Hello all!
Have been changed CU for assessment. When tested ring circuit (s/o) it wasn't continuity at all. Somebody disconnected wire when been moving sockets.
So I've left it as radial, it is 4smm cable with 1,5smm cpc,32A mcb,R1+R2 0,95,
ZS 1,01. Everything looks OK. I've disconnected...