TT-46 Advanced Wiretap Detector The TT-46 is the only test set that lets you quickly and easily check both single and two line phone systems for series and parallel taps. This advanced unit tests every possible combination of wires in a four wire cable. This lets you detect some of the more sophisticated taps that use split pairs. While not much can be done about down-line taps, the TT-46...TT-46 Advanced Wiretap Detector The TT-46 is the only test set that lets...
