Why? A washing machine is a high load device. The other socket above the worktop may well feed another high load device (kettle, toaster, etc). Total load more than 13 amps. Much better to take two spurs.
Adding two spur sockets to Ring Final
- Thread starter Sard
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Two spurs from the existing socket?
As long as you can get the cables in yes.
That is not technically against the regulations, but (there’s always one) you would be faced with trying to cram 4 conductors in each of the L, N & E terminals.
And the back box will be stuffed.
Good luck!
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...and how is that 5mm² of cable (in one place) better than one 4mm²?
So - three additional unnecessary joints.
If only there were another way to remove the need for that pesky FCU.
I think I'm going to stick to your recommendation of having an FCU leading to two separate sockets. It's highly unlikely I'll have high powered appliances plugged in and operating at the same time. The washing machine goes on 3 times a week. At most I'll have a toaster & coffee machine plugged in above the counter.
Im sure he was advising NOT to have an FCU
1) Who was talking about 4mm2 cable? I wasn't.
You mean, spur from the socket to multiple new sockets in 4mm2?
Yes, I'm reasonably happy with that.
Don't know what the next man doing the testing will think - but electrically I'm very happy with that.
The reason I mention EXTENDING the ring (in 2.5mm2) is because the op stated in his very first post that he couldn't EXTEND the RING - but I think he can.
2) Three unnecessary joints - where?
You must mean the three connectors in the back of the existing socket.
So what?
Again, this was mentioned because the op thought it wasn't possible to EXTEND the RING. To extend the ring, you would need this joint (without causing disruption to other parts of the house/installation).
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I suggested an option of a 2.5mm² spur with FCU before the two accessories - i.e. a usual spur..
That's what I understood too.
I was. Post #5
Yes. By far the simplest option.
Good. No reason not to be.
If the next man doesn't know what to think then sack him.
Fair enough.
The connections in the backbox necessary when extending the ring.
Yes. It is pointless extending the ring so they are an unnecessary addition.
Yes, I know you would but there is no point extending the ring.
I wouldn't say it was 'pointless' to an extend the ring/any ring.
I think extending the ring is perfectly logical and in keeping with the original installation.
As much as I agree with you about the advantages of spurring in 4mm2, the whole point of my post was in response to the matter of the op claiming it wasn't possible to extend the ring.
Extending the ring seems a very normal method to add two or more sockets to me, and ideal if, for example, the op already has some 2.5mm2 cable.
I think extending the ring is perfectly logical and in keeping with the original installation.
As much as I agree with you about the advantages of spurring in 4mm2, the whole point of my post was in response to the matter of the op claiming it wasn't possible to extend the ring.
Extending the ring seems a very normal method to add two or more sockets to me, and ideal if, for example, the op already has some 2.5mm2 cable.
'Pointless' is probably not quite the right word, but I think a lot of people do it, and advocate it, simply because it 'sounds more decent/neat', without it really offering any significant electrical advantage.
It seems increasing common for new-build solid-floored bungalows to have no sockets 'on the ring' but rather, to have a 'ring' of JBs in the roof space, with all sockets as 'spurs' on drops from that ring.
Kind Regards, John
And not just bungalows. When I moved in to my house (built about mid 70s) there was only one ring final for sockets.
The ring served the kitchen and upstairs rooms. Sockets in other downstairs rooms were single spurs from the upstairs sockets. Which made adding further sockets to downstairs rooms a bit of a challenge.
It’s not like that now!
The ring served the kitchen and upstairs rooms. Sockets in other downstairs rooms were single spurs from the upstairs sockets. Which made adding further sockets to downstairs rooms a bit of a challenge.
It’s not like that now!
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If it wasn't for that pesky FCU, I'd have got away with it...
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