double-throw switch

double-throw switch

[¦dəb·əl ‚thrō ′swich]
(electricity)
A switch that connects one set of two or more terminals to either of two other similar sets of terminals.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

double-throw switch

In electric wiring, a switch which can charge the circuit connections by moving the switch blade from one of two sets of contact clips into the other.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
There will be a double-throw switch for the school.
"Form B" indicates a single-throw, normally closed switch, and "Form C," or "CO" for change over, indicates a double-throw switch. Virtually any contact configuration can be described using this format.
Double-throw switches were added to prevent the device from being inadvertently turned on when the user is facing it GTl also specified proximity sensors that were built in so that if the wand was too far away from the target area, the unit wouldn't function.