Generac Nexus Controller Wiring Diagram. Generac power systems automatic transfer switch kits for home generators. Group g wiring diagram 20 kw home standby part 7 page 181. Generac Guardian 8kw Wiring Diagram from schematron.org Web designed to operate with the nexus or evolution controller equipped units; Generac xp6500 0059301 portable generator sn 6360264 6360363 2011 […]