Find toner kits and probes for sending and receiving audible signals through copper-core cables and wires to test for faults and identify the location of cables in your voice, data, and audio-video installations.
Cable Toner Probes
Use these probes with a cable toner (sold separately) to identify audible signals that have been sent through copper-core cables or wires.
Cable Toner Kits
Kits contain everything you need to identify and map cables using audible signals.