Ring Main Extension

[bluefont]

When extending a domestic ring main why is wrong to add a ring to a ring? In other words leave the existing ring intact and just add the extra sockets to a ring taken directly from two adjacent sockets. After all the current flows both ways

 

[breezer]

its harder to do that, and you are making a ring into a spur

why not add the new sockets into the ring, easier and safer

 

[ban-all-sheds]

What you'd end up with then would be a bridged ring, which you're not supposed to have.

But if you can get at 2 adjacent existing sockets to connect your new cables, you can disconnect the existing cable joining them, and thus extend the ring....

 

[plugwash]

there are two main reasons

the first is it can increase the chances of hot spots in the ring

the second is it makes a cuircuit arrangement which is going to be a right pain to test (i think this is the main reason)

 

[bluefont]

Thanks for the quick responses. I shall ensure that I construct the new ring extension without the bridge. I just wondered why it shouldn't be done the other way.

 

[onion_soup]

What you'd end up with then would be a bridged ring, which you're not supposed to have.

But if you can get at 2 adjacent existing sockets to connect your new cables, you can disconnect the existing cable joining them, and thus extend the ring....

my 2 adjacent existing sockets are not part of ring , still connect to them ?

 

[ban-all-sheds]

Possibly - all the usual rules apply to each one, individually. But don't join them together, directly or via new sockets.

 

[onion_soup]

Possibly - all the usual rules apply to each one, individually. But don't join them together, directly or via new sockets.

ok ban leaving every thing as is for now