Pressure Class: 2500 N Material: Galvanized Steel Installation Temperature: -25 °C / + 90 °C Installation Type: On surface, under plaster, ceiling and in wall, heavy type & high pressure installing In acconlance with: UL 767, ANSI C80.3 In acconlance with: A piece of EMT (UL listed )conduit is 10 ft. (3.05 m) length.