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Read the instructions for the hob very carefully. As I have found out in the past that there are restrictions what you can have under the hob AND you need to check clearances. I previous customer fitted their own oven and hob, the hob overheated when the oven was on and the thermal cut-out...

You are going to need another switched fused connection unit (SFCU) with a 3A fuse. You will need a cable from the load terminals of the 1st SFCU to the supply/feed terminals of the new SFCU. From the load terminals of the new SFCU connect your new security light

Check that the electrician is prepared to accept this arrangement BEFORE YOU START. Most electricains will not sign off work done by others as the building regs don't allow it.

Album is here http://www.diynot.com/network/aagohar/albums/13190/49118 Looks like one of those fuse boards is switched off, I would start there

If there is a RCD in the CU and one in the socket then it most likely both of them will trip

You could do that, or you could also have your outdoor socket next to the weatherproof box. That way you can still use the socket for other purposes.

Well if it is only a moulded plug then the MK should do, being able to accept a moulded plug is one of their selling points "Masterseal Plus™ sockets can seal around virtually any standard 13A plug – including moulded plugs – allowing safe connection for any appliance."

It might make that recommendation and it might not. The inspection should provide an overall assessment of the suitability of the installation for continued use, you might find that the installation is still safe to use.

Do you really mean a moulded plug, or are you referring to the plug in power supplies that a lot of extra low voltage equipment use. If it is the latter then you might want to consider one of these as well...

That looks like cable of imperial size and they stopped selling it in the early 1970's and green sleeving stopped in 1977, so there is a good chance the electrical installation is over 40 years old - past its sell by date. How long are you planning to stay in the house and are you planning...

As already said look at dimplex See these two examples http://www.dimplex.co.uk/products/domestic_heating/installed_heating/panel_heaters/exp_range/index.htm (IPX4 rated) http://www.dimplex.co.uk/products/domestic_heating/kitchens_bathrooms/bathroom_radiators/apollo_range/index.htm (also...

Short answer is Yes, it appears to be a Class 1 fitting and requires an earth connection. The risk is if there should be a failure of basic protection and fault occurs your fitting could become live and pose a shock risk. As you have no earth the circuit protective device (fuse/mcb/rcd) would...

Well I suppose you are talking about short circuit current and over current protection, both of which need to be considered in your design Have you got a copy of the IET "Electrical Installation Design Guide", it covers these two design considerations, and its guidenance is that for...

Yes it does matter, your design needs to provide short circuit protection so your line/neutral impedance should not exceed the values given the tables. I guess with the reduced csa of the cpc we use, the assumption is that the earth fault loop impednace will be higher than the line/neutral...

Have a look at the life expectancy of the lamps (light bulbs), it will be printed on the packaging. Most of the GU10 I have seen the supermarkets and DIY stores are rated for about 1000hours. So if you use them for 4 hours a day then you can expect them to last 8months. The same applies...

I have a fluke 1653B and prefer it to the metrel I also own. I would get another fluke when the time comes. Ramp testiing can be useful when fault finding.

Well that depends if he wants the orginal guy back? The complaints procedure of most of the schemes is to give the contractor the opportunity to remedy the situation. If the OP does not want the contractor back, then by all means document the issues and call trading standards etc but I...

Your post suggests that the electrician orginally left the installation without an adequate means of earthing, if this is the case it is very worrying, and is a very basic mistake - even for somebody who did a crash course. Are you saying that it has only tripped twice - i.e. when the lamps...

A fool thinks himself to be wise, but a wise man knows himself to be a fool - William Shakespeare The wise man does at once what the fool does finally - Niccolo Machiavelli

That diagram is NOT s-plan! I would say that the ? cable it should be a live connected to the grey wires on the 2-port valves. Also the orange wires from the valves should be connected to the SL on the boiler. The cabling between the stats and the valves is also wrong. As said start again