FXLuminaire PX300PCSS 13-1/2"H Stainless Steel PX Transformer with Photocell 300W FX Luminaire marketed the first Multi-Tap transformer to the landscape industry more than 20 years ago. Since that time, they have led the industry with safe and innovative products that are reliable and easy to use. The PX series of transformers include many exclusive features and are assembled in-house for the ultimate in quality control.