3M™ Scotchlok™ Butt Connector Heatshrink MH14BCX secures and connects the pre-stripped end of two stranded copper wires and cables. It has a built-in wire stop for correct positioning. The connector acts as a strong adhesive that glues wires (16-14 AWG only) into the correct positioning. It is insulated with adhesive-lined polyolefin and tin-plated with annealed copper, offering a voltage rating of 600 volts for building wire, 1000 volts for signs and fixtures (luminaires). For a safe, fast and easy way to connect wires, choose 3M™ Scotchlok™ Butt Connector Heatshrink MH14BCX.