Ground monitor accessory connection
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United States of America Patent
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-
Sep 1, 2015
Grant Date -
Jun 26, 2014
app pub date -
May 31, 2013
filing date -
Dec 20, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
An apparatus includes an accessory module for a ground monitor that monitors current in a pilot conductor and/or a grounding conductor, which is in a power cable assembly connecting a power source and load. The pilot conductor injects a signal in the grounding conductor. The accessory module includes signal connectors that include multiple connection points. Each connection point provides access to a signal within the ground monitor. The connection points access signals for an output of a circuit monitoring current in the pilot conductor or ground return, a circuit responding to a peak current in the pilot conductor or ground return transitioning below a threshold, a circuit responding to an average current in the grounding conductor transitioning below a threshold, and/or a circuit indicating trip status of a contact in the power source. The connection point signals are in addition to signals from the ground monitor to the power source.
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