Couplings are designed to connect cables with paper insulation, for example, AASHv, ASB, TsASB, ASBG, ASB2l, etc., with shielded single-core cables with plastic insulation, for example, PvP, APvPu, APvVG, M (A) 2KhZU, AKHEKUSU, X11NAKHZ, etc.