(1) Pressure equipment/vessel - first criteria nominal/working pressure above 0.5 bar then need to be checked with design data (depends on diameter/volume and media). "PED PART LIST" according to DTS03.00.93 lists all items with appropriate category.(2) equipment with its own ignition source and located in Ex atmosphere, otherwise N/A(3) if located in safe area and with nominal voltage range 50-1000V ac or 75-1500 V dc (in case of cables required only if cables are submitted loose)(4) if part of a safety loop(5) RoHS II - ENG-T&M-012: Guideline for Oil & Gas Product vs Directive 2011/65/EU RoHS II