Ceiling connection column 2-sided with clamp fastening Alu DA200 L = 2, 8m traffic white. Electrical installation duct system Ceiling connection column made of aluminum with clamp fastening for ceiling connection as a device installation system for the installation of device installation components. Consists of a rectangular base profile slightly curved, upper part 80 mm, 1- or 2-two-sided, partition wall, ceiling cladding, clamp fastening with quick fastening made of galvanized steel, pre-assembled spirit level for alignment and earthing accessories for the electrical connection of the base profile/upper part. Ceiling connection column for the installation of built-in devices using front-locking fastening technology. All built-in devices/inserts are to be mounted with covers, frames or cut-concealing/arrangable panels with/without identification plate. Notes: Earthing measures must be carried out professionally. The specified length corresponds to the column profile length.