TEC cables manufactured by ESP Cable Solutions Co., Limited are used in the oil & gas industry. It uses welded tubing(316L, Allloy825 or others) to protector electrical and optical components from the pressure and corrosive effects of the downhole enviroments. Customers can choose bare or tro-pp encapsulated TEC, so that they can handle the extreme environment, extreme temperature and extreme pressure in the downhole. --Â 18AWGÂ 4mm Tubing Encapsulated Cable (TEC Cable) Product Name: 18AWG, 200 Degree Celsius 4mm Tubing Encapsulated Cable Conductor: 18AWG, Tinned Stranded Copper Conductor Insulation: FEP Insulation Jacket: FEP Jacket Tubing: 4mm X 0.76m 316L SS Capillary tubing Temperature Rating: 200 Degree Celsius Recommend Packing: 5000m/spool or 20000FT/spool