MINOR RISKS : category 1

Simple design equipment for minor risks whom effects have no consequence on the user safety or are easily reversible. Equipment from this category requires a self-certification by the manufacturer. An equipment from category 1 brings a basic comfort and it is compulsory to use an equipment from category 2 or 3 if the work presents the least danger.

MEDIUM RISKS : Category 2

Equipment for intermediary risks which requires tests in conformity with European standards and of a type check delivered by an authorised laboratory. 

HIGH RISKS : Category 3

Equipment for serious, irreversible or deadly risks which are submitted to the same tests than the equipment of category 2 completed by a compulsory production quality control : either by a quality guarantee system (samples taken at random by an authorised organism), or by a controlled quality assurance system (system controlled by an authorised organism).