single-throw switch[′siŋ·gəl ¦thrō ′swich]
A switch in which the same pair of contacts is always opened or closed.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
A switch, in an electric circuit, which can be opened or closed by the operation of a single set of contacts.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.