Discuss BS 1363 socket circuit in the UK Electrical Forum area at ElectriciansForums.net
That is a point I am getting frustrated with most s/o these days. The termination point is very reticent even properly accepting 2 x 2.5 leading to a difficult insertion. Curve, Hamilton, and the cheaper brands all seem to have a crap termination point. I took 3 boxes of sockets back last week and got some MK instead at screwfix. I don't think they are fit for the purpose. Bring back the good old days where you had a half inch round hole (ok slight exaggeration!) to double the cables over in. Try doing that now with the modern sockets. I had a trainee working with me after half an hour he could not terminate the sockets properly. I had to exchange them.in most S/Os these days
There may be diversity to be applied here, but still I would probably cut that circuit into at least either two RFCs or into two or more radials to suit, especially if you know there is likely to be frequent overloads, not so much the kettles, which maybe only on short term, but more the tea urns and coffee machine which really should be on their own circuits if they are rated at 2kW or more.
Why not just run it as a ring?
Certain ones may do, I couldn't swear to what does what these days
but still it is perceived as a 'bad design' when a typical RFC is designed for 32A only, it may lead to queries and condemnation by future sparks down the line , seriously though I would stick to conventional circuits where possible
A Ring Final Circuit uses a protective device which is rated 1.5 X the CCC of the conductors.
So 45A MCB, requires conductors with a minimum CCC of 30A.
Oh I am not arguing spin ffs we have had people on here who disagree with SB and lowering Zs, or think it is dangerous ffs, never seen a lollipop circuit before, trying to invent even more regs the list goes on and on! welcome to the new breed of "super sparks"
IMO, and it is only an opinion, it is better not to deviate at all unless there is no other option.
Question is, why would you want to? Appendix 15 BS7671Does anyone know if its acceptable to have the ocpd of a radial circuit serving only single sockets higher than 32A ?
2 x 6mm would be the most a socket could take so probably 40A OCPD (singles in trunking).
I remember when I started out in the 80's using contactum with large bellmouth terminals that could take 2 x 6mm cables.That is a point I am getting frustrated with most s/o these days. The termination point is very reticent even properly accepting 2 x 2.5 leading to a difficult insertion. Curve, Hamilton, and the cheaper brands all seem to have a crap termination point. I took 3 boxes of sockets back last week and got some MK instead at screwfix. I don't think they are fit for the purpose. Bring back the good old days where you had a half inch round hole (ok slight exaggeration!) to double the cables over in. Try doing that now with the modern sockets. I had a trainee working with me after half an hour he could not terminate the sockets properly. I had to exchange them.
The concern for me doing an R.F.C. with larger cables and the protective device would be the current carrying capacity of the terminals although they should be able to take 32A minimum.Question is, why would you want to? Appendix 15 BS7671
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