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Last Updated on:  03/22/2010 03:34:01 AM

AC Current Indicator Light Circuit
designed by David Johnson, P.E.
This circuit could be wired into a 120vac power line, which feeds power to any load, ranging from 40 watts to 250 watts.  It will turn on a LED light whenever current is being drawn by a load.  It is especially useful for remote lights, where you may not be able to see if the lamps are receiving power.
 

Click on Schematic below to view PDF version of this Circuit

Circuit Lamp Current Indicator Circuit designed by David Johnson, P.E. (Oct 22, 2005)
 
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