This is a housing for 2G11 Connector. 2 parts sandwiches 2G11 light bulb with 2 pcs M3*20mm cup head (hex) screws.
Cables are single core copper ones stripped around 12mm at the end, connector springs (copper connector inside) are harvested from a circular ceiling light connector (2GX13 socket). Cables are guided all towards side, bottom and back are flush.
The author hasn't provided the model origin yet.