WD90 cable boxes can be configurated a 100%. No distances must be observed. This applies for cables as well as for ductworks. • All cables without any diametric restrictions except hollow conductors • Optical wave guides • Inelastic and elastic plastic ductworks with or without cables inside up to 63mm in diameter, in accordance with DIN 50086 • Cable bundles lashed up parallelly and compactly. The gores do not have to be sealed.