Copper Cable Shielded copper cable for hash environments, category 7 S/FTP, low smoke zero halogen (LSZH), 4-pair, conductors are 4 x 2/0.27mm2, 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 zero halogen (LSZH) (IEC 60332-3c) jacket, violet.