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![]() Hiya
They work by varying the AC input voltage. The data cable of the power bar plugs into a 1-10V line on the back of the profilux and the ballast AC plugs into the power bar. WARNING - DO NOT plug the "Dimmable" power bar into an "S" socket on the ProfiLux, seriously - Don't ![]() The beauty of these ballasts is 1. Far less wiring 2. Available in all wattages in 110V |