Connector, that is CONNECTOR. Also called a plug-in connector. It is a component that electronic engineering technicians often touch. Also known as connectors, plugs and sockets. Generally refers to electrical connectors. That is, a device that connects two active devices, carrying current or a signal.

Terminal, English name Terminal (terminal). It is an accessory product used to realize electrical connection, which is divided into the category of connectors in industry. The terminal is used to facilitate the connection of wires. It is actually a piece of metal enclosed in insulating plastic. There are holes at both ends, and wires can be inserted. Terminals can be divided into WUK terminal, European terminal series, plug-in terminal series and so on.
The quality of the terminal block depends on the following three factors: design, material selection and processing technology. When choosing terminal blocks, you must pay attention to distinguish carefully: first, look at the appearance: a good product looks like a handicraft, it will give people a pleasant feeling; secondly, the selection of materials is better: the insulating parts should be flame-retardant engineering plastics, conductive The material should be copper and never iron; the most important thing is the processing of the thread. If the thread processing is not good and the torque does not meet the standard, it will lose the function of connecting the wire. The easiest inspection method is: visual inspection (look at the appearance); weigh the weight (whether there is cutting corners); use fire (flame retardancy); test torque.