Raised access floor power system 9904AK with height-adjustable floor socket and 4 slots. The housing is made of sendzimir galvanized sheet steel, the frame and the insert lid are made of solid aluminum. The lid is anodized in natural aluminum and can be fitted with floor coverings. It closes even when the standard plug is inserted. The bottom of the receptacle box can be opened for subsequent pulling of cables without affecting the connected units. Further configuration variants on request.