For splicing or connecting wires together. Wires are inserted from either end and butt against the built-in wire stop. Has see through nylon “window” for inspection. Connection is crimped in two places; one crimp for each wire. Constructed of one burr-free EIP copper for highest conductivities, annealed to insure maximum installed strength with electro tin plated for maximum corrosion resistance. Each terminal clearly stamped for positive identification, color coded for wire range. Open end construction allows visual inspection of wire locations.