Circuit breaker locator
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United States of America Patent
Stats
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Dec 25, 2012
Grant Date -
Feb 10, 2011
app pub date -
Aug 7, 2009
filing date -
Aug 7, 2009
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An arrangement that includes a transmitter unit and a receiver for locating a wire or a circuit interrupter associated with a selected branch circuit of a power distribution system. The transmitter is electrically interconnected with the selected branch circuit and produces a sequence of current pulses in a branch circuit that is to be traced to locate an associated circuit interrupter. Each current pulse is of a predetermined duration, a predetermined rise time, and a predefined fall time, which in one embodiment is equal to the current pulse rise time. The receiver is a handheld unit that is positioned in close proximity with the various circuit interrupters of the power distribution system and provides an indication that the desired wire or circuit interrupter has been located upon detecting current pulses that are with a predefined pulse duration, pulse separation and amplitude.
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