Self-test auto monitor ground fault circuit interrupter (GFCI) with power denial
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United States of America Patent
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Aug 27, 2024
Grant Date -
Dec 21, 2023
app pub date -
Aug 16, 2023
filing date -
Mar 15, 2013
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Abstract
A method of operating an auto-monitoring circuit of a circuit interrupting device. The method including monitoring one or more signals to determine an operating state of said circuit interrupting device; outputting a first signal having a first voltage level based on the operating state, wherein the first voltage level is greater than zero volts; and outputting, after outputting the first signal, a second signal having a second voltage level based on the operating state, wherein the second voltage level is greater than the first voltage level.
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