A switchboard modeling based on real commercial product. If you use Maya and V-ray, you can use my render setup.
OBJ (OBJ, filesize: 9.61 MB), FBX (Autodesk FBX, filesize: 14.2 MB), MA (Autodesk Maya, filesize: 5.63 MB), MAX (Autodesk 3ds Max, filesize: 14.3 MB)