The terminal block consists of a modular shell and an insulator, which can fix two or more wires together. Terminals are also called terminal connectors, connecting terminals or screw terminals for various applications that require safe 
connection to electrical systems.

Using terminal blocks is a better solution for connecting wires. Terminal blocks provide greater flexibility. When using terminal blocks, wiring modifications are easy because wires can be removed or added quickly. The wiring terminals 
are neat and orderly, which is convenient for quick identification, and makes it easier to modify and troubleshoot.

Terminals are components with an insulating frame whose sole purpose is to fix two or more wires together. Terminal blocks are classified according to characteristics such as structure, device type, and termination options. Terminal 
types include: ground, fused, thermocouple, the most common method of terminal installation is to connect to a DIN rail.