Resettable circuit interrupting devices, such as GFCI devices, that include reverse wiring protection, and optionally an independent trip portions and/or a reset lockout portion are provided. The reverse wiring protection operates at both the line and load sides of the device so that in the event line...http://www.google.ca/patents/US20050063110?utm_source=gb-gplus-sharePatent US20050063110 - Circuit interrupting device with reverse wiring protection
