Electricity: electrical systems and devices – Safety and protection of systems and devices – Ground fault protection
Reexamination Certificate
2005-02-15
2005-02-15
Sircus, Brian (Department: 2836)
Electricity: electrical systems and devices
Safety and protection of systems and devices
Ground fault protection
C361S043000, C361S044000, C361S045000
Reexamination Certificate
active
06856498
ABSTRACT:
An AC power line protection device which includes a protection circuit which guards against miswiring also has an indicator lamp which lights when the device is in the tripped condition and turns off when the device is reset. If the device is miswired after having been wired properly, the indicator lamp does not light when the device is tripped, and so provides a supplemental indication of miswiring. The protection circuit is powered from the hot line bus bar. The indicator lamp is also powered via the hot line bus bar of the interrupting contacts to meet safety standards.
REFERENCES:
patent: 5418678 (1995-05-01), McDonald
patent: 6262871 (2001-07-01), Nemir et al.
Benenson Boris
Malley Daniel P.
Pass & Seymour, Inc.
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