A switchboard modeling based on real commercial product. If you use Maya and V-ray, you can use my render setup.
OBJ (OBJ, filesize: 69.7 MB), MAX (Autodesk 3ds Max, filesize: 95.7 MB), MA (Autodesk Maya, filesize: 37.8 MB), FBX (Autodesk FBX, filesize: 106 MB)