Tripping RCD on new Ring Main

[Des 56]

Having only whipped through this thread,it seems you have no testing to indicate a fault,no fault on existing,connected to correct neutral bar etc and yet it trips the Rcd when its connected?
Somethings amiss with either your testing or your tester or your consumer unit connections

Having said that,split the ring and connect one half at a time and see where that gets you,at least having one half to hold in will get you started

 

[buzzlightyear]

if I was you I would ask tele on this forum to help you. he not far from you .

 

[elsparko]

where do i send the invoice sir?

 

[elsparko]

where do i send the invoice sir?

 

[elsparko]

Having only whipped through this thread,it seems you have no testing to indicate a fault,no fault on existing,connected to correct neutral bar etc and yet it trips the Rcd when its connected?
Somethings amiss with either your testing or your tester or your consumer unit connections

Having said that,split the ring and connect one half at a time and see where that gets you,at least having one half to hold in will get you started

he has ins res of 0 between N - CPC

 

[Octopus]

No. I removed the cable for the ring from the consumer unit so I could leave the customer with power on the other curcuits.

The cpc should always be connected to the earth bar in the cu..... When testing IR

My money is on a clip or capping nail through the cable .... We've all done it

 

[buzzlightyear]

time to split the your ring circuit.to find the fault.

 

[Des 56]

This is certainly a game of move the goalposts to suit
The theme of the thread was a unusual circumstance,that is until I was enlightened by elsparko,thanks

I have installed a new ring main in a kitchen extension and tested for continuity and insulation resistance before connecting to Consumer Unit.

It then transpires on a second attempt

The insulation resistance are Line to Neutral ˃500 M Ohms Line to CPC ˃500 M Ohms. Sadly, the Neutral to CPC was 0.

The problem is one that is found and rectified on everyday installations,its run of the mill
The concerning problem is how on earth did a test one day and the same test the next have differing outcomes
Aside from the installation fault Simon,It seems you need to get your testing sharpened up

 

[Pete999]

Are they double pole?

What he said^^^^^^^^^^^^^^^^^^^^^^^^^

 

[buzzlightyear]

is this post is getting like the x files . we will never know.

 

[Midwest]

Well apart from the nice music buss, your doing jack ---- for the OP's confidence and willingness to post

 

[Octopus]

Well apart from the nice music buss, your doing jack **** for the OP's confidence and willingness to post

He's not helping himself by not answering the questions raised.......

 

[buzzlightyear]

the possibility either he has clipped the neutral or earth .that why getting 0 on testing to n/e .

 

[telectrix]

I have arranged with Simon to call and give him a hand. Will post findings after.

 

[Midwest]

I have arranged with Simon to call and give him a hand. Will post findings after.

See much better than just taking the michael, everyone gains in a learning environment.