UPS / Inverter Wiring Diagrams & Connection UPS & Inverter Wiring Diagrams & Connection. Single Phase & Three Phase Wiring Diagrams (1-Phase & 3-Phase Wiring) The cenection diagram of inverter and house wiring. Reply. Lynn Green says: at . I would like to hook up my (6) outside can lights to a Automatic UPS / Inverter Wiring & Connection Diagram to Related Electrical Wiring Tutorial: UPS / Inverter Wiring Diagram With Auto & Manual Changeover Switch System. Now, according to the below UPS connection diagram, connect an extra wire (Phase) to those appliances where we have already connected Phase and Neutral wires from (Power house & DB) (i.e., two wire as phase (Live) as shown in the below fig).