Two or more separate connector, plug, electrical; connector, receptacle, electrical; adapter, connector; jack, telephone; jack, tip; plug, telephone; plug, tip; dummy connector, plug; or dummy connector, receptacle designed to be mated together. The set may include connectors of different item name mated together, such as one connector, plug, electrical and one dummy connector, receptacle; or one dummy connector, plug and one connector, receptacle, electrical. Excludes connector assembly, electrical; dummy connector set, electrical; jack assembly, telephone; jack assembly, tip; and plug assembly, tip.