Disclosed is an electrical connection device for fitting to a ceiling, comprising: a housing having at least one electrical connector for coupling the device to one or more similar devices, said housing being arranged to freely pass through a hole in the ceiling; fixing means provided on the housing and operable from an exposed portion of the device; and a removable bezel plate, arranged to be larger than the hole, wherein the bezel plate is arranged to attach to the housing and to abut an exposed surface of the ceiling and, in conjunction with the fixing means, to securely fix the device in position.