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.
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
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