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://www.tempocom.com/products/leather-case-for-100b-100c/">Continued</a>