How Many Low Voltage Lights On A Transformer March 5, 2019 How Many Lights Can I Connect To My Transformer?. To figure out how many lights you can power with a single transformer, look to the minimum and maximum wattage ratings. www.lightup.com John Deere 1050 Wiring DiagramIntertherm Thermostat ManualCopper Wire MeaningHD Wiring Diagrams7 Pin DiagramLooking For A 3 Way1963 Chevy Truck Wiring DiagramAxxess Xsvi 6522 Nav Wiring Diagram