Electrical installation box and method for installing electrical installation box

摘要

An electrical installation box(100) comprising a lead-through collar (106) to be set into an opening (142) made into a surface structure (140) from the direction of the rear surface of the surface structure (140), one or more temporary fastening means (110, 112) connected to the lead-through collar (106), the temporary fastening means being arranged to bend towards the centre axis of the lead-through collar, when the lead-through collar is being placed to the surface structure and the temporary fastening means being arranged to attach to the front side of the surface structure (140) when the lead-through collar (106) has been installed into the opening (142) made into a surface structure (140), and one or more fastening spaces for receiving the actual fastening means.