Patent ID: 6734662
Filing Date: 2004-05-11
Classification: G01R,H02H

Abstract:
A fault indicator for indicating the occurrence of a fault in an electrical conductor, comprising:a housing; a battery; a fault sensor for sensing the occurrence of a fault on said electrical conductor; at least one light emitting diode operable from said battery and viewable from the exterior of the housing; a light sensor for sensing the ambient light level, and a microprocessor in communication with said fault sensor to determine when a fault has occurred on said electrical conductor, in communication with said light sensor to determine the ambient light level, to enable the supply of power from said battery to said at least one light emitting diode upon determining that a fault has occurred, to cease enabling power from said battery to said at least one light emitting diode at a predetermined time after determining that a fault occurred and to reset said fault indicator around said predetermined time; said microprocessor responding to a lower ambient light level by reducing the power supplied to said at least one light emitting diode during lower ambient light levels, thereby conserving battery power.