The product group of installation units is part of the range of PUK underfloor systems. They are used to create robust accesses points to power and data connections in floor sockets, assembly covers and raised or false floor openings. Depending on the area of application, they are available in different versions: as cartridge, dummy, surface-mounted or hinged cover units, single or compact single outlets or cleaning sockets. They are made of plastic or stainless steel, are round or square and can hold two or three mounting boxes. The installation units are suitable for either dry-cleaned or wet-cleaned floors in environments with office traffic or heavy traffic load conditions.