SoCo Pendant By Tech Lighting The SoCo system of Sockets & Cords delivers choice, flexibility and the power of custom design. The SoCo sockets accommodates any 120 volt, medium base lamp up to 150 watts (not included). We have made it easy to create your own look. Mix, match and cluster to create a truly unique light sculpture or just install a few at a time to put light exactly where you need it.