Apparatus for improved ground fault equipment protection
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United States of America Patent
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Nov 6, 2007
Grant Date -
May 11, 2006
app pub date -
Nov 9, 2004
filing date -
Nov 9, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
A ground fault interrupter, including a current difference sensor and a current generator electrically coupled to the current difference sensor. The current generator provides a predetermined difference current to the current difference sensor. At least one contactor is electrically coupled to the current difference sensor. A controller is electrically coupled to the current difference sensor, the current generator and at least one contactor. The controller operates at least one contactor.
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