The objective of the IECEx Scheme is to facilitate international trade in electrical equipment intended for use in explosive atmospheres (Ex equipment). The IECEx Scheme provides the means for manufacturers of Ex equipment to obtain certificates of conformity that will be accepted at national level in all participating countries.
IEC Scheme for Certification to Standards relating to Equipment for use in Explosive Atmospheres (IECEx Scheme) - Basic Rules
IEC Scheme for Certification to Standards for Electrical Equipment for Explosive Atmospheres (IECEx Scheme) - Rules of Procedure
IECEx Standards - The IECEx Scheme is based on the use of specific international IEC Standards for type of protection of Ex equipment.
The ExTR Database - This database provides an official listing of IECEx Ex Test Reports issued in accordance with the scheme rules, IECEx 02.
The IECEx Scheme - Description from the National Electrical Manufacturers Association.
Explosive Atmospheres - A useful bulletin from IECex.