olemus
köie-, trossi- (valgus)kaabliühendus

Wiktionary:
1. (nautical) a junction or joining of ropes made by splicing them together
2.(electrical) the electrical and mechanical connection between two pieces of wire or cable

näiteid
https://en.wikipedia.org/wiki/Rope_splicing
https://en.wikipedia.org/wiki/Line_splice
https://en.wikipedia.org/wiki/Line_splice#Optical_splice