, 1983 - Extension of the Effective Date for the Grounding Terminations for Industrial Control Equipment in Class I and Il Hazardous Location Enclosures
1321 - May 15, 1981 - Joint Widths and Gaps for Enclosures for Class I, Group B Hazardous Locations
1351 - January 6, 1982 - Permanency of Marking of Enclosures for Class I, Division 1, Hazardous Locations
1390 - January 11, 1983 - Requirements for Gas Tight Joints and Stepped Joints in Explosion—Proof Enclosures
1406 - July 25, 1983 - Explosion and Flameproof Testing of Enclosures for Class I Hazardous Locations
This edition includes requirements for enclosures for use in gaseous mines as well as increased requirements for the impact and routine overpressure tests.
For general information on the Standards of the Canadian Electrical Code, Part H, see the Preface of CSA Standard 022.2 No. 0, General Requirements—Canadian Electrical Code, Part II.
This Standard was prepared under the jurisdiction of the Standards Steering Committee on CE Code, Part II, and was formally approved by the Technical Committee on Industrial Products.
Scope
1.1
This Standard covers the details of construction and test for explosion-proof enclosures for electrical equipment to be used in Class 1, Division 1, Groups A,B, C, and D hazardous locations and gaseous mines in accordance with the Rules of the Canadian Electrical Code, Parts I and V.
1.2
Other Standards for hazardous location. Equipment covering specific types of equipment shall take precedence over this Standard.
1.3
Unless otherwise marked, this Standard applies to enclosures intended for use in ambient temperatures of
(a) —50 to +40°C for Class |, Groups A, B, C, andD; and
(b) 0 to +40°C for gaseous mines.
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