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Ok so you have the classic to cables in back of socket. Spurs should be identifiable through higher resistance but if very short spurs and it's an older install and you want to break into the ring to add another socket. You could be creating a spur off spur off spur?

How do u go about being certain in this scenario before the addition and do u always do it in practice?
 
Ok so you have the classic to cables in back of socket. Spurs should be identifiable through higher resistance but if very short spurs and it's an older install and you want to break into the ring to add another socket. You could be creating a spur off spur off spur?

How do u go about being certain in this scenario before the addition and do u always do it in practice?
Test the continuity of the the Ring Final r1,r2,rn, (R1+R2)
 
if you have 2 cables in a socket outlet, split them then test from 1 to the other for continuity. ( best done with power isolated :ack2: )
 
Sorry guys all posts spot on. Thanks Murdoch sorry if I implied wrongly. My apologies. Happy days :)

My 2nd post is really valid. I was fault finding a "ring" a few weeks back, which at a socket "looked" like a ring and tested as a ring BUT at the CU it turned out to be 1 x radial and 1 x lollipop - on a 32A breaker.
 
Definitely valid. Lollipop snares!!! Cheers. I started this thread to highlight to my buddy these issues which have panned out lovely so thanks again all I hope others may find this of use who stumble across it.
 
Isolate the circuit and connect phase and cpc (R1 + R2) of cable 1 together and do the same to cable 2. At your socket you should have 2 cables with continuity between R1 + R2. Still worth checking the whole circuit out though, R1, RN, R2, R1 + RN and R1 + R2. Best not to use a plug in test lead on old sockets as loose contacts etc can throw the readings out, drop the fronts and take the readings from the screw terminals.
 

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