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Any undamaged dry mains wire that you have will withstand 4 kV without breaking down. The dielectric strength of PVC is maybe somewhere around 20 kV/mm, so 4 kV would break down at a separation of 0.2 mm. You might not want to touch it though. I’d put it in a good solid bit of pipe...

I don’t know what I would do in your house. Yes?

POST OF THE WEEK!1!!!

I think it would be useful for us to know if their typical bedroom humidity is 50 or 70 or 90%. I recall going into a neighbour’s flat once and was immediately hit by a wall of hot humid air that felt like a botanical hot house - but to them, that was entirely normal. If you asked them, “is...

They say you should never google symptoms when you feel unwell because The Internet will tell you that you’ve got a rare incurable cancer. Go to the doctor who will tell you that it’s the same flu that everyone else has this week. Same applies to asbestos. You’ve “done some research” and now...

Washing machine has a 1600 rpm spin, so it starts drier than from an average machine. Then start drying outside, but hang in bathroom if it’s not fully dry at the end of the day. There’s a huge difference between hanging things straight from the machine in the bathroom, vs. hanging things where...

Work out what goes where and draw us a diagram.

You could do that. I imagine that it comes like that so they can supply the same cable with their 1, 2 and 3-phase versions.

What is that in reply to? A thermostatic mixer shower will work connected to mains cold and combi hot, with no pumps anywhere.

Fan instructions generally include a diagram showing a 3A fuse in the supply. In typical UK installations where the fan is powered from a 6A MCB lighting circuit, this instruction should be ignored. If an FCU is used, it should supply both the perm and switched live to the fan - and hence also...

All fine. Just use the cable.

That suggests that your lifestyle leads to high humidity, but you said: 55% is fine - but do I believe it? So: Do this, and let us know what the actual humidity is. Get the second-cheapest ones then. Don’t expect them to agree exactly, and note they take a while to stabilise when the...

No, they’re not fibre optic; just thin copper wires.

Yeah, mine is basically the same.

The cheap ones are so cheap that in a sense you can’t go wrong. I bought one. I think it would take a fair bit of trial and error to learn how to use it effectively. In particular, it’s not trivial to get it pointing in the right direction or to recognise what you’re looking at. I think that...

Is this a genuine question where you don’t know the answer, or are you looking for sympathetic messages of support? Both are available here, but it helps to know where we stand. You seem to have had a bad week, with this and the damp proofing complaint; sorry about that!

Often cookers have the possibility of being connected to a 3-phase supply, which would require 3 lives, a neutral and an earth. Are you sure yours has 2 lives and 2 neutrals? If so, maybe they’re using the same cable for the 3–phase and the single-phase versions. (Has anyone else ever seen...

Cheap but good-enough water pressure testers like the one in the photo in Madrab's post are available on eBay for under £15. Don't mess around with compressed air.

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Ancient thread!!!!!