Used in conjunction with any tone generator, tone probe amplifiers permit wire and cable identification without having to make direct metallic contact with the conductor. All models feature a powerful speaker for noisy environments, recessed on/off button control and high gain for accurate wire identification in congested cable bundles and equipment rooms. The 200B-G also … <a href="https://wptempo.graphetal.com/products/tone-probe-200ep-g-w-holster/">Continued</a>