Ground base, KVS, kit, size 00, height: 900 mm. Profiled ground base in rib design, with fastening rail made of angle steel 40 x 40 x 3 mm for clamps as strain relief for cables. Pre-punched opening on the side, closable from the inside, when opening, a cover d = 55 mm (accessory) must be installed. To prevent condensation, the base must be filled with base filler on the inside up to the height of the cable fastening rail. A floor grate is recommended for stability.