Hi so i am doing a test on sockets on a ring Final circuit for family member. Got my end to ends r1 0.62, rn 0.64, r2 0.97, identified opposite r1's+rn's for figure of 8 joined in connector blocks. set up Kewtech KT63 multifunction tester nulled leads and plug adapter and tested at sockets at got a reading of 0.00? Any advice on why this might be would be greatly appreciated and enhance my understanding