Home›Building engineering›penetrant🌐EnglishEnglishEspañolРусскийفارسیEntityQ4206650· pop 5· linked from 118 articlespenetrantAlso known as penetrating item, pipe transit, cable transitopening in a wall, floor or roof for technical equipment, such as pipes, wires, et ceteraAvailable in 5 languagesРусскийNorwegianUkrainianفارسیvia Wikidata sitelinks · CC0ConnectionsductEntitysteelEntityCategoriesBuilding engineeringFirestopsPassive fire protection