A device for detecting wear of a wear plate, the device comprising: a first dielectric layer ; a first conductor embedded in the first dielectric layer to a first wear depth , the first wear depth associated with a first threshold wear level; a second dielectric layer overlying the first dielectric layer to a second wear depth , the second wear depth associated with a second threshold wear level greater than the first threshold wear level; a second conductor embedded in the second dielectric layer and separate from the first conductor ; an indicator for indicating whether the wear plate is the first threshold wear level or the second threshold wear level, characterized in that the indicator comprises: a first resistive voltage divider coupled to one end of the first conductor ; a first indicator ; a first amplifier having an input coupled to the divided voltage and an output coupled to the first indicator , wherein the first amplifier is configured to activate the first indicator to indicate that the wear plate is worn to the first threshold wear level if there is no continuity in the first conductor ; a second resistive voltage divider coupled to one end of the second conductor ; a second indicator ; and, a second amplifier having an input coupled to the divided voltage and an output coupled to the second indicator , wherein the second amplifier is configured to activate the second indicator to indicate that the wear plate is worn to the second threshold wear level if there is no continuity in the second conductor . a first dielectric layer ; a first conductor embedded in the first dielectric layer to a first wear depth , the first wear depth associated with a first threshold wear level; a second dielectric layer overlying the first dielectric layer to a second wear depth , the second wear depth associated with a second threshold wear level greater than the first threshold wear level; a second conductor embedded in the second dielectric layer and separate from the first conductor ; an indicator for indicating whether the wear plate is the first threshold wear level or the second threshold wear level, characterized in that the indicator comprises: a first resistive voltage divider coupled to one end of the first conductor ; a first indicator ; a first amplifier having an input coupled to the divided voltage and an output coupled to the first indicator , wherein the first amplifier is configured to activate the first indicator to indicate that the wear plate is worn to the first threshold wear level if there is no continuity in the first conductor ; a second resistive voltage divider coupled to one end of the second conductor ; a second indicator ; and, a second amplifier having an input coupled to the divided voltage and an output coupled to the second indicator , wherein the second amplifier is configured to activate the second indicator to indicate that the wear plate is worn to the second threshold wear level if there is no continuity in the second conductor . a first resistive voltage divider coupled to one end of the first conductor ; a first indicator ; a first amplifier having an input coupled to the divided voltage and an output coupled to the first indicator , wherein the first amplifier is configured to activate the first indicator to indicate that the wear plate is worn to the first threshold wear level if there is no continuity in the first conductor ; a second resistive voltage divider coupled to one end of the second conductor ; a second indicator ; and, a second amplifier having an input coupled to the divided voltage and an output coupled to the second indicator , wherein the second amplifier is configured to activate the second indicator to indicate that the wear plate is worn to the second threshold wear level if there is no continuity in the second conductor . <EOS>