The 1-966066-5 is an insulated wire end ferrule designed for reliable termination of 0.14 mm² (26 AWG) single-strand flexible and stranded wires. It features a grey plastic sleeve for circuit identification per industry standards, with a total length (L1) of 10 mm and a reduced length (L2) of 6 mm. The ferrule has a copper sleeve inner diameter (d1) of 0.70 mm and an outer diameter (d2) of 1.60 mm, providing a gas-tight and secured connection when used with precision crimp tools. This ferrule facilitates clean and reliable wire insertion into terminal clamps of terminal blocks and other control devices, making it ideal for industrial and commercial applications where contact precision and conductor protection are essential.