Cables, Connectors & Cordsets Proper wiring, termination, and connectivity are the framework of any bus or network solution. Since the vast majority of networking problems occur at the physical layer, the proper wiring and connection techniques help to keep your fieldbus network robust and problem free. Whether you choose plug-in style connections or terminal screw connections, TopWorx offers a vast selection of connectivity options to meet your needs. We offer bulk cabling, field installable connectors, linking modules, tees, terminators, and pre-molded cordsets that meet the specifications of your fieldbus network.