Lower part of the RAUDUO duct system with 2 thermally separated individual chambers for the joint laying of electrical and heating cables. With locking function for holding the upper parts of the duct. Lower chamber for holding electrical cables with extruded partition wall for separate laying of high and low current. Standard floor perforation. Lower and upper parts to be ordered separately. Tested according to DIN EN 50085-1: 2006, DIN EN 50085-2-1: 2007 and VDE information test regarding temperature behavior (VDE 0298, Part 4)
