Galvanized Steel Flexible Conduit - PRWG series, is UL listed / recognized for full trade size. The performances of flexibility, pull and impact resistance completely meet with UL 1 standard. Wiring protection in/on building, office, light fixture, machines, elevator, data center and etc., where demand UL listed and low fire hazard. The Extra Reduced Wall type is especially used for office OA system or above ceiling.