---
product_id: 50098117
title: "TG20 Wire Tracer and Tone Generator, Black"
brand: "extech"
price: "$2229"
currency: MXN
in_stock: true
url: https://www.desertcart.mx/products/50098117-tg20-wire-tracer-and-tone-generator-black
store_origin: MX
region: Mexico
---

# Adjustable sensitivity for precise wire tracing 22.1 cm compact size 9V battery powered for portability TG20 Wire Tracer and Tone Generator, Black

**Brand:** extech
**Price:** $2229
**Availability:** ✅ In Stock

## Summary

> 🎯 Trace with confidence, work with precision!

## Quick Answers

- **What is this?** TG20 Wire Tracer and Tone Generator, Black by extech
- **How much does it cost?** $2229 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.mx](https://www.desertcart.mx/products/50098117-tg20-wire-tracer-and-tone-generator-black)

## Best For

- extech enthusiasts

## Why This Product

- Trusted extech brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Pinpoint Accuracy:** Adjust sensitivity to eliminate false detections and identify wire pairs flawlessly
- • **Ready Out of the Box:** Includes batteries so you can start tracing wires immediately
- • **Comprehensive Testing:** Check continuity and telephone line polarity with one sleek device
- • **Lightweight & Portable:** Weighs just 100g, perfect for on-the-go professionals
- • **Plug & Play Convenience:** RJ11 modular connector for instant telephone line testing without extra adapters

## Overview

The Extech TG20 Wire Tracer and Tone Generator is a compact, battery-powered tool designed for professional wire identification and testing. Featuring adjustable sensitivity, an RJ11 phone connector, and lightweight design, it enables accurate tracing of wire pairs, continuity checks, and telephone line polarity testing—ideal for efficient troubleshooting and installation.

## Description

Extech TG20 Wire Tracer and Tone Generator, Black

## Features

- Identify wire pairs, check continuity & test telephone line polarity
- Transmitter with output cables terminated in modular RJ11 phone connector
- Adjustable sensitivity control improves wire identification and eliminates false detection
- Easily trace wires from source to termination

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Extech |
| Part number | TG20 |
| Item Weight | 100 g |
| Product Dimensions | 22.1 x 5.08 x 3.3 cm; 100 g |
| Batteries | 2 Product Specific batteries required. (included) |
| Item model number | TG20 |
| Colour | Black |
| Style | Modern |
| Pattern | Single |
| Power source type | Battery Powered |
| Voltage | 9 Volts |
| Item Package Quantity | 1 |
| Number of Pieces | 1 |
| Batteries included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Alkaline |

## Product Details

- **Brand:** Extech
- **Power source:** Battery Powered
- **Style:** Modern
- **Colour:** Black
- **Item weight:** 0.1 Kilograms

## Images

![TG20 Wire Tracer and Tone Generator, Black - Image 1](https://m.media-amazon.com/images/I/81qu6hYzoSL.jpg)

## Questions & Answers

**Q: What is the maximum distance this will work from the cable?**
A: I would avoid this product. One of the worst I've come across as my profession as a systems engineer.

**Q: Does it work for electrical wiring (220v), having the mains off obviously?**
A: It works on any cable the voltage does not count

## Frequently Bought Together

- Extech TG20 Wire Tracer and Tone Generator, Black
- Extech CT20 Remote and Local Continuity Tester

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**Shop now:** [https://www.desertcart.mx/products/50098117-tg20-wire-tracer-and-tone-generator-black](https://www.desertcart.mx/products/50098117-tg20-wire-tracer-and-tone-generator-black)

---

*Product available on Desertcart Mexico*
*Store origin: MX*
*Last updated: 2026-01-27*