The global progress towards one standard, one product, one mark for explosion protected apparatus-the IECEx Scheme

This paper is an update to the 1999 IEEE Petroleum and Chemical Industry Committee paper titled "The Impact of the IECEx Scheme on the Global Availability of Explosion-Protected Apparatus" and further addresses the advantages and possible concerns regarding the IECEx Scheme from the perspective of six international hazardous locations (HazLoc) testing and certification organizations from Brazil, Canada, France, Germany, Ukraine, and the US.