Cable Testers
A cable tester is an electronic device used to verify the electrical connections in a cable or other wired assembly. Generally a cable tester consists of: A source of electric current, A volt meter, A switching matrix used to connect the current source and the voltmeter to all of the contact points in a cable. In addition to these parts a cable tester may also have a micro controller and a display to automate the testing process and show the testing results.