9 Electric lines in the nature of power line transmission machines and apparatus, power line conditioners, electric cables, electric wires, electric switches, adapters for electric plugs, electrical devices in the nature of plugs for enabling connection and disconnection of power and electric control cables, electric cable adapters, cable wire harnesses for automobiles, cable plugs in the nature of plug connectors, electric plugs, electric cable connectors, electric cable shoes in the nature of cable connectors, electric cables and wires, electrical circuit boards, printed circuit boards, integrated circuit boards, test leads in the nature of electric wires, downloadable computer software for testing of electricity, testing and quality control devices for the testing of the function and effectiveness of smoke detectors, electric measuring cables, electric measuring sensors, measuring and testing devices, namely fluorometers, measuring tool instruments, test adapters for testing printed circuit boards, computer heat sinks, in particular made of aluminum