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Fair Point FWL, but i thought c.k. was referring to by reference to SOL in a previous post. overload limiters are also commonly used in telephone networks.

These reading are all acceptable. take a reading between live(outgoing side of MCB) and earth at the CU. However i cannot understand why this problem exists. By how much have the lights dimmed? Is it severe?

I cant say i have the answer to this one of the top of my head! If you can get you hands on a multimeter. I would advise you to measure the voltage between the top of the lighting MCB an the neutral block. Then again at a ceiling rose where the problem exists.

SOL (Solidified ?????? Locide) This is a relatively new cable designed for industrial use. It is manufactured in America. I have only used it once in my life. Why? It costs about (€19 + vat per metre!) and i'm not joking. The advantages of it being that the cable has a minimal resistance and...

Are you wiring the lights into the RCD? Also could you give me more info on your general setup. How old is the house? Type/make of CU Do you have a multimeter?

FWL, the above are guidelines. If any company sells a busbar rated for 100A then it has to be capable of supplying that at one point. I recently attended a MEM conference in Dublin where this was discussed. I cannot speak for the domestic bars, but their 125A one is guaranteed for 35years from...

my sincerest apologies, I misread SWA as SOL (the second time i have done it today). I can see the benefits of using SWA here and have heard its use discussed on many occasions, however never seen it installed in a domestic installation. In relation to 63A being supplied at one point on the...

Some House! Would love to see the photographs :)

12KW are already available. As for using SWA to supply a shower in a domestic installation - this is ridicules.

there is one on the front of our tender below (if you can see it) here's a better one.

Ursa, I'll start talking about how to go about diagnoising and solving the problem letting you decide youself whether you are up to the job. Some of this involves testing using your 'neon screwdriver'(thank you breezer) so care must be taken. I presume you know how to use it (place your...

I would love to know what your relationship with the NICEIC is like. Is it a friendly afternoon chat job or heres this f***** b*****ringing up again! No offence intended :)

This must be the latest special tool out today, i have never heard of it. No, Ursa i only joking, this tool is called a phase tester and is extremely common however useless it may be. To be honest with you i do not think you are capable of dealing with this problem yourself, however if you...

FWL, although i can find no fault in what you are saying, it is important to remember that this is a domestic installation, not an industrial one. I think as you have already stated somewhere, (even though you may have been referring to something else) an 'on-site' decision has to be made here...

Now this is what I call a mess! But well done for including a photo!

FWL just out of interest, is this actually done, ducting etc. In domestic installations in ireland SWA must be burried 650mm and marker tape used. As far as i know in britain (open to correction here) the procedure you describe can be used with standard PVC T&E. A practice which is not allowed...

oh god, VIRUS, set off the fire alarm immediately and talk over it to the "helpline"

Current = watts / voltage (for which you take 230V) 12 X 100 = 1200 1200 / 230 = 5.2A So yes this is good advice, leaving a reasonable tolerance. Yes, mains voltage halogen tend to blow quicker but if they are installed correctly this should not be unreasonable. Buying 240V rated...

yes SWA can simply be burried straight. The exact regs for britain i cant help you with. 0.5m sounds fine.

yes i agree, the disadvantages far outweigh the advantages of using ELV down lighters in domestic installations. As regards MCB 6A is adequate.