Troubleshooting & Training

This easy-to-use plug-in device automatically calculates energy usage and costs to show you which appliances are costing you the most and to help you save money. More info...

Part # 1139

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Sale $24.99 $26.99

241 customer ratings 241 Customers rated this product 4.5 Stars

Screw in-line with coax cable and reduce signal strength by rated amount. Try different combinations until you get the best picture quality. Use to balance signal strength from different sources. More info...

Part # 7803

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Sale $1.59 $1.99

48 customer ratings 48 Customers rated this product 4.5 Stars

Screw in-line with coax cable and reduce signal strength by rated amount. Try different combinations until you get the best picture quality. Use to balance signal strength from different sources. More info...

Part # 7802

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Sale $1.59 $1.99

38 customer ratings 38 Customers rated this product 5 Stars

Screw in-line with coax cable and reduce signal strength by rated amount. Try different combinations until you get the best picture quality. Use to balance signal strength from different sources. More info...

Part # 7804

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Sale $1.59 $1.99

2 customer ratings 2 Customers rated this product 5 Stars

This temperature-controlled soldering station consists of an electrical power supply and a soldering iron, and is most commonly used for soldering electronic components and PCBs. More info...

Part # 76399

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Sale $16.19 $25.90

This voltage detector indicates the presence of AC voltage from 50 to 600 volts. More info...

Part # 90503

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Sale $11.56 $16.99

18 customer ratings 18 Customers rated this product 4.5 Stars

Screw in-line with coax cable and reduce signal strength by rated amount. Try different combinations until you get the best picture quality. Use to balance signal strength from different sources. More info...

Part # 7801

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Sale $1.59 $1.99

40 customer ratings 40 Customers rated this product 4.5 Stars

The GWC Technology USB 2.0 Active Repeater Cable can easily extend your USB 2.0 cable to 12 meters; you can even cascade these repeater cables for a maximum length of 36 meters. More info...

Part # 97401

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Sale $15.00 $19.99

2 customer ratings 2 Customers rated this product 5 Stars

Install in-line with coax cable and reduce signal strength by rated amount. Try different combinations until you get the best picture quality. Use to balance signal strength from different sources. More info...

Part # 7800

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Sale $6.99 $15.92

110 customer ratings 110 Customers rated this product 5 Stars

The Velleman BATTEST2 Battery Tester is a perfect way to test batteries of many different sizes and capacities for all your battery-operated devices. More info...

Part # 76536

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Sale $9.96 $15.90

6 customer ratings 6 Customers rated this product 4.5 Stars

Safe for use with 18- to 12-gauge solid wire or 16- to 12-gauge stranded wire, these 50 wire connectors will hold wires securely so they can't pull out accidentally. More info...

Part # 7879P

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Sale $9.96 $10.99

9 customer ratings 9 Customers rated this product 5 Stars

The AVB Cable AC Volt Sensor is a hand held device for determining the presence or absence of 50 to 1000 volts AC in insulated wires, wall receptacles, fuses, junction boxes, switches, and other voltage carrying electrical systems. More info...

Part # 44086

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Sale $15.93 $27.97