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Well I can pretty much agree with that. Just one thing though "Metal framed buildings are not caravans." Yes that`s true, however there might be some merit to considering as if they are for pretty much the same reasons that we treat them to slightly different rules. The decision is then whether...

Don1t be put off for getting shouted down kiddo - Either they were wrong or you were wrong, all of us are capable of being wrong sometimes - to err is human.lad ;)

Hmm, mysterious! I suspect a little poke at me for not answering the question. Well ensure each section is mechanically and electrically joined by robust means so all of them are effectively the same potential throughout its lifetime. Then makke at least one bond to true Earth so it`s all at...

I`ve just had another thought too. Years ago at our local swimming pool I had to replace some shower timers. A push button ("Air Switch") and a length of tubing to an air operated changover switch which then triggered a relay timer to allow the shower to run for a certain preset time once...

Ditto that comment, that is why I added "verified" . (Never Assume anything cos ASSUME can make a ASS of U & ME) :giggle:

Hmm - I would tend to treat it as Caravan-Like as Eric suggests.

You could also consider an opto/infra red transmitter/receiver pair or even build your own or ask a knowledgeable pal to do it. If you are just signalling a bog standard ELV bell system just a length of bellwire and not much digging undergrund to worry about, you could even use just one...

First of all do we know whether or not it is a Ring or a Radial? Secondly, if it is a Ring it would be a Ring Final not a Ring Main. My apologies - the Title does say a Ring! so we will presume that has been verified.

Well count yerself lucky then, once folk get to know me they soon realise that I am a bigger nutter than they thought I was in the first place !!!

If you are competant enough to do this safely then then the following might help (do not worry if you are not competant to do it yourself though just get someone who is, some people are are not competant yet don`t realise it!). Right then, if you are capable and competant to do this safely...

Pretty much agreed. "it does suggest the vacant RCBO is faulty." or slightly more sensitive!

Well it`s up to you at the end of the day but why bother?

There is something to be said about every town having a morse key and one long wire to join the lot and use the earth as a return wire - whatever happened to the Pony Express?

Yes indeed the overcurrent curve type and the RCD type are two different things, with a RCBO there arre two types of "types" so it can confuse some. ;)

Hmm the cable is a bit past its best. (Line and Neutral are BOTH considered as "Live" conductors = conductors that normally carry current as part of their intended function ). We should expect the Reds to be Line and the Blacks to be N if done correctly and the twisted stuff to be E. E should...

I have type AC in my home and do not intend to chage them anytime soon. If I did change them (or if I got a lot more equipment of some substantial and modern electronics) then I might be inclined to change them. I would normally envisage a C3 at most (about eqiv to the old code 4 if a PIR) . I...

If you take as in the pic ending 8788 and take one of those switches and put in back in place upside down then you would have the equivalent of the pic ending 8789. hope that helps

Contra that with virtually no one else in the world uses them. I am, not saying you are wrong I am just wondering why, I do not know the answer and I do want to know it.

That is my thinking too, however I am ready to discover we might not be correct and I still interested in the outcome either way. It might be a "Kickself Question" as Clive Sinclair and that Russian chap (honary life President of MENSA or sommesuch) used to call them, a question so difficult it...

Yes it could be Harry Yet again it could just be that water at the top would be hotter and again water at the bottom would be cooler in the whole tank (The Willis) so the average temp is hotter and the extremes are hotter and cooler in comparison with that new average figure. Certainly an...