Multiple approvals for hazardous areas certified by Canadian Standards Association (CSA/NRTL/C) in North America and by Baseefa (2001) in Europe. Exia for Class 1 Division 1, Groups A, B, C, and D, when installed with intrinsically safe zener barriers per drawing CA22000 or when installed with galvanic isolators. ExnA IIC T5 for Class I, Division Groups A, B, C, and D when installed without barriers per drawing CA78000. ° ° EExia IIC T5 for Zones 0, 1 and 2, Group IIC, EC certificate number Baseefa03ATEX0381X, when installed with intrinsically safe zener barriers or when installed with galvanic isolators. EEx nL for Zone 2, Group IIC, EC certificate number Baseefa03ATEX0382X. ° ° ° ° ° ° ° °