Does all electrical equipment for use in hazardous areas have to be submitted to a test house for certification?
No, electrical equipment in category 1, i.e. suitable for use in Zone 0,1 and 2 must be submitted to a test house (now known as a notified body) for EC Type Examination Certification. This also applies to category 2 equipment (i.e. suitable for use in Zone 1 and 2) . Equipment in category 3, i.e. […]