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Tone Generator Testers
With RJ11 Plug
With RJ45 Plug
Generate an audible signal when testing for short circuits, line continuity, or when locating a cable. Use an amplifier (sold separately) to hear the signal. These tone generators have a light signal to verify polarity.
Telephone Testing Amplifiers
Use this amplifier with a tone generator or tester to identify a cable without making direct contact with the wire. The tone will get louder the closer you get to the correct cable.
Noise-Filtering Telephone Testing Amplifiers
Block out power-line hum when identifying a cable. Use this amplifier with a tone generator or tester to identify a cable without making direct contact with the wire. The tone will get louder the closer you get to the correct cable.