Category 7 low smoke, halogen free, fire retardant (LSHF-FR), 4-pair S/FTP shielded marine copper cable. Stranded copper conductors are 4 x 2/0.27mm+2+. Conductors are twisted in pairs, each individual twisted pair is surrounded by a foil, covered with an overall braided shield and is protected by an oil and fuel resistant, low smoke, halogen free, and fire retardant jacket.