Description: actual reliability of a component under real operating conditions; Name: operating reliability
Description: Actual reliability of an item considering operating modes, operating conditions and possible preventive maintenance actions carried out ; Name: Operational reliability
Description: norm/stipulation describing the explosion protection. The explosion protection type, the device category, the temperature class as well as the device / explosion group are taken from this norm. The type and number of the norm/stipulation with issue year and issue month must be given; Name: Reference norm of the explosion protection