Pro-Puck is the industry first UL listed, 120V down light system. No transformer required. Hardwire or portable (cord and plug) applications. Pro-Puck can be linked together without additional components. Engineered and designed for the professional, Pro-Puck has simplified single down light fixtures by operating without a low voltage transformer. This avoids common issues such as; voltage drop, number of transformers per application and short runs on a single power feed. Surface mount or recessed options without additional accessories. Whether the installation calls for hardwire or portable, link up to 100 LED fixtures from a singe power source.