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That consumer unit is not 25 years old, that would make it 1999. We were on 16th edition regs back then and a few things were different. The whole all metal consumer units thing was 2015, before then, you could get metal but there would be plastic flaps on the front most of the time. BG were not...

I've not heard of that happening with ABS type plastics, but there are cases of it happening with the phenolic type platics with cutout fuse carriers becoming live if its suffered overheating over its life! (rare, but happened enough that its got its own fault refence code on the sheet that the...

Just a normal half round file, Pinch the edge of the return to taper it down to nothing at the end, dress with file, if available, finish with some sandpaper (be careful not to rub the surface and take the galv coating off) finish with a bit of cold galv spray

https://www.bbc.co.uk/news/uk-england-london-55753100

Obviously the other downside to sub metering and charging them yourself, is that the tennents would then have no choice in tarriffs, maybe that wasnt a big issue 10-15 years ago, but now you can have things like agile or tracker which some people can save a significant amount on over standard...

You need to make sure the lights are on an RCD before you start adding sockets to it, provided they are, you'd be well advised to mount the socket out the way and make sure you label it somehting like "CAMERA PSU ONLY - SUPPLIED ON 5A CIRCUIT" You can get a permenent feed off the lives in the...

BG actually do a 1Module compact RCBO that breaks the neutral, but thats not what is shown in the pic https://westbasedirect.com/products/cucrb40dpa?variant=41386457563341 Pic shows CUCRB40A which only breaks line. You need CUCRBDP40A for an evse. Although its missleading I think to refer to...

https://www.cef.co.uk/catalogue/products/4304017-adaptable-box-no-terminals J701 is the term to ask for in the wholesalers, if they are old skool in there they might also understand RB4 as well

An Un-sanded dog kennel?:unsure:

No, only having one end earthed will result in higher loop impedance, which could in some edge cases make some overcurrent devices less likely to operate, if the fault itself has a significant resistance. (Thats a bit of an asside and not really revelant to your question) But not earthing the...

Other than it would be a little awkward to make the busbars work and would probably require a short tail and a connection block. Presented with that arrangement ofincomming conductors and single neutral block. I guess electrically, there would probably be nothing wrong with having a three pole...

When the supplier's metering company fits the two extra meters they will sort how they are going to terminate the neutrals. You electrician will sort out how he's going to terminate the earths when he puts the switch fuses in and completes the rest of the installation. The cutout is owned by...

Went to an infant school for power tripping out in a classroom, turned out to be a portacabin block with RCD main switch board, moved all sorts of clutter and took the boxing in off so I could get board cover off *roll eyes*. Quick global insualtion test with L&N linked on the whole board, very...

As above the generator is probably not earth referenced and the windings floating. Your earth terminal probably only goes to the generator frame. This is fine for running single items (such as a power tool in the middle of a field) and is effectivly an IT system, but is no good for suppling an...

I think the OP may be trying to say that he did his parts I and II over the time in which C&G were changing course numbers around (as they like to do often) and that he ended up with a part one on one system, and a part II on the newer one, and I'm guessing now its possibly caused issues and...

I'm not sure I'm interpretting the original post right, but I'm picturing it that the OP went round with the socket tester and I'D all the sockets on this cirucit and while doing so got three greens, then isolated, removed the socket front and started testing end to ends at the socket (assume...

A NC contactor would not work if you are wanting to disconnect in the event of a phase failure, you might loose the phase/a phase thats powering the coil and it wouldn't be able to energise in a fault situation. Also, Rather than a contactor pulled in all the time, you could consider an MCCB...

I came across some Lupus Midget MCBs a while back. Bit of research online failed to find time/current data, but did find a comment on a John Ward Video of where someone had looked up the patent number on one of the things and found it was filed by a Herbert Werner Wolff in 1957, so I guess...

You have to think how the inbalence is going to occur, in an ungrounded system, its probably not in a first fault situation, so you'll have the RCD not trip, and the system then grounded at a random position with a random impedance, which could mean your polarity is not what you expect it to be...