An electronic lock-out tag-out system comprising a transmitter lock and a portable receiver. One or more switches of the transmitter lock is connected to a utility box or the like and are actuated when the transmitter lock is moved or removed. When the switch is activated, an alarm is sounded in the transmitter lock and a signal is transmitted to the receiver to sound an alarm in the receiver.
RELATED APPLICATION DATA
This application is a continuation-in-part of U.S. Pat. No. 7,026,932, issued Apr. 11, 2006, Ser. No. 10/435,997, filed on May 12, 2003.
