Universal test set for locating hidden cables and wires behind walls, floors, and underground, as well as for identifying a conductor in a cable bundle. Easily locate fuses, outlets, short circuits, or interruptions. The line tracer assists you in troubleshooting electrical systems, telecommunications, and computer networks. The set consists of a transmitter unit (T10K) and a receiver unit (R10K). The injected signal can be traced with the receiver.