OneMonroe's Integro manufactures underground power distribution equipment for airfield runways. Our FAA listed products are used to isolate high operating voltage at every light and sign on the runway and taxiway circuits. We are the preferred supplier at all major airports, both commercial and military, in the United States and in many airports in South America, Australia, Europe and Asia. Our line includes FAA approved L-830 (60Hz) & L-831 (50Hz) series isolation transformers and L-823 primary connector kits. Offerings also include secondary connector kits, factory molded fixture leads, and extensions. We proudly meet the Buy American clause for AIP assisted projects in the USA!