Terminal Connectors Available here. Whether you need to connect two wires or terminate one, you need to use terminal connectors. These handy little devices make sure that the connection between the two wires is secure. They also serve to keep dirt and debris from contaminating the exposed wiring. It doesn’t matter if you are working in a tight space, need to match multiple wires together or want to be sure of the most secure connection possible, there are terminal connectors for all of your electrical wiring needs. If you’re not sure which one to buy, ask our friendly customer service staff, and they can point you in the right direction.