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Old 10-22-2009, 05:14 AM   #1
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GFCI Tester


This is my design for a GFCI Tester to check the current leakage margin to help analyze nuisance trips.

The box is a Carlon Handy Box
http://www.carlon.com/Brochures/2B1-Handy-Low.pdf


S1 is a C&K miniature Toggle model E107 which is center OFF and momentary in the spring loaded up or down position.

DS1 is a green neon which pulls 1.3 mA. Any color neon can be used but there is variance among colors and models. I tuned my Neon circuit with a bleeder resistor to pull a measured 2.01mA @ 119.5V.

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Attached Thumbnails
GFCI Tester-gfci-b0b-test2.jpg   GFCI Tester-gfci-b0b-test1.jpg   GFCI Tester-gfci-test-ckt1.jpg   GFCI Tester-gfci-test-table1a-jpg.jpg  
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Last edited by PaliBob; 10-26-2009 at 02:41 PM. Reason: rev Test Table Conditions for clarity
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