A switchboard modeling based on real commercial product. If you use Maya and V-ray, you can use my render setup.
OBJ (OBJ, filesize: 15.8 MB), MA (Autodesk Maya, filesize: 7.43 MB), MAX (Autodesk 3ds Max, filesize: 21.6 MB), FBX (Autodesk FBX, filesize: 30.7 MB)