Wire ferrules are small metal or plastic sleeves that are crimped onto the end of a stranded wire to provide a secure and reliable electrical connection. They are often used in industrial and commercial applications where a large number of wires need to be connected.
The ferrule is inserted into the terminal block or connector and crimped onto the wire using a special tool. This compresses the ferrule onto the wire, creating a tight and secure connection that is less prone to damage from vibration or movement.