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That is because this location is does not present a fire risk or risk of explosion - it is not a garage forecourt or saw mill. The reason for the "probablies" is that we don't have the full picture! I can't be 100% sure of the size of the old oven I don't know the EFLI values to be sure...

What kind of fault - the new oven is rated at 2.65kW, the old oven was probably about the same, this load is unlikley to result in the 2.5mm T&E carrying any overload current, see reg 433.3.1. Unless it is a very long circuit (more than 30m ), fault current will probably be OK even with a...

Unfortunaltley you don't have the space to add a RCD module http://www.diynot.com/network/carlsbergy/albums/11694/43816 You could add RCBO modules (replace the MCB for RCBOs - they are about £23 each.

The OP has already been advised in other posts to get a competant electrician!. In a previous post he admitted the electrician does not speak english. :shock: I don't think we have been told everything. I suspect he is doing the work himself?

It is possible the fittings have failed becuase they have overheated. Overheating is usually caused by two things 1. The fittings have been covered with thermal insulation and they are NOT suitable for covering with insulation 2. You have used the wrong type of lamp (light bulb). For...

You said the "bulbs" stopped working/blew. Are these bulbs on the same light fitting or are there 4 fittings? Are they downlighters ?

A lot of the GU10 are only rated for 1000hours, so when one fails the others can follow soon after. (EDIT:) assuming they were installed at the same time you could expect them to fail at about the same time - if you have got 4/5 years out of them that is good! The designers must of intended...

You are free to get other quotes, and perhaps you should have done that before you come here complaining! For a 3-bed I would expect it to come in between £4K and £6K depending on the exact spec. Prices do vary from one part of the county to another, up norf prices to tend to be cheaper - that's...

For Hampshire sounds about right!

It sound like you don't like the advice given and are now threating us with violence! Or have I got the wrong end of the stick?

After reading your other posts on this and other forums I have come to the conclusion that you don't have a competant electrician on site, and you are muddling through this yourself. Please get a competant electrician to do the design and install!

It probably is not dangerous, phone your local building control, explain and see what their requirements are.

I'm sure you did not study for 3-years just to work in your own house? You need to notify the building control (assuming you are in england or wales) before you start. There will be a fee to pay, it might be reduced if you can show you are competant and qualified and will be producing the...

As you are in England I assume you are going to comply with PART P of the building regs?

Stupid would be not designing the circuit(s) propery and not considering the effect high protective conductor currents on RCDs. That does not mean you cannot have RCDs on those circuits. You could have high protective conductor currents and still have RCDs - but limit the number of socket...

Before dismissing RCD protection I would advise that the electrician discusses the use of RCDs with the business owner, and the implications of having or not having them. We don't know if there are skilled or instructed persons on site or if the business owner would be prepared accept that...

Ask the inspector why he wants Fire Rated fittings? The fire rated fittings are used to imede the spread of fire from below, they are not more or less prone to catching fire if fitted properly. Most of them have a 90 minute rating I am assuming it is plasterboard around the steel - what...

If the cable has a sheath like twin an earth see pic ( http://www.tlc-direct.co.uk/Products/CA10Gslash50.html ) then it won't need to be in conduit when burried in plaster. The outer sheath of the cable should enter any enclosure it goes into, so you should not be able to see the blue and...

If they are 12V there will be 1 or more transformers somewhere. If the transformer or fittings have been covered with insulation then it likley the fittings or transformer have overheated and failed. You may need to replace the transformer(s) or the MR16 tails.

Why not, many of them are in lockable houses.