... ,16gauge,18gauge 2)Soild /Flexible copper 3)fire retardant PVC jacket 4)Certific:ISO,Rohs Fire alarm cable description : Conductors:Bare CopperConstruction:CabledJacket ... VTemperature Rating:60°CApplications:Power limited fire alarm and communications cable for riser or non-riser applications. Fire Alarm, Smoke Detectors, Signaling, Fire Protective Circuits. Fire alarm cable