The transmitter uses a tone generator (Figure 2a) to produce an 800-Hz tone that changes duty cycle (Figure 3). An amplifier boosts the signal to about 7.5 V, which excites the wire. The wire becomes ...

“The Platinum Tools ToneSeeker Tone Tracer is an ergonomic, high-sensitivity probe for field service professionals. Used in conjunction with any analog tone generator, the ToneSeeker identifies wire ...

Its built-in Tone Generator has four distinct tones that can be used to trace coax, RJ-45 and RJ-11 cables, plus any de-energized copper cable including speaker wires, alarm cables, and electrical ...