Beside my sink there is a double socket. I am planning fitting a waste disposal unit and will need a spur to power the disposal unit. Both existing sockets are hardly ever both used at the same time, is there a single plate I can mount with a socket and a switch for the spur? Link? thank you
At one time you could by 3 gang grid switches on a 2 gang plate. So you could assemble a switch, fuse and neon. Dunno if anyone still makes them in this size, though.
The slight difficulty is the back box for a double is slightly narrower than that required for two singles. So you would need to dig out the current box and make the gape a bit wider to fit a dual single box (looks a bit like a double, but has a division in the middle and extra screw holes for the inner edges of the singles.
summer is nearly here and the flies and then the maggots will find their way into the wheely bin, and after a fortnight it is not good. If I fit a single socket should I take it as a spur from the double one?
On Sunday 23 June 2013 08:44 misterroy wrote in uk.d-i-y:
Yes. And...??
You may take a spur from any accessory (socket, sing or double or fused- spur) that is on the ring and *does not already provide a spur, fused flex outlets excepted).
So yes, you can take from a single socket or a double.
On Sunday 23 June 2013 12:21 John Rumm wrote in uk.d-i-y:
Oh - and watch out for it being a spur that's already spurred from (wrongly) (so it looks like it's part of the ring but isn't) - meant to say that earlier...
300mm from the sink is a recommended minimum, from (one source), the IET Electricians guide to the Building Regs. The Wiring Regs go into detail about suitability for the environment it is installed in,but give no defined answer. Every installation is different,so a case may be made to put a socket outlet right next to a kitchen sink, and it will comply if you show that its use will not cause a danger to the User.
I had this conversation with my Assessor. If there is a non-fused spur from a ring final circuit to a double socket outlet, then, you can add an extra socket outlet to that spur, if you can show that the extra load is unlikely to cause an overload of the cable(s). A domestic waste disposal unit is very unlikely to cause an overload, as it runs at a low wattage, as well as being used only very sporadically. Being as such a socket outlet would be in the back of a kitchen unit,it is also unlikely to be used for any other general use, so is safe to be wired that way.
On Sunday 23 June 2013 17:36 A.Lee wrote in uk.d-i-y:
Have to admit that's new to me. I see a potential problem that even if the current householder understands the limitation, a future one may not.
I'm not sure I follow why "double" seems to be preferred as it could draw (legitimately) 20A before adding the load of the final spur. Daisy chain spurring via a single would make more sense surely?
OTOH if you join the spur to the ring via a 13A fused unit, AFAIK there is no limit to the amount of daisy chaining you can do afterwards (one of the guides - can't remember of it was John Whitfield or the On Site - have to check).
The flex supplied on the disposal unit is short, to short to reach the sock et, but if I lengthened it there is a double socket behind the fridge, I wo uld need to change this double to a treble for the dishwasher, fridge and t he disposal unit. Would that work? It would be the easiest solution.
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