Plug In Terminal Block Product Features YC pluggable terminal connector block Electrical connection Easy for installation Stable quality FAQ锛?/h5> 1.What is terminal block plug? Terminal blocks are connectors that terminate a single wire and connect it to a circuit or other system. Terminal blocks come in a range of shapes, sizes and ratings, but always terminate a single wire (single pole) and are never multi-pole. 2.What is a terminal in connector? A terminal is the point at which a conductor from a component, device or network comes to an end. Terminal may also refer to an electrical connector at this endpoint, acting as the reusable interface to a conductor and creating a point where external circuits can be connected. 3.Why use a terminal block? Terminal blocks increase safety by grounding, isolating, and protecting the other components in the electrical circuit. Terminal blocks are available with finger-safe connections to prevent electrical shock. And, terminal blocks can also provide test points, which add even more safety to the circuit. If you have any other questions, please contact us,we will reply you ASAP. Plug In Terminal Block website:http://www.yxswitches.com/terminal-block/plug-in-terminal-block/