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Mind you, I have been known to discover noincommer E connection on PILC where others have actually tested but not gone to the trouble of disconnecting gas and water bonds on the installtion, they were soconvinced the readings they got did not warrant fully disconnecting bonds but my reports...

Yes, sometimes it is "sleeved loosely by a plastic or metallic outer liner and on closer inspection you can envisage it not actually making a good connrction to the outer , a metered test sometimes reveals a quite high resistance value where you might have expected a low value. clearly not...

Well I would rather there is an RCD 30mA or less non-delayed than there isn`t but I still follow the same procedures as back in the days of almost no at all. It gives you another chance than you might need but they can fail they do fail and are not guranteed to save yer live in every instance...

except the cut out and meter ;)

It can sometimes be viewed as much with a quick glance by the untrained eye until a slightly more critical observation is made. Things are not always as obvious as first seen.

I think it was thought to be a possible one of the contributing factors because another factor or three was present such as E to N ins res or reactance or a capacative/inductive affect or something at the same time. As said the change of DP switch completely curred the problem which might have...

Well if it was like that when they were on site they probably should fix it and its probably fair for them to chrge you a small fee but if they were not present when you asked it might mean a visit to verify and correct sothat fee might be more. Fair`s fair.

OK I will accept the word of your eletrician that it should be bonded (is an extraneous-conductive-part) because they should know. Not all pipework is needed to be bonded unless less it is. That might sound strange to some. If bonding is needed it is safer to have it, if it is not needed it is...

Good, how do you know that? Have you verified it?

Is your gas main an extraneous conductive part?

Some of you might recall, a long time ago, I came to a "conclusion" that a particular DP switch (for an immersion heater) might have one side leading/lagging being perhaps one contributing cause of an RCD trip. The problem only occored at switch off if I remember correctly. I am guessing now but...

I think it might be to suit a majority type of thing. If you manufacture for all of Europe and beyond then you are unlikely to cater specifically for the UK and a few more , it makes manufacturing sense to cater for the majority only in such situations whether or not common sense is common or...

Is that up near the ceiling? There is guidance on recommend heights for consumer units. In the past there were some very silly ideas of where to mount a consumer unit. Sometimes the most ridiculous of places and out of sight out of mind seemed to be the order of the day to many folks. I suppose...

Ref artificial intelligence/stupidity, I remember at junior school the teacher said the following - King Charles walked and talked half an hour after his head was cut off. Obviously we were taught that it all depended on where the punctuation was placed so it could make sense or be total not...

There was an article in “Wiring Matters” by the IEE (as it was then called before becoming the IET I think) that a single up front RCD was compliant with the split and divide reg ( I did not quite see it that way myself but there you go!). But it was quite a common practice back then though...

Can I just point out that just because that happens it does not, in itself, prove compliance or safety. There are many things that might not comply or not be considered “safe” that might well work without any discernible problems. Example - you might drive around for years in a car that many...

No you got it wrong way around. Thing is with any name it is up to the named person to decide how their own name be spelt and how it be pronounced too so I an American chooses to do one particular way it is up to them, anyone is allowed to choose what their own name is in many countries...

Well I am certainly in some agreement with you kiddo. If they are selling to the UK market they should stipulate what practices therefore what fuse type or breaker type etc if any and they must state that correctly not just on some whim of an understanding. Otherwise they should not be selling...

It’s just a way of collecting more darter (emphasis on pronouncing the proper British way rather than the American way so many folk do) it is not intelligent is it?

It could depend upon what the 3000 and 1500 numbers actually refer to ???