... to install 3.great safety-silicon rubber jacke Electric heating wire,self-regulating heating wire1.through CE&ROHS2.easy to install3 ... conduction heating cable:1, materials: copper alloy,2, number of core: 13, screen: dual layers (copper coil shielding + aluminum foil shielding ... conduction heating cable:1,materials: copper alloy,2,number of core: 2,3,screen: single layer (copper coil shielding)4, ...