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Extech TG20 Wire Tracer/Tone Generator

  • Identify wire pairs, check continuity & test telephone line polarity
  • 20 degree C to 550 degree C ( 4 degree f to 1022 degree f) in two ranges
  • Adjustable sensitivity control improves wire identification and eliminates false detection
  • Easily trace wires from source to termination

Check phone lines for continuity with this Extech wire tracer kit, and ensure they are operating properly. This easy-to-use kit injects a traceable signal into cables and telephone lines to check for continuous signals. This Extech wire tracer kit features two 9-volt batteries so you’re never without a power source.


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