GAST-E closed end connector splices are designed for the wire terminal protection of multiple-wire combinations, replacing the traditional crimping closed end method. The product is composed of a PVDF high abrasion resistance heat shrinkable tubing, a solder sleeve for soldering, a spiral copper coil for winding wires, high performance hot melt adhesive for water resistance, and the easy identification colored glass bead for encapsulation. It makes the assembly of wire terminals become very easy and reliable.