Systems and Methods for Detecting Unsafe Thermal Conditions in Wiring Devices
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United States of America Patent
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Nov 24, 2009
filing date -
Sep 23, 2008
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Abandoned
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Abstract
Systems and methods that provide improved detection of series fault and other localized unsafe heating conditions are described. The systems and methods provide an increased range of response possibilities upon detection of such conditions. Multiple temperature sensors are located in close proximity with the location of potential over-heating events, and differential temperature sensing is used to detect over-heating events. Electronic sensors in accordance with implementations of the present invention detect overheating conditions at lower temperatures and more quickly because of the close proximity of the sensors to locations of potential overheating and because of the differential temperature sensing, thereby improving the safety of electrical wiring devices and fixtures.
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