Cable ladders of 60 mm in height and of various widths, made of galvanised sheet metal. The length of an individual cable ladder is 3,0 m. Cable ladders are attached to the wall or ceiling with the suitable NKP brackets compliant with installation instructions. Connection of cable ladders is carried out with the use of appropriate connection elements, PPKP M8x16 (8x) bolts and PPKP M8 (8x) flange nuts.