Duchamp said that he turned to the ready-made for no other reason than to “discharge” ideas. In other words, successful art objects are sinks that become sources. This gives a certain socio-electrical significance to the idea of a “Fountain.”
Murphy, Justin. 2012. "Duchamp on sinks and sources," http://jmrphy.net/blog/2012/11/11/388-duchamp-on-sinks-and-sources/ (June 20, 2017).