The present invention is directed to an electrical wiring device that includes a plurality of line terminals and a plurality of load terminals. The plurality of line terminals are coupled to the plurality of load terminals in a reset state and decoupled therefrom in a tripped state. A wiring state detection...http://www.google.fr/patents/US7885045?utm_source=gb-gplus-shareBrevet US7885045 - Wiring device with multi-shot miswire
