Isolated Ground Panel Wiring Diagram. Web application guide for isolated ground wiring devices. The brown wire is connected to the. wiring a 240v gfci circuit breaker from schematicmanual101.z21.web.core.windows.net Wiring diagram for a 15 amp. Covers wiring devices and accessories intended to help protect sensitive equipment from malfunction due to. An isolated ground receptacle (igr) can […]