The Hardwire Transformers light low voltage transformer in black enhances the beauty of your home with ample light and style to match today's trends. Magnetic transformers are encased in a metal, black powder coated enclosure and potted to minimize noise and vibration. They are listed, thermally protected, and dimmable along with having resettable circuit breakers for short circuit protection. Housings feature an easy-hang bracket, wiring access door and multiple convenience knockouts for line voltage entry. Boost tap included for when transformer is located 20 feet or more from lighting system.