Hi all, I had a fault on site today I've not encountered before. if anyone could shed some light on a similar fault they may have encountered before that would be helpful.
I was changing some damaged socket fronts over and I noticed the cables had signs of over heating so I thought I would do a couple of tests from the socket as the CU was rammed, and this is where I have a problem.
LL- complete ring
NN- complete ring
CPC- open ring
So I go to the CU to make sure the connections are good there 1st, purely because the board was rammed full of cable making the earth bar virtually inaccessible. the circuit in question was installed not too long ago by a previous contractor, so I was assuming he might have struggled putting the cpc's away.
I tested the ring final again, this time at the CU and the CPC's are complete. Could this be the classic case of a ring within a ring, and if so, how was I getting NN LL at the socket?
Thanks for reading.
I was changing some damaged socket fronts over and I noticed the cables had signs of over heating so I thought I would do a couple of tests from the socket as the CU was rammed, and this is where I have a problem.
LL- complete ring
NN- complete ring
CPC- open ring
So I go to the CU to make sure the connections are good there 1st, purely because the board was rammed full of cable making the earth bar virtually inaccessible. the circuit in question was installed not too long ago by a previous contractor, so I was assuming he might have struggled putting the cpc's away.
I tested the ring final again, this time at the CU and the CPC's are complete. Could this be the classic case of a ring within a ring, and if so, how was I getting NN LL at the socket?
Thanks for reading.