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thanks for all the replies I have solved the problem. Ordered sockets and enclsoure direct from HufHaus.

what would you call a socket that has minimal protrusion into the box? I termed it "slim" (with inverted commas to emphasise the looseness) as I believe there is no industry standard terminolgy for this. I know that when manufacturers say slim they mean the face of the socket doens't come...

not sure he'll go for that but we'll see.

Mike, It sounds like your original CU is not a TNS arrangement but more like a TT system. I would definitely contact your DNO and get them to provide you with a decent earthing point (which is their obligation). Also sounds like you don't have an RCD in between the meter and CU which is now a...

with a 16mm enclosure the actual depth will be 21mm because of the tiled surface (extra 5-6mm) I am aware you need 25mm with most fitments but if "slim" (minimal protrusion into the enclosure) sockets are available then a 21mm total distance may be enough. The customer wants a slim...

thanks for the replies. andrew, in reply to your question. the customer wants me to cut the minimum depth into the wall for the enclosure. The actual surface is tiled so that adds around another 5-6mm. I did try to convice them to use a 25mm enclosure but we shall see how it goes.

are the rear projections on all switches the same? I am trying to get hold of some sockets/switches that don't protrude into the mounting box too much so I can get away with a 16mm metal enclosure. anyone got any ideas? thanks in advance

I doubt that the b and q fitters would even get prosecuted. The policing in this country is non-existant and the authorities aren't going to come out because someone put a switch in a cupboard as opposed to above the work surface. Although you have good grounds to negotiate a discount. Half...

I have found that if you use metal capping then the plaster tends to crack from the thermal expansion, even if you have 5mm of plaster on top after a few years it cracks. I think the best thing to do is to use PVC conduit and then use no more nails to glue the conduit down. that way it...

at 8500W, you are pulling 37A + losses through the cable so a 40A MCB / fuse should be okay. at 9.5kW you will be pulling 41.3A + losses through the cable so you will need a 50A. Just for your information, you can work out the amp rating using this formula Power = Current x Volts...

A colleague of mine is currently in the same debacle as you. The supply (billing) is done by Npower but the DNO is what was Yorkshire Electricity (YEDL). YEDL are passing the buck over to Npower and Npower are passing it back. I have not seen this type of problem where the customer's...

The lighting circuit is not usually a ring. it usually terminates at the last ceiling rose or junction box. Usually the lighting circuit is protected by a 6A MCB so that equates to about 1380W (although you should take some off that for losses) Provided you do not exceed the rated output...