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Digital Phone Line Tester
Don't plug in your modem until you've tested for overcurrent (digital systems, contact with high-voltage wiring, and other phone line conditions such as reversed polarity or lack of signal) with Voltage Valet's new Digital Phone Line Tester. It's light (1 oz) and compact (7" long) and very valuable. Be sure to pack a Polarity Reverser in case the Digital Phone Line Tester diagnoses reversed polarity!
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Travel Supplies: Digital Phone Line Tester