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. -- 16AWG 1/4" TEC Cable with 11mm Square Encapsulated Product Name: 16AWG Conductor, 316L SS Tubing Encapsulated Cable(TEC Cable) Conductor: 16AWG Solid Bare Copper Conductor Insulation: FEP Insulation Jacket: PP Jacket Tubing: 6.35mm X 0.71mm 316L SS Capillary tubing Encapsulation: 11mm X 11mm Square PP Encapsulation Recommend Packing: 15000FT/Spool or 5000m/spool