This contrasts with a cathode, an electrode through which conventional current leaves an electrical device. Interconnection of electrical device nearly always require correct polarity to be maintained. She has the power to destroy any electrical device that she touches. A cathode is the electrode from which a conventional current leaves a polarized electrical device. However, Mark found Kham and helped him remove the electrical device off his back. A motor is a mechanical or electrical device that creates motion. For example, a working concept of an electrical device may be constructed using a breadboard. Difficulty arises when moving an electrical device between countries that use different sockets. DBS involves implanting an electrical device, or neurostimulator, into the brain. Using an electrical device inside an oxygen tent also could be hazardous. I held the electrical device which would detonate all the charges simultaneously. The surger is a plate-like electrical device meant for the home. An electric heater is an electrical device that converts an electric current into heat. An antifuse is an electrical device that performs the opposite function to a fuse. A power supply is an electrical device that supplies electric power to an electrical load.