Dome box, can also be used as a ceiling box, 2 screw domes with screw spacing 60mm, can be combined at a standard spacing of 71mm, fully insulated cable transition, suitable for all types of formwork and counter formwork, with protection class IP30, rated insulation voltage: 400V AC, halogen-free, number of entries 45°: 4, 2-part, magnet or nail fastening, membrane for perforation, sealing range M16-M25, can be used with support beamsDimensions: 71 x 71 x 91mm