Value: -20 points
Electrical is an exotic physical Disadvantage where the body contains unshielded electronics, or relies on electrical power for its vital energy. (B134) It can be applied as a Limitation to a Cybernetics implant. (B46)
As a Temporary Disadvantage as explained in https://web.archive.org/web/20180123014547/http://forums.sjgames.com/showthread.php?t=66065 it only applies to shutting down the disadvantage.
GURPS Power-Ups 8 p 18 has the "Shutdown" variant explaining this.