Greenfield Electronics is a manufacturer of a full range of T5 T6 T8 T12 PLL PLC FC fluorescent lamp ballasts for our OEM customers. Our electronic lighting ballasts offer the latest advanced electronic ballast features, including Energy saving, surge protection, programmed start, multi-lamp, multi-watt, universal voltage, and high output lighting ballasts. We have a variety of case sizes to allow our customers greater design flexibility. We also offers a low temperature freezer ballast for outdoor signage and refrigeration ballast replacement. CE UL cUL CCC.