Main Page | See live article | Alphabetical index A contact is part of the active component of an electric switch. Contacts generally consist of metal buttons or wires that are plated with a good electrical conductor that is also corrosion-resistant, such as gold. This article is a stub. You can help Wikipedia by fixing it. See also contact (mathematics). Contact is also the title of a science fiction novel by Carl Sagan, and film adaptation. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.