A switchboard modeling based on real commercial product. If you use Maya and V-ray, you can use my render setup.
OBJ (OBJ, filesize: 31.4 MB), FBX (Autodesk FBX, filesize: 37.1 MB), MAX (Autodesk 3ds Max, filesize: 37.1 MB), MA (Autodesk Maya, filesize: 12 MB)