A switchboard modeling based on real commercial product. If you use Maya and V-ray, you can use my render setup.
OBJ (OBJ, filesize: 27.1 MB), MA (Autodesk Maya, filesize: 10.1 MB), FBX (Autodesk FBX, filesize: 32.4 MB), MAX (Autodesk 3ds Max, filesize: 30.1 MB)