The wattage you'll need is decided by the amount of lights plus the wattage of every light. To estimate the wattage you may need, increase the wattage of all of the lights you ought to use. This will give you the full wattage you may need. johnyking July 23, 2022 https://groups.google.com/g/dewa918gcr/c/ApFMWwjqpSc