On 10/30/07, Gerhard Fiedler wrote: > Xiaofan Chen wrote: > > > To harmonize the standards is really good idea. I think IEC CB and IEC EX > > scheme are good initiatives. And I think EU countries are actually > > leading all the harmonization efforts and that is good. The major > > problems are now countries like Brazil (Immetro). > > What do you see as a major problem with Brazil? > Immetro uses IEC EX standard. However they insist that companies need to get Immetro Marks and need to use a Brazil lab for testing. In EU, you can use any credited labs and used it in other part of the world. Australia used to be the problem but now Brazil is the biggest problem for EEx (explosion proof) product. Xiaofan Xiaofan -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist