The 1-966066-1 is an insulated wire end ferrule designed for reliable termination of 1.00 mm² (18 AWG) stranded and flexible wires. It features a yellow plastic sleeve for circuit identification per industry standards and is constructed using crimp technology to provide a gas-tight, secured connection. The ferrule has a total length (L1) of 16 mm, an insulation length (L2) of 10 mm, an inner diameter (d1) of 1.40 mm, and an outer diameter (d2) of 3.00 mm. This product is recommended for push-in and spring connection technologies used in terminal blocks and control devices, facilitating clean and reliable wire insertion while providing conductor protection and a solid contact surface at the connection point.