Ground fault circuit interrupters with miswiring or reverse wiring protection and end of life alarm signal
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United States of America Patent
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Dec 15, 2009
Grant Date -
Dec 14, 2006
app pub date -
Feb 27, 2006
filing date -
Feb 25, 2005
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
This invention provides protection against an electricity leak and prevents error in reverse wiring. Also, when the ground fault circuit interrupter has come to the end of its life and its functions fail, it can set off an alarm prompt signal, reminding the user to replace the interrupter in a prompt manner; when a certain part or accessory of the ground fault circuit interrupter fails, especially when the primary electromagnetic coil cannot work in a normal manner, the power output of the interrupter may be cut off through the secondary electromagnetic coil; or the test button may be pressed to mechanically cut off the power output of the interrupter. This invention has powerful applications, with good safe guard and is safe to use, thus effectively ensuring the personal safety of the user as well as the safety of the appliances.
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