+1 vote
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1 Answer

+2 votes
answered Jul 10, 2014 by josvanden (3,240 points) | selected Jul 10, 2014 by Normandy
 
Best answer
Electrical equipment specified for use in the EU shall be in accordance with EN 60079 and documented by an approved ATEX certification body (ExNBG).

Electrical equipment is to be used outside of the EU (where ATEX is not the mandatory standard), the equipment shall be in accordance with IEC 60079 and documented by an approved IECEx certification body (ExCB).

If the field is located outside of EU, you can use either ATEX or IECEx certification for electrical equipment located in hazardous locations, for ease of equipment selection.
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