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PRECAST CONCRETE ELEMENTS188 CPI %u2013 Concrete Plant International %u2013 5 | 2025 www.cpi-worldwide.comCentrally thought through and implemented in practice: The central transition box for concrete installationsThe central transition box, which can be used equally for factory production as well as for in-situ concrete, is inserted into the slab elements as a central feed-in point via electrical distribution boards and routes. The pipes converging at this location (sizes %u00d8 20 to %u00d8 63 mm) can simply be routed via various outlets to the circuit distributor underneath, which may for example be housed in a lightweight wall.Large, resilient, easy to install: The large concrete slab box 115 with quick-release lidThe large box for concrete slabs is suitable for factory installation in prefabricated slab elements that will be complemented with in-situ concrete on site. The version with a holder for the System Magnets is ideally suited for quick attachment to System Magnets that have already been set automatically. The large box for concrete slab elements is already an integrated component in the slab when it reaches the construction site and enables quick installation of empty piping The new central transition box for application in in-situ or precast concrete slabs is used for the central connection of pipes of different diameters.The large concrete slab box 115 has a quick-release lid and, due to its special design, can support luminaire suspensions weighing up to 10 kg.