Prysmian 20111212 is a BFOU(i) fire-resistant instrumentation cable with 4 twisted triads at 0.75 mm² and an overall diameter of 17.5 mm. The mud-resistant, halogen-free construction is rated for offshore and marine applications where circuit integrity must survive fire exposure. The cable is grey-sheathed and typically installed on fixed and mobile offshore units for signal, control, and low-voltage instrumentation circuits.