Notes on the introduction of Zone classification in the
1998 Canadian Electrical Code

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Table of equipment certification requirements

For equipment to be suitable for use in Canada in one of the following hazardous areas (classified by Division), it must be CSA certified as follows:

Division 1 
Division 2 
Class I*  or Class I Div. 1 
or Intrinsically safe i or ia
Class I*  or Class I Div. 1 or Class I Div. 2 
or d, e, i, ia, ib, m, n, o, p, q or “other”
See Annex J18 and Annex JB18 - NOTES TO RULES

 For equipment to be suitable for use in Canada in one of the following hazardous areas (classified by Zones), it must be CSA certified as follows:

Zone 0
Zone 1
Zone 2
Intrinsically
safe, i, ia
Class I**  or Class I Div. 1
or d, e, i, ia, ib, m, o, p,or q
Class I** or Class I Div. 1 or Class I Div. 2 
or d, e, i, ia, ib, m, n, o, p, q or “other”
 See CEC Section 18 and Appendix B - NOTES ON RULES

See also Canadian Electrical Code C22.1 1998 Appendix J1.2

*  Annex JB 18-052
** Appendix B - NOTES ON RULES 18-052, 18-100, 18-150

In the above tables, the letters d, e, i, ia, ib, m, n, o, p, and q refer to the method of protection provided by the equipment.  This is indicated by marks such as Ex em for equipment with both method of protection e and m.  Certification of such equipment makes reference to the CAN/CSA IEC-79 series of standards.

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Updated Jan. 18, 2001