For the connection/extension of data cables up to Cat.7, A, IP67 protection through special shrink tubing, in conjunction with Cat.6, Cat.6, A, Cat.7 and Cat.7A cables and Cat.6 connection technology, class E according to ISO/IEC 11801 Ed.2.2:2011-06 is met, connection of data cables AWG26/1 - 22/1 (single-wire), cable feed from one or two sides possible, cable sharing, splitting of an 8-core to two four-core cables possible (a cable connector on the input and output side required), fully shielded metal housing, strain relief and separate 360 shield connection, captive