KILLARK XAL-53, FIRE ALARM STATION, PULL RING TYPE CLASS 1 DIV 1&2, NEMA 7CD, 9EFG, 1NO/1NC CONTACT WITH 3/4" FEED THROUGH ENTRIESFeatures Enclosure is made of copper free aluminum alloy Conduit openings are 3 4 NPT feed through. Red, textured powder epoxy paint finish is standard on box and cover to provide high visibility for alarm station. Bilingual nameplates included per CSA requirement. Internal ground screw is standard. The alarm station is activated by lifting the front cover and pulling down ring. This quick easy to use two step process prevents unintentional operation.