Test instrument for arc fault circuit interrupters
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United States of America Patent
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Apr 5, 2005
Grant Date -
Oct 28, 2004
app pub date -
Apr 25, 2003
filing date -
Apr 25, 2003
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Abstract
An arc fault interrupter tester creates a simulated arc fault current through a full wave bridge rectifier, a load resistor and a switch connected in series. These components are rated at currents and wattage well below the current of the simulated arc fault. Thermal management in the form of a temperature sensor and control pulse timing and duration prevent damage to the low-rated components.
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