CSA - C22.2 NO. 159-M1987
Attachment Plugs, Receptacles, and Similar Wiring Devices for Use in Hazardous Locations: Class I, Groups A, B, C, and D; Class II, Group G, in Coal or Coke Dust, and in Gaseous Mines
|Publication Date:||1 April 1987|
This Standard covers thefollowing devices intended for connection to copper conductors only and for installation and use in hazardous locations: Class I, Groups A, B, C, and D; Class II, Group G, in coal or coke dust, and in gaseous mines for installatiori and use in accordance with the Rules of Canadian Electrical Code, Part I and CSA Standard CAN3-M421:
(a) receptacles with attachment plugs;
(b) receptacles with attachment plugs interlocked with circuit breakers;
(c) receptacles with attachment plugs interlocked with switches;
(d) cable and cord connectors, couplers, and flanged equipment power inlets and flanged equipment power outlets with ratings as specified in Clause 1.2.
This Standard covers devices rated not more than 600 A or more than 600 V ac and 250 V dc. This Standard also covers equipment for gaseous mines rated not more than 1100 V ac.
This Standard does not coverastraight pull plug and
Note: In this Standard devices that are classified for Group G locations are acceptable for use in atmospheres containing coal or coke dust.