dave321 Posted July 13, 2021 Posted July 13, 2021 (edited) on a separate note why would a tester like :-http://www.wizard-devices.com/dsl.shtml cost $60 ???when its probably just got one resistor in it limiting the current to a safe level just found what looks like the patent for the wizard device, Patent No. 5650727 july22 1997 Edited July 13, 2021 by dave321
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