Thursday, October 21, 2010

Circuit Tester

At the time, this was one of my favorite pieces of equipment.  I actually constructed this circuit tester in the 90's, probably cost me $10 in materials.  What made this unique was that it will distinguish a + or - circuit.  When most test lights will just turn on the built in bulb.  As far as I can remember I don't think there was anything equivalent.  Now a days the power probe has taken over all electrical duties and this sits in the tool box.
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